MASTERFLEX, LLC logo

MASTERFLEX, LLC

20 Marks
LLC
First Filed:Aug 10, 1990Latest Filed:Sep 19, 2025Address:100 Matsonford Road, Building 1, Radnor, PA 19087

Portfolio Overview

Registered
15(75%)
Pending
2(10%)
Dead
3(15%)

Top Classes

Class 17
Rubber, Plastics & Insulation
10(50%)
Class 7
Machinery
9(45%)
Class 9
Electronics, Software & Scientific Equipment
8(40%)

TTAB Proceedings

Total Proceedings
1
As Plaintiff
1(100%)
As Defendant
0(0%)

Top Firms

IPLA, LLP(Sep 2025)
20

Trademark Activity Timeline(1990 – 2025)

Trademark Portfolio

20 results

(current & previous marks)

Refine by Mark/Description🔽
Filed
Registered
Last Activity
MASTERFLEX
MASTERFLEX
Trademark
Word
ITU
PENDING
Owner:
Serial:99402321
Filed:Sep 19, 2025
Classes:7, 9, 17
Goods & Services
Class 007: Fluid pumps for moving liquids and gases; Peristaltic tubing, rotary piston, and gear pumps, pump heads, and pump drives for moving liquids and gases; Pumps for fluid handling, namely, centrifugal pumps, filling pumps, piston pumps, rotary piston pumps, syringe pumps, drum pumps, gear pumps, hose pumps, single-use pumps, quaternary diaphragm pumps, and nutating disc pumps; Component parts for pumps, namely, pump valves, pump filters, pump containers, and fluid transfer assemblies; Pumps for fluid handling, namely, peristaltic, diaphragm, and dispensing metering pumps, positive displacement pumps, peristaltic pumps, roller pumps, diaphragm pumps, and microfluidic pumps; Component parts for pumps, namely, pump heads, pump drives, fittings, connectors, and gaskets; Fluid transfer assemblies, being parts of machines or fluid workflows, namely, tubing, connectors, and clamps; Component parts for peristaltic pumps, namely, pump heads and pump drives in the pharmaceutical and biotech industries; Mixing machines; Aseptic mixing machines; Machine used for process filtration in the pharmaceutical industry; Fluid transfer assemblies, being parts of machines or fluid workflows, namely, manifolds; Class 009: Laboratory equipment for scientific research purposes, namely, pumps and tubing therefor for moving liquids and gases; Laboratory equipment for scientific research purposes, namely, pumps, tubing, and tubing cassettes, tubing pumps, rotary piston pumps and gear pumps therefor for moving liquids and gases, and replacement parts therefor; Auxiliary equipment for the automatic operation of laboratory equipment and laboratory process equipment, namely, computer software and hardware for the control, measurement, monitoring, and evaluation of laboratory measuring instruments; Downloadable computer software for mobile phones and mobile computing devices, namely, software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment from a remote location; Downloadable computer software for mobile phones and mobile computing devices, namely, software for accessing, storing, retrieving, and measuring data; Downloadable cloud-based software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment; Downloadable cloud-based software for accessing, storing, and retrieving measurement data; Laboratory equipment, namely, filters, containers, gas sensors, pressure sensors, flow controllers, and sampling containers; Fluid transfer assemblies for laboratory use namely, filters and containers; Laboratory equipment, namely, tubing, tubing connectors, clamps, flowmeters, and fluid leak detectors and sensors; Bioreactors for laboratory use; Centrifuge tubes for laboratory use; Laboratory storage tubes; Disposable single use laboratory articles, namely, plates, columns, cuvettes, pipette tips, test tubes, storage tubes, sample storage vessels, bottles and containers all the forgoing for use with laboratory equipment; Environmental sample containers made of glass; Filters for laboratory use; Flow meters; Fluid handling devices, namely, single-use bag systems comprised of disposable bags and tubing used for disposable bioprocessing applications and parts and fittings therefor; Laboratory equipment, namely, sterile single-use specimen sample tubes, sample bags, pillow bags for fluid recovery, and tank liners in the nature of disposable bags that are used to line the inside of laboratory vessels in the nature of tanks; Laboratory equipment, namely, single-use bottles, flasks, end caps, connectors and assemblies therefor all for use with laboratory apparatus; Laboratory equipment, namely, single-use systems primarily comprised of tubing, hoses, molded components, closures, seals and stoppers; Laboratory equipment, namely, bottle manifolds; Laboratory equipment for processing biopharmaceuticals, namely, a tangential flow filtration system comprising a pump and tangential flow filter; Plastic laboratory centrifuge tubes for collection and transport of non-biological scientific specimens; Plastic medical centrifuge tubes for collection and