Caterpillar Inc. (P) vs Changzhou Rongkai Muffler Co., Ltd. (D)
Pending
Oppositions
Proceeding Details
Proceeding Number
Filing Date
Mar 12, 2026
Last Status Update
Mar 12, 2026
Interlocutory Attorney
CHARLES HISER
Parties
Plaintiff
Caterpillar Inc.




1150 CONNECTICUT AVENUE, NW, SUITE 600
WASHINGTON, DC 20036
Attorney / Correspondent:
Marks:
CAT
Registered
|Reg #: 6754584|S/N: 88080934
CAT
LIVE - REGISTERED
TrademarkCombinedOwner: Caterpillar Inc.
Status: REGISTERED

Record Details
Serial No.
88080934
Registration No.
6754584
Status
LIVE
Important Dates
Filed
Aug 16, 2018
Registered
Jun 7, 2022
First Use
Mar 1, 2020
Goods & Services
Class 007Class 012
Motors and engines not for land vehicles, namely, boat motors; a full line of machines, machine tools and attachments thereof, motors, engines and generators not for land vehicles, machine coupling and transmission components not for land vehicles for use in agriculture, compaction, construction, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine, material handling, material scrapping, mining, mulching, oil and gas distribution, exploration and production, paving, pipelaying, power generation, road building and repair, site preparation and remediation, waste management, air and space, quarry, aggregate and cement, vegetation management, transportation, and government and defense, namely, asphalt pavers, backhoe loaders, cold planers, compactors, compact track and multi terrain loaders, dozers, draglines, drills, electric rope shovels, excavators, forest machines, hydraulic mining shovels, material handlers, motor graders, pipelayers, road reclaimers, site prep tractors, skidders, skid steer loaders, telehandlers, track loaders, underground hard rock mining machines, underground longwall mining machines, underground room and pillar mining systems, wheel dozers, wheel excavators, wheel loaders, wheel tractor scrapers, log loaders; electricity generators; machines, machine tools and attachments thereof, motors, engines and generators not for land vehicles, machine coupling and transmission components not for land vehicles, namely, articulated trucks in the nature of dump trucks and articulated truck bare chassis, asphalt paving machines, backhoe loaders, cold planers, waste compactors, compact track and multi terrain front end loaders, bulldozers, dragline excavators, drilling machines, electric rope shovels, excavators, forest machines in the nature of timber harvesting machinery, and excavators used for forestry applications, hydraulic mining shovels, material handlers in the nature of trucks configured to allow specific attachments, motor graders, pipelayers, road reclaimers, site prep tractors, skidders in the nature of skid steer loaders, surface mining conveyors being machines, telehandlers, crawler-track loaders, underground hard rock mining machines in the nature of rock flow conveyer systems, underground mining load-haul-dump loaders, underground mining trucks, rock straight conveyor system, longwall mining machines in the nature of armored face material conveyors, plows, roof supports, shearers, room and pillar mining systems consisting of shearers, plow systems, roof supports, conveyor systems, drive systems, and roof support carriers, wheel bulldozers, wheel excavators, wheel loaders, wheel tractor scrapers, log loaders, marine engines, industrial engines, diesel engines for machines; electric, industrial, diesel, gas and natural gas generators and gensets; attachments, namely, augers, brooms, brushcutters, cold planers, flail mowers, grapples, hammers, mulchers, multi-processors, pulverizers, rakes, saws, shears, silage defacers, snow blowers, snow pushes, stump grinders, tillers, all of the foregoing for earth moving, earth conditioning and material handling machines; a full line of machine parts for use in compaction, compressing gas, demolition, earth conditioning, earth contouring, earth moving, forestry, namely, cutting and clearing trees and brush, compaction, demolition, earth conditioning, earth contouring, earth moving, landscaping, lawn care, lifting, marine propulsion, material handling, mining, mulching, paving, pipelaying, powering oil and gas drilling operations, producing power from engines and generators, pumping oil, waste management, air and space, and vegetation management, namely, filters for use in machines for the forementioned; motors and engines except for land vehicles; agricultural implements other than hand-operated, namely, mulchers, rakes, tillers, for use in agriculture, compaction, construction, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine propulsion, material handling, mining, mulching, oil and gas distribution, oil and gas exploration, oil and gas production, paving, pipelaying, power generation, road building and repair, site preparation and remediation, tunnel boring, and vegetation management; oil filters; water separators for use in engines; electric, diesel, and gas generators; current generators; Vehicles and apparatus for locomotion by land, air or water for use in agriculture, compaction, construction, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine, material handling, material scrapping, mining, mulching, oil and gas distribution, exploration and production, paving, pipelaying, power generation, road building and repair, site preparation and remediation, waste management, air and space, quarry, aggregate and cement, vegetation management, transportation, and government and defense, namely, trucks, off-highway trucks, articulated trucks, underground mining trucks, internal combustion fork-lift trucks, electric fork-lift trucks, site prep tractors; vehicles and apparatus for locomotion by land, air or water, namely, trucks, off-highway trucks, articulated trucks, underground mining trucks, internal combustion fork-lift trucks, electric fork-lift trucks, electric pallet movers in the nature of forklift trucks, manual pallet movers in the nature of hand trucks; engines for land vehicles; diesel engines for land vehicles
CAT
Registered
|Reg #: 4804266|S/N: 86976332
CAT
LIVE - REGISTERED
TrademarkCombinedOwner: Caterpillar Inc.
Status: REGISTERED AND RENEWED
Record Details
Serial No.
86976332
Registration No.
4804266
Status
LIVE
Important Dates
Filed
Jun 9, 2014
Registered
Sep 1, 2015
First Use
Jul 13, 1988
Goods & Services
Class 012
Land [ and marine ] vehicles for use in agriculture, compaction, construction, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine propulsion, material handling, mining, mulching, oil and gas distribution, oil and gas exploration, oil and gas production, paving, pipelaying, power generation, road building and repair, site preparation and remediation, tunnel boring, and vegetation management; [ locomotives; railcars; ] engines for land vehicles; brake air compressors for land vehicles and vehicle structural parts and fittings for all of the foregoing goods
CAT
Registered
|Reg #: 8017165|S/N: 97716112
CAT
LIVE - REGISTERED
TrademarkCombinedOwner: Caterpillar Inc.
Status: REGISTERED
Record Details
Serial No.
97716112
Registration No.
8017165
Status
LIVE
Important Dates
Filed
Dec 13, 2022
Registered
Nov 11, 2025
Goods & Services
Class 007Class 009
Protective and safety equipment, namely, eyewear, security cameras, safety cameras, fire extinguishers, safety traffic cones, apparel, namely, protective balaclavas, reflective safety vests, clothing for protection against accidents and fire , protective industrial face masks, headwear and safety helmets, reflective apparel for the prevention of accidents, safety harnesses, other than for vehicles or sports purposes; downloadable and recorded computer software for testing, monitoring, and operating vehicles, engines, equipment, machines, machine tools, and parts therefor, for use in agriculture, compaction, construction, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine propulsion, material handling, mining, mulching, oil and gas distribution, oil and gas exploration, oil and gas production, paving, pipelaying, power generation, road building and repair, site preparation and remediation, tunnel boring, and vegetation management; computer software for database management, statistical analysis, data analysis, predictive analysis, remote monitoring of machinery, and job site office management and planning; electric wires, electric wire harnesses for machines and land vehicles; air fuel/ratio gauges, water temperature gauges, exhaust gas temperature gauges, fuel gauges, pressure gauges, and level gauges; electrical switches; electronic displays, namely, electric luminescent display panels; electrical connectors, electric terminals, and controllers; circuit breakers; fuses; leveling rods; power inverters; electrical parts and fittings for land vehicles, machinery, and equipment, namely, amplifiers for wireless communications, antennas, and batteries; electric relays; radios; antennas; electric cables; electric converters; audio speakers; protective glasses; eyeglasses; sunglasses; mobile phones and tablets computers; solar panels for the production of electricity; batteries for construction, forestry and mining equipment; battery chargers; chargers for electric batteries; electrical cells; photovoltaic cells; battery charging equipment, namely, battery chargers for use with machines and vehicle batteries; charging stations for electric vehicles; Machines and electrically operated machines, for use in agriculture, compaction, construction, government and defense, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine propulsion, material handling, material scrapping, mining, mulching, oil and gas distribution, oil and gas exploration and oil and gas production, namely, asphalt pavers, backhoe loaders, cold planers, compactors, dozers, draglines, drills, electric rope shovels, excavators, forest machines, hydraulic mining shovels, material handlers, motor graders, pipelayers, road reclaimers, skid steer loaders, compact track loaders, telehandlers, track loaders, underground mining loaders, wheel loaders, wheel tractor-scrapers, and parts for all the aforesaid goods; machines and electrically operated machines, for use in quarrying, paving, pipelaying, power generation, road building and repair, site preparation and remediation, transportation, vegetation management, waste management, air and space exploration, namely, asphalt pavers, backhoe loaders, cold planers, compactors, dozers, draglines, drills, electric rope shovels, excavators, forest machines, hydraulic mining shovels, material handlers, motor graders, pipelayers, road reclaimers, skid steer loaders, compact track