Ivan D. Chapman

Person

Rochester, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tunnel cross section for more uniformed contact pressure distributi...
- Patent number 10,547,064
- Issue date Jan 28, 2020
- GM Global Technology Operations LLC
- Siguang Xu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Seal contact pressure uniformity by inserting connection at bead co...
- Patent number 10,522,847
- Issue date Dec 31, 2019
- GM Global Technology Operations LLC
- Liang Xi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reduction of pressure variation with stamped embossment at bead nei...
- Patent number 10,211,473
- Issue date Feb 19, 2019
- GM Global Technology Operations LLC
- Xi Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Unsymmetric compact metal seal beads for fuel cell stack
- Patent number 10,153,499
- Issue date Dec 11, 2018
- GM Global Technology Operations LLC
- Siguang Xu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aligning method for repeating and non-repeating units in a fuel cel...
- Patent number 8,795,921
- Issue date Aug 5, 2014
- GM Global Technology Operations LLC
- Jeffrey A. Rock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fluid flow pulsing for increased stability in PEM fuel cell
- Patent number 8,778,551
- Issue date Jul 15, 2014
- GM Global Technology Operations LLC
- Ivan Daryl Chapman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Plate for a fuel cell assembly
- Patent number 7,820,335
- Issue date Oct 26, 2010
- GM Global Technology Operations, Inc.
- Michael K. Budinski
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Aligning method for repeating and non-repeating units in a fuel cel...
- Patent number 7,794,890
- Issue date Sep 14, 2010
- GM Global Technology Operations, Inc.
- Jeffrey A. Rock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
REDUCTION OF PRESSURE VARIATION WITH STAMPED EMBOSSMENT AT BEAD NEI...
- Publication number 20180145353
- Publication date May 24, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- XI YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL BEAD WITH STAMPED COMPRESSION LIMITER
- Publication number 20180123141
- Publication date May 3, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Liang Xi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEAL CONTACT PRESSURE UNIFORMITY BY INSERTING CONNECTION AT BEAD CO...
- Publication number 20180123142
- Publication date May 3, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Liang Xi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Design Of Tunnel Cross Section For More Uniformed Contact Pressure...
- Publication number 20180097242
- Publication date Apr 5, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- SIGUANG XU
- B60 - VEHICLES IN GENERAL
Information Patent Application
UNSYMMETRIC COMPACT METAL SEAL BEADS FOR FUEL CELL STACK
- Publication number 20170084929
- Publication date Mar 23, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Siguang Xu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL WITH IMPROVED REACTANT DISTRIBUTION
- Publication number 20160049668
- Publication date Feb 18, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- PINKHAS A. RAPAPORT
- B60 - VEHICLES IN GENERAL
Information Patent Application
Aligning Method For Repeating And Non-Repeating Units In A Fuel Cel...
- Publication number 20100279195
- Publication date Nov 4, 2010
- Jeffrey A. Rock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PLATE FOR A FUEL CELL ASSEMBLY
- Publication number 20090053563
- Publication date Feb 26, 2009
- Michael K. Budinski
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Use of Hydrophilic Treatment in a Water Vapor Transfer Device
- Publication number 20080241632
- Publication date Oct 2, 2008
- GM Global Technology Operations, Inc.
- Ivan D. Chapman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Non-functional fuel cell for fuel cell stack
- Publication number 20080152957
- Publication date Jun 26, 2008
- GM Global Technology Operations, Inc.
- Ronald L. James
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
FLUID FLOW PULSING FOR INCREASED STABILITY IN PEM FUEL CELL
- Publication number 20080118793
- Publication date May 22, 2008
- Ivan Daryl Chapman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Aligning method for repeating and non-repeating units in a fuel cel...
- Publication number 20060051651
- Publication date Mar 9, 2006
- Jeffrey A. Rock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fluid flow pulsing for increased stability in PEM fuel cell
- Publication number 20050260463
- Publication date Nov 24, 2005
- Ivan Daryl Chapman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Ivan D. Chapman

Person

Patents Grantslast 30 patents

Tunnel cross section for more uniformed contact pressure distributi...

Seal contact pressure uniformity by inserting connection at bead co...

Reduction of pressure variation with stamped embossment at bead nei...

Unsymmetric compact metal seal beads for fuel cell stack

Aligning method for repeating and non-repeating units in a fuel cel...

Fluid flow pulsing for increased stability in PEM fuel cell

Plate for a fuel cell assembly

Aligning method for repeating and non-repeating units in a fuel cel...

Patents Applicationslast 30 patents

REDUCTION OF PRESSURE VARIATION WITH STAMPED EMBOSSMENT AT BEAD NEI...

METAL BEAD WITH STAMPED COMPRESSION LIMITER

SEAL CONTACT PRESSURE UNIFORMITY BY INSERTING CONNECTION AT BEAD CO...

Design Of Tunnel Cross Section For More Uniformed Contact Pressure...

UNSYMMETRIC COMPACT METAL SEAL BEADS FOR FUEL CELL STACK

FUEL CELL WITH IMPROVED REACTANT DISTRIBUTION

Aligning Method For Repeating And Non-Repeating Units In A Fuel Cel...

PLATE FOR A FUEL CELL ASSEMBLY

Use of Hydrophilic Treatment in a Water Vapor Transfer Device

Non-functional fuel cell for fuel cell stack

FLUID FLOW PULSING FOR INCREASED STABILITY IN PEM FUEL CELL

Aligning method for repeating and non-repeating units in a fuel cel...

Fluid flow pulsing for increased stability in PEM fuel cell