transport of blood; Scientific and test laboratory apparatus and supplies, namely, waste bags and waste containers for disposal of hazardous laboratory waste, not for medical purposes; Scientific laboratory apparatus, namely, a solid phase extraction system comprising a manifold and an extraction disk holder; Scientific laboratory filters, namely, disposable syringe filters not for medical use; Scientific laboratory equipment, namely, plates, tubes, films, and cap mats for holding or storing chemical and biological specimens, samples and reagents for scientific, laboratory or medical research use; Sterile and non-sterile sample handlers for laboratory use, namely, laboratory scoops, spoons, tongs, spatulas, ladles, scrapers and knives; Laboratory filters; Class 017: Flexible tubing for use with fluid pumps for moving liquids and gases; Flexible tubing of rubber, thermoplastic elastomers, and plastic for use with fluid pumps for moving liquids and gases; Non-metal hoses for use with fluid pumps for moving liquids and gases; Flexible non-metal tubing for use with fluid pumps for moving liquids and gases; High purity fluid transfer and sampling products for use in the biotechnology, pharmaceutical, chemical and food industries, namely, non-metal hoses in the nature of smooth bore hoses; Flexible plastic and silicone tubing used for transport of liquids for use in the biotechnology, pharmaceutical, chemical and food industries; Non-metal tubing and tubing couplings for joining and terminating pipes
QUALISIL
QUALISIL
Trademark
Word
REGISTERED
Owner:
Serial:98122106
Filed:Aug 8, 2023
Classes:17
Registration:7591404
Registered:Dec 3, 2024
Goods & Services
Flexible silicone platinum cured material tubing for use with peristaltic pumps for moving liquids and gases in the pharmaceutical and biotech industries
PURI-PRENE
PURI-PRENE
Trademark
Word
ITU
PENDING
Owner:
Serial:98098245
Filed:Jul 24, 2023
Classes:17
Goods & Services
Thermoplastic elastomer tubing for use with fluid pumps for moving liquids and gases
MASTERFLEX ULTRAPHARM
REGISTERED
Owner:
Serial:97602328
Filed:Sep 22, 2022
Classes:7
Registration:7415105
Registered:Jun 11, 2024
Goods & Services
Component parts for peristaltic pumps, namely, pump heads and pump drives in the pharmaceutical and biotech industries
MASTERSENSE
MASTERSENSE
Trademark
Word
REGISTERED
Owner:
Serial:88939361
Filed:May 29, 2020
Classes:9
Registration:7151245
Registered:Aug 29, 2023
Goods & Services
Laboratory equipment, namely, air bubble, conductivity, dissolved oxygen, flow, fluid leak, mass, pH, pressure, temperature, and weight detectors and sensors for use with positive displacement and metering pumps; Laboratory equipment, namely, electronic controllers for use with positive displacement and metering pumps; Weighing equipment, namely, balances and scales
MASTERSENSE
MASTERSENSE
Trademark
Word
REGISTERED
Owner:
Serial:88984386
Filed:May 29, 2020
Classes:7
Registration:6860051
Registered:Sep 27, 2022
Goods & Services
Component parts of positive displacement and metering pumps, namely, pump drives, calibration columns, connectors, fittings, gaskets, and valves
PURI-FLEX
PURI-FLEX
Trademark
Word
REGISTERED
Owner:
Serial:88918417
Filed:May 15, 2020
Classes:17
Registration:6195321
Registered:Nov 10, 2020
Goods & Services
Flexible thermoplastic elastomer tubing for use in connection with peristaltic pumps in the biopharmaceutical and biotech industries
ULTRAPHARM
ULTRAPHARM
Trademark
Word
ABANDONED
Owner:
Serial:88883248
Filed:Apr 22, 2020
Classes:7
PURI-SIL
PURI-SIL
Trademark
Word
REGISTERED
Owner:
Serial:88859604
Filed:Apr 3, 2020
Classes:17
Registration:6680184
Registered:Mar 22, 2022
Goods & Services
Flexible silicone platinum cured material tubing for use with peristaltic pumps for moving liquids and gases in the pharmaceutical and biotech industries
QUALISIL
QUALISIL
Trademark
Word
ABANDONED
Owner:
Serial:88859607
Filed:Apr 3, 2020
Classes:17
PURI-CLEAR
PURI-CLEAR
Trademark
Word
REGISTERED
Owner:
Serial:88845598
Filed:Mar 24, 2020
Classes:17
Registration:6680175
Registered:Mar 22, 2022
Goods & Services
Thermoplastic polyvinyl chloride (PVC) tubing for use with fluid pumps for moving liquids and gases
PURI-PRENE
PURI-PRENE
Trademark
Word
ABANDONED
Owner:
Serial:88845516
Filed:Mar 24, 2020
Classes:17
MASTERFLEX
MASTERFLEX
Trademark
Word
REGISTERED
Owner:
Serial:88377670
Filed:Apr 9, 2019
Classes:7
Registration:6889923
Registered:Nov 1, 2022
Goods & Services
Pumps for fluid handling, namely, centrifugal pumps, filling pumps, piston pumps, rotary piston pumps, syringe pumps, drum pumps, gear pumps, hose pumps, single-use pumps, quaternary diaphragm pumps, and nutating disc pumps; Component parts for pumps, namely, pump valves, pump filters, pump containers, and fluid transfer assemblies | Laboratory equipment, namely, filters, containers, gas sensors, pressure sensors, flow controllers, and sampling containers; Fluid transfer assemblies for laboratory use, namely, filters and containers | Non-metal hoses for use with fluid pumps for moving liquids and gases
MASTERFLEX
MASTERFLEX
Trademark
Word
REGISTERED
Owner:
Serial:88377687
Filed:Apr 9, 2019
Classes:7, 9, 17, +1
Registration:6056439
Registered:May 19, 2020
Goods & Services
Laboratory equipment, namely, tubing, tubing connectors, clamps, flowmeters, and fluid leak detectors and sensors; Rigid non-metal tubing for use with fluid pumps for moving liquids and gases; Pumps for fluid handling, namely, peristaltic, diaphragm, and dispensing metering pumps, positive displacement pumps, peristaltic pumps, roller pumps, diaphragm pumps, and microfluidic pumps; Component parts for pumps, namely, pump heads, pump drives, fittings, connectors, and gaskets; Fluid transfer assemblies, being parts of machines or fluid workflows, namely, tubing, connectors, and clamps; Flexible non-metal tubing for use with fluid pumps for moving liquids and gases
MASTERFLEXLIVE
MASTERFLEXLIVE
Trademark
Word
REGISTERED
Owner:
Serial:88225473
Filed:Dec 11, 2018
Classes:9, 42
Registration:5812110
Registered:Jul 23, 2019
Goods & Services
Downloadable computer software for mobile phones and mobile computing devices, namely, software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment from a remote location; Downloadable computer software for mobile phones and mobile computing devices, namely, software for accessing, storing, retrieving, and measuring data; Downloadable cloud-based software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment; Downloadable cloud-based software for accessing, storing, and retrieving measurement data; Providing a website featuring technology that allows users to control, measure, monitor, and evaluate laboratory measuring instruments and laboratory equipment from a remote location; Providing a website featuring technology that allows users to access, store, and retrieve measurement data; Providing on-line non-downloadable software for controlling, measuring, monitoring, and evaluating laboratory measuring instruments and laboratory equipment; Providing on-line non-downloadable software for accessing, storing, and retrieving measurement data
MASTERFLEXLIVE
MASTERFLEXLIVE
Trademark
Word
REGISTERED
Owner:
Serial:87884221
Filed:Apr 19, 2018
Classes:7, 9, 17, +1
Registration:6136777
Registered:Aug 25, 2020
Goods & Services
Peristaltic tubing, rotary piston, and gear pumps, pump heads, and pump drives for moving liquids and gases | Laboratory equipment for scientific research purposes, namely, pumps, tubing, and tubing cassettes, tubing pumps, rotary piston pumps and gear pumps therefor for moving liquids and gases, and replacement parts therefor; Auxiliary equipment for the automatic operation of laboratory equipment and laboratory process equipment, namely, computer software and hardware for the control, measurement, monitoring, and evaluation of laboratory measuring instruments | Flexible tubing of rubber, thermoplastic elastomers, and plastic for use with fluid pumps for moving liquids and gases | Providing online and cloud-based non-downloadable software for users to monitor laboratory equipment and to store and share critical data from such laboratory equipment
CYTOFLOW
CYTOFLOW
Trademark
Word
REGISTERED
Owner:
Serial:87438845
Filed:May 5, 2017
Classes:9
Registration:5476972
Registered:May 22, 2018
Goods & Services
Pump heads for fluid pumps for moving liquids and gases for laboratory use
MINIFLEX
MINIFLEX
Trademark
Word
REGISTERED
Owner:
Serial:86068249
Filed:Sep 18, 2013
Classes:7
Registration:4577562
Registered:Jul 29, 2014
Goods & Services
Peristaltic fluid pumps for moving liquids for use in industry | Peristaltic fluid pumps for moving liquids for laboratory use
ISMATEC
ISMATEC
Trademark
Word
REGISTERED
Owner:
Serial:85710924
Filed:Aug 23, 2012
Classes:9
Registration:4301453
Registered:Mar 12, 2013
Goods & Services
Scientific instruments, apparatus and installations for chemical and biochemical analysis namely, tubing and tubing cassettes, tubing pumps, rotary piston pumps and gear pumps for pumping and dispensing, and parts therefor; auxiliary equipment for the automatic operation of such installations, namely, computer software and hardware for the control, measurement and evaluation of laboratory measuring instruments
RAPID-LOAD
RAPID-LOAD
Trademark
Word
REGISTERED
Owner:
Serial:74086648
Filed:Aug 10, 1990
Classes:7, 9
Registration:1735566
Registered:Nov 24, 1992
Goods & Services
fluid pumps and pump heads for moving liquids and gases for laboratory use; fluid pumps and pump heads for moving liquids and gases for production

Cookie Preferences

We use cookies (including Google Analytics) to improve our site and understand how visitors use it.