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Christopher John GREENWOOD
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Llansantffraid, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Infinitely-variable transmission for a vehicle
Patent number
9,568,083
Issue date
Feb 14, 2017
Torotrak (Development) Ltd.
Philip Winter
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Energy recovery system for a vehicle driveline
Patent number
9,102,223
Issue date
Aug 11, 2015
Torotrak (Development) Limited
Christopher John Greenwood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Arrangements for driving and steering of motor vehicles
Patent number
8,919,464
Issue date
Dec 30, 2014
MTD Products Inc
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Drive mechanism for infinitely variable transmission
Patent number
8,771,133
Issue date
Jul 8, 2014
Torotrak (Development) Limited
Christopher J. Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Driving and steering of motor vehicles
Patent number
8,695,734
Issue date
Apr 15, 2014
MTD Products Inc
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Continuously variable transmission
Patent number
8,393,990
Issue date
Mar 12, 2013
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously variable toroidal transmission
Patent number
8,292,772
Issue date
Oct 23, 2012
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Driving and steering of motor vehicles
Patent number
8,157,030
Issue date
Apr 17, 2012
MTD Products Inc
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Steering systems, steering and speed coordination systems, and asso...
Patent number
7,992,659
Issue date
Aug 9, 2011
Infinitrak, LLC
Axel Schaedler
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Drive mechanism for infinitely variable transmission
Patent number
7,955,210
Issue date
Jun 7, 2011
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously variable transmissions
Patent number
7,632,208
Issue date
Dec 15, 2009
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously variable ratio transmission system
Patent number
7,530,916
Issue date
May 12, 2009
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fluid supply arrangement for a rolling-traction continuously variab...
Patent number
7,491,149
Issue date
Feb 17, 2009
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously variable ratio transmission system
Patent number
7,407,459
Issue date
Aug 5, 2008
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydraulic control circuit for a variator
Patent number
7,318,786
Issue date
Jan 15, 2008
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bearing support for infinitely-variable-ratio transmission output d...
Patent number
6,666,791
Issue date
Dec 23, 2003
Torotrak (Development) Limited
Christopher J. Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydraulic control circuit for a continuously-variable-transmission
Patent number
6,626,793
Issue date
Sep 30, 2003
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Drive mechanism for infinitely variable transmission
Patent number
6,312,356
Issue date
Nov 6, 2001
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously-variable-ratio transmission of the toroidal-race-rolli...
Patent number
6,071,209
Issue date
Jun 6, 2000
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Position servo systems
Patent number
6,066,067
Issue date
May 23, 2000
Torotrak Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variator control system
Patent number
6,030,310
Issue date
Feb 29, 2000
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Roller assembly
Patent number
5,971,885
Issue date
Oct 26, 1999
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
CVT Control System
Patent number
5,938,557
Issue date
Aug 17, 1999
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously-variable-ratios transmissions
Patent number
5,895,337
Issue date
Apr 20, 1999
Torotrak (Development) Limited
Thomas George Fellows
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of controlling vehicular drivelines including a continuously...
Patent number
5,820,513
Issue date
Oct 13, 1998
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously variable transmission capable of torque control
Patent number
5,766,105
Issue date
Jun 16, 1998
Torotrak (Development) Limited
Thomas George Fellows
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously-variable-ratio transmissions
Patent number
5,643,121
Issue date
Jul 1, 1997
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control systems for drivelines including continuously-variable-rati...
Patent number
5,521,819
Issue date
May 28, 1996
British Technology Group Limited
Christopher J. Greenwood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmissions of the toroidal-race rolling-traction type
Patent number
5,395,292
Issue date
Mar 7, 1995
Torotrak (Development) Limited
Thomas G. Fellows
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Toroidal-race rolling-traction type transmission
Patent number
5,338,268
Issue date
Aug 16, 1994
Torotrak (Development) Limited
Christopher J. Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Arrangements for Driving and Steering Of Motor Vehicles
Publication number
20150353131
Publication date
Dec 10, 2015
MTD Products Inc
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
INFINITELY-VARIABLE TRANSMISSION FOR A VEHICLE
Publication number
20150219194
Publication date
Aug 6, 2015
TOROTRAK (DEVELOPMENT) LTD
Philip Winter
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CONTINUOUSLY VARIABLE TRANSMISSION
Publication number
20130296096
Publication date
Nov 7, 2013
Christopher John GREENWOOD
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
DRIVE MECHANISM FOR INFINITELY VARIABLE TRANSMISSION
Publication number
20130045831
Publication date
Feb 21, 2013
TOROTRAK (DEVELOPMENT) LIMITED
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Driving and Steering of Motor Vehicles
Publication number
20120298429
Publication date
Nov 29, 2012
MTD Products Inc
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Drive Mechanism for Infinitely Variable Transmission
Publication number
20110300989
Publication date
Dec 8, 2011
Toro-Trak (Development) Limited
Christopher J. Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
ENERGY RECOVERY SYSTEM FOR A VEHICLE DRIVELINE
Publication number
20110256972
Publication date
Oct 20, 2011
Christopher John Greenwood
B60 - VEHICLES IN GENERAL
Information
Patent Application
STEERING SYSTEMS, STEERING AND SPEED COORDINATION SYSTEMS, AND ASSO...
Publication number
20110248462
Publication date
Oct 13, 2011
INFINITRAK, LLC
Axel Schaedler
B60 - VEHICLES IN GENERAL
Information
Patent Application
Arrangements for Driving and Steering of Motor Vehicles
Publication number
20110053731
Publication date
Mar 3, 2011
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
CONTINUOUSLY VARIABLE TRANSMISSION
Publication number
20100282020
Publication date
Nov 11, 2010
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CVT CONTROL SYSTEM
Publication number
20100140034
Publication date
Jun 10, 2010
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Driving and Steering of Motor Vehicles
Publication number
20090178862
Publication date
Jul 16, 2009
Christopher John Greenwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Drive Mechanism for Infinitely Variable Transmission
Publication number
20080269001
Publication date
Oct 30, 2008
TOROTRAK (DEVELOPMENT) LIMITED
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Continously Variable Toroidal Transmission
Publication number
20080153659
Publication date
Jun 26, 2008
TOROTRAK (DEVELOPMENT) LIMITED
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Continuously variable ratio transmission system
Publication number
20070042856
Publication date
Feb 22, 2007
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Continuously variable ratio transmission system
Publication number
20060142110
Publication date
Jun 29, 2006
Torotrak (Development) Limited
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Fluid supply arrangement for a rolling-traction continuously variab...
Publication number
20050143216
Publication date
Jun 30, 2005
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Contiunously variable transmissions
Publication number
20050009664
Publication date
Jan 13, 2005
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Hydraulic control circuit for a variator
Publication number
20040171456
Publication date
Sep 2, 2004
Christopher John Greenwood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...