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Rae Hartwell
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Surrey, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Enclosed fuel cell stack row
Patent number
12,249,746
Issue date
Mar 11, 2025
cellcentric GmbH & Co. KG
Rae Hartwell
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enclosed fuel cell stack row
Patent number
11,984,631
Issue date
May 14, 2024
cellcentric GmbH & Co. KG
Rae Hartwell
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell stacks with increased natural frequency
Patent number
9,876,249
Issue date
Jan 23, 2018
Daimler AG
Jochen Sang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Systems, apparatus and methods for isolating, compressing and/or re...
Patent number
6,862,801
Issue date
Mar 8, 2005
Ballard Power Systems Inc.
Graham Edward Hill
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Integral door knob assembly with spring return
Patent number
5,316,355
Issue date
May 31, 1994
Masco Corporation of Indiana
Rae Hartwell
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
ENCLOSED FUEL CELL STACK ROW
Publication number
20240258548
Publication date
Aug 1, 2024
CELLCENTRIC GMBH & CO. KG
Rae Hartwell
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMPROVED ENCLOSED FUEL CELL STACK ROW
Publication number
20210234185
Publication date
Jul 29, 2021
Daimler AG
Rae Hartwell
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STACKS WITH INCREASED NATURAL FREQUENCY
Publication number
20160240881
Publication date
Aug 18, 2016
Daimler AG
Jochen Sang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DEVICE FOR ASSEMBLING A BANDED FUEL CELL STACK
Publication number
20080271311
Publication date
Nov 6, 2008
Graham E. Hill
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DEVICE FOR ASSEMBLING A BANDED FUEL CELL STACK
Publication number
20070196719
Publication date
Aug 23, 2007
Graham E. Hill
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electrically balanced fluid manifold assembly for an electrochemica...
Publication number
20060141327
Publication date
Jun 29, 2006
Rae Hartwell
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Device for assembling a banded fuel cell stack
Publication number
20060006155
Publication date
Jan 12, 2006
Graham E. Hill
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Systems, apparatus and methods for isolating, compressing and/or re...
Publication number
20030104260
Publication date
Jun 5, 2003
Ballard Power Systems Inc.
Graham Edward Hill
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...