WESTECH ENGINEERING, LLC logo

WESTECH ENGINEERING, LLC

16 Marks
LLC
First Filed:Nov 13, 1951Latest Filed:Aug 20, 2026Address:3665 SOUTH WEST TEMPLE, SALT LAKE CITY, UT 84115

Portfolio Overview

Top Classes

Class 11
HVAC, Lighting & Kitchen Appliances
13(81%)
Class 31
Natural Agricultural Products
3(19%)
Class 40
Material Treatment
1(6%)

TTAB Proceedings

No litigation activity

Top Firms

Loading...

Trademark Activity Timeline(1981 – 2026)

Trademark Portfolio

16 results

(current & previous marks)

Refine by Mark/Description🔽
Filed
Registered
Last Activity
WHEN WATER WORKS
WHEN WATER WORKS
Trademark
Word
PENDING
Owner:
Serial:50062408
Filed:Aug 20, 2026
Classes:11, 40, 42
Description: Class 11: Waste water treatment apparatus; Waste water treatment installations; Water treatment apparatus for use in the purification and treatment of water having one or more undesirable constituents
Class 40: Water treatment services; Treatment of water; Treatment of waste water; Waste water treatment services
Class 42: Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Engineering services in the field of processing facilities and equipment for the purification and treatment of water having one or more undesirable constituents
EVENFLO
EVENFLO
Trademark
Word
REGISTERED
Owner:
Serial:88503569
Filed:Jul 8, 2019
Classes:11
Registration:6201476
Registered:Nov 17, 2020
Description: Components and parts for water treatment apparatuses in the nature of clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water comprising structural parts of water treatment tanks, namely, feed structures for receiving influent of water treatment tanks
LAZERFLO
LAZERFLO
Trademark
Word
REGISTERED
Owner:
Serial:88320209
Filed:Feb 28, 2019
Classes:11
Registration:6014967
Registered:Mar 17, 2020
Description: Filter underdrains and filter underdrain components for filtration systems
WESTECH
WESTECH
Trademark
Word
REGISTERED
Owner:
Serial:86718592
Filed:Aug 7, 2015
Classes:11
Registration:4913701
Registered:Mar 8, 2016
Description: Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water
CONTRAFAST
CONTRAFAST
Trademark
Word
REGISTERED
Owner:
Serial:78208932
Filed:Jan 30, 2003
Classes:1
Registration:3046746
Registered:Jan 17, 2006
Description: Water purification units, namely, lime softening clarifiers
MULTIBLOCK
MULTIBLOCK
Trademark
Word
REGISTERED
Owner:
Serial:76172756
Filed:Nov 29, 2000
Classes:11
Registration:2691480
Registered:Feb 25, 2003
Description: Molded filter underdrain for media filter systems
ADSORPTION CLARIFIER
ADSORPTION CLARIFIER
Trademark
Word
REGISTERED
Owner:
Serial:74176124
Filed:Jun 13, 1991
Classes:11
Registration:1741137
Registered:Dec 22, 1992
Description: Filtering apparatus for use in water treatment plants; "ADSORPTION"
TRI-MITE
TRI-MITE
Trademark
Word
REGISTERED
Owner:
Serial:73748625
Filed:Aug 29, 1988
Classes:11
Registration:1534167
Registered:Apr 11, 1989
Description: SELF-CONTAINED WATER TREATMENT PLANT FOR TREATING DRINKING WATER
AERALATER
AERALATER
Trademark
Word
REGISTERED
Owner:
Serial:73579360
Filed:Jan 24, 1986
Classes:11
Registration:1410370
Registered:Sep 23, 1986
Description: PACKAGED WATER FILTERING PLANTS FOR POTABLE WATER
TRIDENT
TRIDENT
Trademark
Word
REGISTERED
Owner:
Serial:73453456
Filed:Nov 18, 1983
Classes:11
Registration:1301484
Registered:Oct 23, 1984
Description: Self-Contained Water Treatment Plants
AQUARITROL
AQUARITROL
Trademark
Word
REGISTERED
Owner:
Serial:73302075
Filed:Mar 20, 1981
Classes:9
Registration:1190549
Registered:Feb 23, 1982
Description: Control Units for Monitoring Water in Water Treatment Plants and Operating Chemical Feed Equipment in Response to Water Quality Determination
MULTIWASH
MULTIWASH
Trademark
Word
REGISTERED
Owner:
Serial:73179476
Filed:Jul 24, 1978
Classes:11
Registration:1125173
Registered:Sep 18, 1979
Description: WATER FILTRATION APPARATUS FOR COMMERICIAL AND INDUSTRIAL USE
AQUARIUS
AQUARIUS
Trademark
Word
REGISTERED
Owner:
Serial:72411429
Filed:Dec 29, 1971
Classes:11, 31
Registration:0981603
Registered:Apr 2, 1974
Description: WATER TREATMENT APPARATUS FOR THE PRODUCTION OF POTABLE WATER AND INCLUDING FLOCCULATING, SETTLING AND FILTERING APPARATUS FOR COMMUNITY, COMMERCIAL AND INDUSTRIAL USES
CENTROL
CENTROL
Trademark
Stylized
REGISTERED
Owner:
Serial:72250660
Filed:Jul 20, 1966
Classes:11, 31
Registration:0837937
Registered:Oct 31, 1967
Description: WATER FILTRATION EQUIPMENT, COMPRISING A GROUP OF GRAVITY FILTERS ARRANGED AROUND A CONTROL COLUMN
AERALATER
AERALATER
Trademark
Word
REGISTERED
Owner:
Serial:72173449
Filed:Jul 22, 1963
Classes:11, 31
Registration:0766702
Registered:Mar 17, 1964
Description: Unitized or Packaged Plant for the Treatment of Water, Including the Removal of Iron and Odor from the Water
CONTRAFLO
CONTRAFLO
Trademark
Word
REGISTERED
Owner:
Serial:71621143
Filed:Nov 13, 1951
Classes:7, 23
Registration:0599016
Registered:Dec 7, 1954
Description: SLUDGE CLARIFIER COMPRISED OF A TANK CONTAINING A MOTOR-DRIVEN AGITATOR, BAFFLES AND PIPING INTO WHICH A LIQUID CONTAINING SLUDGE IS PASSED AND THE SLUDGE SEPARATED BY SEDIMENTATION FROM THE CLARIFIED EFFLUENT