loaders, telehandlers, track loaders, underground mining loaders, wheel loaders, wheel tractor-scrapers, and parts for all the aforesaid goods; machine tools, power operated tools, namely, drills, hammer drills, hammer drivers, impact drills, impact drivers, multi-tools, saws, grinders, polishers, sanders; motors and engines and electrically operated motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; electricity generators; alternators; electric construction machines, namely, earth excavators, compact wheel loaders, and wheel loaders, and parts for all the aforesaid goods; Repair, installation, servicing, and maintenance of vehicles, engines, equipment and machines for use in agriculture, compaction, construction, government and defense, demolition, earth conditioning, earth contouring, earth moving, forestry, landscaping, lifting, marine propulsion, material handling, material scrapping, mining, mulching, oil and gas distribution, oil and gas exploration and oil and gas production; repair, installation, servicing, and maintenance of vehicles, engines, equipment and machines for use in quarrying, paving, pipelaying, power generation, road building and repair, site preparation and remediation, transportation, vegetation management, waste management, air and space exploration; machinery installation; rental of agricultural, construction, material handling, power generation and marine equipment, namely, machines, and machine tools for use in compaction, construction, government and defense applications, demolition, earth conditioning, earth contouring, earth moving, landscaping, lifting, marine propulsion, material handling, material scrapping, mining, and oil and gas distribution; rental of equipment, namely, machines and machine tools for use in quarrying, paving, pipelaying, road building and repair, and construction site preparation and remediation; remanufacture of vehicles to the order and/or specification of others; vehicle battery charging; charging of electric vehicles; charging of batteries and power storage devices for land vehicles, and rental of equipment therefor; Land vehicles; electric vehicles, namely, trucks, off-highway trucks, articulated trucks, underground mining trucks, electric fork-lift trucks; engines for land vehicles; trucks; fork-lift trucks; dump trucks; tractors; structural parts and structural fittings for all the aforesaid goods; Work lights, namely, portable utility lights
CAT
Registered
|Reg #: 778638|S/N: 72164427
CAT
LIVE - REGISTERED
Service MarkWordOwner: CATERPILLAR INC.
Status: REGISTERED AND RENEWED
Record Details
Serial No.
72164427
Registration No.
0778638
Status
LIVE
Important Dates
Filed
Mar 12, 1963
Registered
Oct 13, 1964
First Use
Jan 1, 1951
Goods & Services
Class 037
Service, Maintenance and Repair of Trucks, Tractors, Engines, Earthmoving Equipment and Control Units Therefor, Generators and Agricultural Equipment
CAT
Registered
|Reg #: 4124548|S/N: 85318073
CAT
LIVE - REGISTERED
TrademarkWordOwner: Caterpillar Inc.
Status: REGISTERED AND RENEWED
Record Details
Serial No.
85318073
Registration No.
4124548
Status
LIVE
Important Dates
Filed
May 11, 2011
Registered
Apr 10, 2012
First Use
Sep 9, 2011
Goods & Services
Class 012
Trucks; vocational trucks for construction, earth moving, agriculture, logging, mining, oil and gas, quarry, paving, transportation, and waste management applications
VS
Defendant
Changzhou Rongkai Muffler Co., Ltd.
770 S WOODRUFF AVE
IDAHO FALLS, ID 83401
Attorney / Correspondent:
Mark:
RKLLCAT
Pending
S/N: 99359434
RKLLCAT
LIVE - PENDING
TrademarkWordOwner: Changzhou Rongkai Muffler Co., Ltd.
Status: OPPOSITION PENDING
Record Details
Serial No.
99359434
Status
LIVE
Important Dates
Filed
Aug 26, 2025
Goods & Services
Class 007
Class 007: Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, and particulate traps; Emission reduction units for motors and engines, namely, catalytic converters; Engine exhaust system comprised of a particulate trap; Exhaust gas treatment systems for diesel engines; Exhaust manifold for engines; Nitrogen oxide traps for exhaust systems being parts of internal combustion engines; Particulate air filters for exhaust systems for internal combustion engines
TTAB Documents
Title | Date | Entry # | Category | Code | Actions |
|---|---|---|---|---|---|
INSTITUTED | Mar 12, 2026 | 3 | Status | 128 | |
NOTICE AND TRIAL DATES SENT; ANSWER DUE: | Mar 12, 2026 | 2 | Scheduling | 707 | |
FILED AND FEE | Mar 12, 2026 | 1 | Fees | 124 |