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James D. Wotherspoon
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Lincolnshire, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Exhaust gas mixing system
Patent number
8,881,712
Issue date
Nov 11, 2014
Perkins Engines Company Limited
Eduardo O. De Almeida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Device and method for retaining a valve bridge
Patent number
7,878,166
Issue date
Feb 1, 2011
Perkins Engines Company Limited
James Dougall Wotherspoon
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Breathing for an internal combustion engine
Patent number
7,841,324
Issue date
Nov 30, 2010
Caterpillar Inc.
Martin W. Dirker
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
COOLANT DELIVERY MATRIX
Publication number
20140261257
Publication date
Sep 18, 2014
Perkins Engines Company Limited
Andrew Morgan Williams
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
EXHAUST GAS MIXING SYSTEM
Publication number
20120090581
Publication date
Apr 19, 2012
PERKINS ENGINES COMPANY LIMITED
Eduardo O. De Almeida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CAMSHAFT SPEED SENSOR TARGET
Publication number
20120024244
Publication date
Feb 2, 2012
James D. Wotherspoon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Push Rod Retainer, Rocker Arm and Method for Retaining Together a P...
Publication number
20110220051
Publication date
Sep 15, 2011
PERKINS ENGINES COMPANY LIMITED
James D. Wotherspoon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Breathing for an internal combustion engine
Publication number
20090145410
Publication date
Jun 11, 2009
Perkins Engines Company Limited.
Martin W. Dirker
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Device and method for retaining a valve bridge
Publication number
20090139477
Publication date
Jun 4, 2009
Caterpillar Inc.
James Dougall Wotherspoon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES