P

Inventor

ABD ELHAMID MAHMOUD H

US88 patents
⚠️ This page may combine multiple inventors who share the name “ABD ELHAMID MAHMOUD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECH OPERATIONS INC

17 patents
US9252411B2Feb 2, 2016

Multifunction battery separator

GM GLOBAL TECH OPERATIONS INC50 citations94
US8956785B2Feb 17, 2015

Amorphous carbon coatings for fuel cell bipolar plates

GM GLOBAL TECH OPERATIONS INC17 citations92
US7625654B2Dec 1, 2009

Ultra-low loadings of Au for stainless steel bipolar plates

GM GLOBAL TECH OPERATIONS INC40 citations92
US9249931B2Feb 2, 2016

Fluid storage tank

GM GLOBAL TECH OPERATIONS INC16 citations84
US9249933B2Feb 2, 2016

Fluid storage tank

GM GLOBAL TECH OPERATIONS INC9 citations84
US7687175B2Mar 30, 2010

Hybrid bipolar plate assembly and devices incorporating same

GM GLOBAL TECH OPERATIONS INC16 citations84
US7709145B2May 4, 2010

Hydrophilic surface modification of bipolar plate

GM GLOBAL TECH OPERATIONS INC6 citations74
US9328868B2May 3, 2016

Method of increasing storage capacity of natural gas tank

GM GLOBAL TECH OPERATIONS INC5 citations73
US7955754B2Jun 7, 2011

Enhanced stability bipolar plate

GM GLOBAL TECH OPERATIONS INC2 citations63
US7803476B2Sep 28, 2010

Electrical contact element for a fuel cell having a conductive monoatomic layer coating

GM GLOBAL TECH OPERATIONS INC4 citations63
US7749631B2Jul 6, 2010

Fuel cell separator plate coating

GM GLOBAL TECH OPERATIONS INC4 citations63
US7700212B2Apr 20, 2010

Bipolar plate with enhanced stability

GM GLOBAL TECH OPERATIONS INC3 citations63
US7641998B2Jan 5, 2010

Conductive mono atomic layer coatings for fuel cell bipolar plates

GM GLOBAL TECH OPERATIONS INC1 citations63
US7632592B2Dec 15, 2009

Method of fabricating corrosion-resistant bipolar plate

GM GLOBAL TECH OPERATIONS INC6 citations63
US9281703B2Mar 8, 2016

Cost-effective reliable method to depower rechargeable electric batteries

GM GLOBAL TECH OPERATIONS INC2 citations62
US7550222B2Jun 23, 2009

Fuel cell component having a durable conductive and hydrophilic coating

GM GLOBAL TECH OPERATIONS INC6 citations60
US9385379B2Jul 5, 2016

Removal of non-conductive hydrophilic coatings from lands of fuel cell bipolar plates

GM GLOBAL TECH OPERATIONS INC0 citations52

GM GLOBAL TECH OPERATIONS LLC

12 patents
US10714756B2Jul 14, 2020

Metal deposition methods for forming bimetallic structures, batteries incorporating bipolar current collectors made therefrom, and applications thereof

GM GLOBAL TECH OPERATIONS LLC15 citations86
US9878611B1Jan 30, 2018

Vehicle with natural gas storage array

GM GLOBAL TECH OPERATIONS LLC14 citations84
US9869281B2Jan 16, 2018

Bi-fuel vehicle

GM GLOBAL TECH OPERATIONS LLC16 citations84
US10665913B2May 26, 2020

Thermal propagation mitigation for HV battery modules

GM GLOBAL TECH OPERATIONS LLC7 citations82
US9987705B2Jun 5, 2018

Resistance spot welding of steel to pre-coated aluminum

GM GLOBAL TECH OPERATIONS LLC3 citations73
US9874311B2Jan 23, 2018

Composite pressure vessel having a third generation advanced high strength steel (AHSS) filament reinforcement

GM GLOBAL TECH OPERATIONS LLC5 citations73
US9746134B2Aug 29, 2017

Method of storing and using natural gas in a vehicle

GM GLOBAL TECH OPERATIONS LLC2 citations73
US10018307B2Jul 10, 2018

Thermal management system for a natural gas tank

GM GLOBAL TECH OPERATIONS LLC3 citations71
US10054267B2Aug 21, 2018

Pressure vessel array

GM GLOBAL TECH OPERATIONS LLC4 citations70
US9624851B2Apr 18, 2017

Method of operating a vehicle powertrain having a gas phase fuelable engine

GM GLOBAL TECH OPERATIONS LLC3 citations67
US10337671B2Jul 2, 2019

Innovative thermal management approaches of conformable tanks

GM GLOBAL TECH OPERATIONS LLC1 citations62
US9431665B2Aug 30, 2016

Selectively coated bipolar plates for water management and freeze start in PEM fuel cells

GM GLOBAL TECH OPERATIONS LLC0 citations52

GEN MOTORS CORP

6 patents

ABD ELHAMID MAHMOUD H

6 patents

DADHEECH GAYATRI VYAS

4 patents

MIKHAIL YOUSSEF M

1 patent

PHLEGM HERMAN K

1 patent

ANDREAS-SCHOTT BENNO

1 patent

BALOGH MICHAEL P

1 patent

ZHONG FENG

1 patent

Showing the top 50 of 88 patents by PatentIndex Score.