David A. Martinchek

Person

Spencerport, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel cell stack and assembly method of same
- Patent number 10,637,091
- Issue date Apr 28, 2020
- GM Global Technology Operations LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Passive tortuous path drain
- Patent number 10,396,370
- Issue date Aug 27, 2019
- GM Global Technology Operations LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell stack sealing methods, apparatus, and systems
- Patent number 10,297,802
- Issue date May 21, 2019
- GM Global Technology Operations LLC
- David A. Martinchek
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fuel cell stack assembly-compression system
- Patent number 10,270,120
- Issue date Apr 23, 2019
- GM Global Technology Operations LLC
- Martin Heinzmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell stack and assembly method of same
- Patent number 9,997,800
- Issue date Jun 12, 2018
- GM Global Technology Operations LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming channels on diffusion media for a membrane humid...
- Patent number 9,742,014
- Issue date Aug 22, 2017
- GM Global Technology Operations LLC
- Jeffrey M. Guzda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell stack bus bar assembly systems and methods
- Patent number 9,728,790
- Issue date Aug 8, 2017
- GM Global Technology Operations LLC
- David A. Martinchek
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Plate-style water vapor transfer unit with integral headers
- Patent number 9,634,340
- Issue date Apr 25, 2017
- GM Global Technology Operations LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell stack assembly—datum design for fuel cell stacking and co...
- Patent number 9,627,705
- Issue date Apr 18, 2017
- GM Global Technology Operations LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell stack assembly—datum design for fuel cell stacking and co...
- Patent number 9,590,263
- Issue date Mar 7, 2017
- GM Global Technology Operations LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell stack compression system having integrated vehicle mounts
- Patent number 9,225,033
- Issue date Dec 29, 2015
- GM Global Technology Operations LLC
- David A. Martinchek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Discretely supported wet side plates
- Patent number 9,203,097
- Issue date Dec 1, 2015
- GM Global Technology Operations LLC
- David A. Martinchek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for forming channels on diffusion media for a membrane humid...
- Patent number 9,048,468
- Issue date Jun 2, 2015
- GM Global Technology Operations LLC
- Jeffrey M. Guzda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Adjustable air flow bypass in a water vapor transfer assembly to re...
- Patent number 8,580,016
- Issue date Nov 12, 2013
- GM Global Technology Operations LLC
- David A. Martinchek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Water vapor transfer assembly
- Patent number 8,317,907
- Issue date Nov 27, 2012
- GM Global Technology Operations LLC
- David A. Martinchek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
PASSIVE TORTUOUS PATH DRAIN
- Publication number 20180342743
- Publication date Nov 29, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- DAVID A. MARTINCHEK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL STACK AND ASSEMBLY METHOD OF SAME
- Publication number 20180254503
- Publication date Sep 6, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL STACK ASSEMBLY-COMPRESSION SYSTEM
- Publication number 20170207477
- Publication date Jul 20, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Martin HEINZMANN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL STACK ASSEMBLY - DATUM DESIGN FOR FUEL CELL STACKING AND...
- Publication number 20160285124
- Publication date Sep 29, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL STACK ASSEMBLY - DATUM DESIGN FOR FUEL CELL STACKING AND...
- Publication number 20160072145
- Publication date Mar 10, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL STACK AND ASSEMBLY METHOD OF SAME
- Publication number 20160013508
- Publication date Jan 14, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR FORMING CHANNELS ON DIFFUSION MEDIA FOR A MEMBRANE HUMID...
- Publication number 20150221963
- Publication date Aug 6, 2015
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jeffrey M. Guzda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Fuel Cell Stack Bus Bar Assembly Systems and Methods
- Publication number 20150099213
- Publication date Apr 9, 2015
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- DAVID A. MARTINCHEK
- B60 - VEHICLES IN GENERAL
Information Patent Application
FUEL CELL STACK SEALING METHODS, APPARATUS, AND SYSTEMS
- Publication number 20150064598
- Publication date Mar 5, 2015
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- DAVID A. MARTINCHEK
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
FUEL CELL STACK COMPRESSION SYSTEM HAVING INTEGRATED VEHICLE MOUNTS
- Publication number 20140349205
- Publication date Nov 27, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CELL RETENTION DESIGN AND PROCESS
- Publication number 20140272662
- Publication date Sep 18, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jeffrey A. Rock
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLATE-STYLE WATER VAPOR TRANSFER UNIT WITH INTEGRAL HEADERS
- Publication number 20140106244
- Publication date Apr 17, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADJUSTABLE AIR FLOW BYPASS IN A WATER VAPOR TRANSFER ASSEMBLY TO RE...
- Publication number 20130056080
- Publication date Mar 7, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISCRETELY SUPPORTED WET SIDE PLATES
- Publication number 20130022897
- Publication date Jan 24, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David A. Martinchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR FORMING CHANNELS ON DIFFUSION MEDIA FOR A MEMBRANE HUMID...
- Publication number 20120070752
- Publication date Mar 22, 2012
- GM Global Technology Operations, Inc.
- Jeffrey M. Guzda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
WATER VAPOR TRANSFER ASSEMBLY
- Publication number 20110297261
- Publication date Dec 8, 2011
- GM Global Technology Operations, Inc.
- David A. Martinchek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

David A. Martinchek

Person

Patents Grantslast 30 patents

Fuel cell stack and assembly method of same

Passive tortuous path drain

Fuel cell stack sealing methods, apparatus, and systems

Fuel cell stack assembly-compression system

Fuel cell stack and assembly method of same

Method for forming channels on diffusion media for a membrane humid...

Fuel cell stack bus bar assembly systems and methods

Plate-style water vapor transfer unit with integral headers

Fuel cell stack assembly—datum design for fuel cell stacking and co...

Fuel cell stack assembly—datum design for fuel cell stacking and co...

Fuel cell stack compression system having integrated vehicle mounts

Discretely supported wet side plates

Method for forming channels on diffusion media for a membrane humid...

Adjustable air flow bypass in a water vapor transfer assembly to re...

Water vapor transfer assembly

Patents Applicationslast 30 patents

PASSIVE TORTUOUS PATH DRAIN

FUEL CELL STACK AND ASSEMBLY METHOD OF SAME

FUEL CELL STACK ASSEMBLY-COMPRESSION SYSTEM

FUEL CELL STACK ASSEMBLY - DATUM DESIGN FOR FUEL CELL STACKING AND...

FUEL CELL STACK ASSEMBLY - DATUM DESIGN FOR FUEL CELL STACKING AND...

FUEL CELL STACK AND ASSEMBLY METHOD OF SAME

METHOD FOR FORMING CHANNELS ON DIFFUSION MEDIA FOR A MEMBRANE HUMID...

Fuel Cell Stack Bus Bar Assembly Systems and Methods

FUEL CELL STACK SEALING METHODS, APPARATUS, AND SYSTEMS

FUEL CELL STACK COMPRESSION SYSTEM HAVING INTEGRATED VEHICLE MOUNTS

CELL RETENTION DESIGN AND PROCESS

PLATE-STYLE WATER VAPOR TRANSFER UNIT WITH INTEGRAL HEADERS

ADJUSTABLE AIR FLOW BYPASS IN A WATER VAPOR TRANSFER ASSEMBLY TO RE...

DISCRETELY SUPPORTED WET SIDE PLATES

METHOD FOR FORMING CHANNELS ON DIFFUSION MEDIA FOR A MEMBRANE HUMID...

WATER VAPOR TRANSFER ASSEMBLY