SKINNER RALPH L innovation strategy

Patent filings in countries

#	Technology
#1	Cyclically operating valves
#2	Lubricating of machines
#3	Internal-combustion piston engines
#4	Cylinders for combustion engines
#5	Separation
#6	Cooling of machines
#7	Unspecified technologies
#8	Supplying combustion engines
#9	Shafts
#10	Measuring length, angles and areas

#	Name	Total Patents
#1	Skinner Ralph L	19

Publication	Filing date	Title
US2768034A	1953-02-19	Mechanical bearing
US2592829A	1948-05-21	Variable compression system for internal-combustion engines
US2639703A	1948-05-15	Oil control means for poppet valve internal-combustion engines
US2641241A	1948-04-17	Oil-control means for slide valve internal-combustion engines
US2368787A	1943-06-30	Intake air-filter cleaning system
US2354150A	1941-09-13	Cleanable filter
US2074972A	1935-12-23	Internal-combustion engine cylinder-head construction
US1800481A	1930-05-19	Internal-combustion engine
US1830136A	1929-07-10	Internal-combustion engine
US1800480A	1929-03-09	Internal-combustion engine
US1800479A	1929-02-06	Internal-combustion-engine construction
US1435561A	1920-11-01	Lubricant trap
US1415060A	1919-12-08	Internal-combustion-engine attachment
US1487759A	1919-09-18	Vehicle wheel gauge
CA305093A	None	Internal combustion engine
CA218851A	None	Vehicle wheel gauge
CA494545A	None	Variable compression system for internal-combustion engines