Membership
Tour
Register
Log in
John R. Pierce
Follow
Person
Huntington Woods, MI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Variable tail pipe valve system
Patent number
10,280,824
Issue date
May 7, 2019
GM Global Technology Operations LLC
Glenn Pietila
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Composition and process for treating metal surfaces
Patent number
6,899,770
Issue date
May 31, 2005
Henkel Corporation
Bruce H. Goodreau
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Composition and method for degreasing metal surfaces
Patent number
6,328,816
Issue date
Dec 11, 2001
Henkel Corporation
Lawrence R. Carlson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition and method for cleaning/degreasing metal surfaces, espe...
Patent number
6,251,847
Issue date
Jun 26, 2001
Henkel Corporation
John R. Pierce
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition and method for deburring/degreasing/cleaning metal surf...
Patent number
6,211,132
Issue date
Apr 3, 2001
Henkel Corporation
John R Pierce
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition and process for forming a solid adherent protective coa...
Patent number
5,948,178
Issue date
Sep 7, 1999
Henkel Corporation
Shawn E. Dolan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Aqueous compositions containing polyphenol copolymers and processes...
Patent number
5,891,952
Issue date
Apr 6, 1999
Henkel Corporation
David R. McCormick
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Secondary protective treatments for metal surfaces
Patent number
5,401,337
Issue date
Mar 28, 1995
Henkel Corporation
Lawrence R. Carlson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Polyphenol compounds and treatment and after-treatment of metal, pl...
Patent number
5,298,289
Issue date
Mar 29, 1994
Henkel Corporation
Andreas Lindert
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Treatment and after-treatment of metal with polyphenol compounds
Patent number
5,266,410
Issue date
Nov 30, 1993
Henkel Corporation
Andreas Lindert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metal treatment
Patent number
5,226,976
Issue date
Jul 13, 1993
Henkel Corporation
Lawrence R. Carlson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Polyphenolic compounds and uses thereof
Patent number
5,116,912
Issue date
May 26, 1992
Henkel Corporation
Andreas Lindert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carbodohydrate-modifed polyphenol compounds and compositions contai...
Patent number
5,068,299
Issue date
Nov 26, 1991
Henkel Corporation
Andreas Lindert
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hydroxylamine or amine oxide containing polyphenolic compounds and...
Patent number
5,063,089
Issue date
Nov 5, 1991
Henkel Corporation
Andreas Lindert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treatment and after-treatment of metal with polyphenol compounds
Patent number
5,039,770
Issue date
Aug 13, 1991
Henkel Corporation
Andreas Lindert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treatment and after-treatment of metal with amine oxide-containing...
Patent number
4,970,264
Issue date
Nov 13, 1990
Henkel Corporation
Andreas Lindert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treatment and after-treatment of metal with carbohydrate-modified p...
Patent number
4,963,596
Issue date
Oct 16, 1990
Henkel Corporation
Andreas Lindert
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
VARIABLE TAIL PIPE VALVE SYSTEM
Publication number
20180258825
Publication date
Sep 13, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Glenn Pietila
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES