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Roger Charles Chapman
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Farnham, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Coupling device
Patent number
11,965,489
Issue date
Apr 23, 2024
KINETROL LIMITED
Roger Charles Chapman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Spring return device
Patent number
10,267,294
Issue date
Apr 23, 2019
KINETROL LIMITED
Roger Charles Chapman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Rotary vane actuator and vane assembly
Patent number
10,100,641
Issue date
Oct 16, 2018
KINETROL LIMITED
Roger Charles Chapman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary vane actuators
Patent number
9,085,978
Issue date
Jul 21, 2015
KINETROL LIMITED
Roger Charles Chapman
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Positioning rotary actuators
Patent number
6,725,975
Issue date
Apr 27, 2004
Kinetrol Limited
Roger C. Chapman
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Valve accessory
Patent number
6,708,720
Issue date
Mar 23, 2004
Kinetrol Limited
Roger C. Chapman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
COUPLING DEVICE
Publication number
20220412324
Publication date
Dec 29, 2022
KINETROL LIMITED
Roger Charles CHAPMAN
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
ROTARY VANE ACTUATOR AND VANE ASSEMBLY
Publication number
20180135623
Publication date
May 17, 2018
Kinetrol Limited
Roger Charles CHAPMAN
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SPRING RETURN DEVICE
Publication number
20170002798
Publication date
Jan 5, 2017
KINETROL LIMITED
Roger Charles CHAPMAN
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
Rotary Vane Actuators
Publication number
20120137873
Publication date
Jun 7, 2012
Roger Charles Chapman
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve accessory
Publication number
20030075704
Publication date
Apr 24, 2003
Roger C. Chapman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Positioning rotary actuators
Publication number
20030026034
Publication date
Feb 6, 2003
Roger C. Chapman
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL