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QUADREX-HPS, INC.
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CAMPBELL, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process and apparatus for removing PCB's from electrical apparatus
Patent number
4,913,178
Issue date
Apr 3, 1990
Quadrex HPS Inc.
David E. Fowler
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Two stage vapor recovery system
Patent number
4,878,931
Issue date
Nov 7, 1989
Quadrex HPS Inc.
David C. H. Grant
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Decontamination apparatus for chemically and/or radioactively conta...
Patent number
4,865,061
Issue date
Sep 12, 1989
Quadrex HPS, Inc.
David E. Fowler
B08 - CLEANING
Information
Patent Grant
Method of removing toxic agents for trichlorotrifluoroethane
Patent number
4,842,746
Issue date
Jun 27, 1989
Quadrex HPS Inc.
David E. Fowler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of and apparatus for cleaning garments and soft goods contam...
Patent number
4,797,128
Issue date
Jan 10, 1989
Quadrex HPS, Inc.
David E. Fowler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Apparatus for removing PCB's from electrical apparatus
Patent number
4,790,337
Issue date
Dec 13, 1988
Quadrex HPS Inc.
David E. Fowler
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for cleaning garments and soft goods contaminated with nu...
Patent number
4,781,041
Issue date
Nov 1, 1988
Quadrex HPS, Inc.
David E. Fowler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for removing PCB's from electrical apparatus
Patent number
4,685,972
Issue date
Aug 11, 1987
Quadrex HPS, Inc.
David E. Fowler
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Tool decontamination apparatus
Patent number
4,630,625
Issue date
Dec 23, 1986
Quadrex HPS, Inc.
Joseph A. Capella
B08 - CLEANING
Information
Patent Grant
Pipe and hose decontamination apparatus
Patent number
4,503,577
Issue date
Mar 12, 1985
Quadrex HPS, Inc.
David E. Fowler
B08 - CLEANING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73739996 - SHEAR STRESS
Serial number
73739996
Registration number
1525265
Filing date
Jul 15, 1988
QUADREX HPS, INC.
7 - Machines and machine tools
Information
Trademark
73604393 - SHEAR STRESS
Serial number
73604393
Registration number
1441791
Filing date
Jun 16, 1986
QUADREX HPS, INC.
7 - Machines and machine tools
Information
Trademark
73587988 - TRANSFORM
Serial number
73587988
Registration number
1431724
Filing date
Mar 14, 1986
QUADREX HPS, INC.
7 - Machines and machine tools
Information
Trademark
73583002 - TRANSFORM
Serial number
73583002
Registration number
1431723
Filing date
Feb 18, 1986
QUADREX HPS, INC.
7 - Machines and machine tools
Information
Trademark
73487445 - QUADCOTE
Serial number
73487445
Registration number
1373269
Filing date
Jun 28, 1984
QUADREX-HPS, INC.
3 - Bleaching preparations and other substances for laundry use