CURTIS CHARLES G innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	37
#2	Canada	5

#	Industry
#1	Engines, pumps and turbines
#2	Machines
#3	Thermal processes
#4	Mechanical elements
#5	Electrical machinery and energy

#	Technology
#1	Internal-combustion piston engines
#2	Non-positive-displacement pumps
#3	Unspecified technologies
#4	Steam turbines
#5	Cyclically operating valves
#6	Steam engine plants
#7	Steam generation
#8	Gearing
#9	Electrically-conductive connections
#10	Spraying devices

Publication	Filing date	Title
US2376233A	1943-11-26	Internal-combustion engine
US2367565A	1943-06-17	Two-cycle internal-combustion engine
US2347465A	1942-11-05	Two-cycle gas engine
US2184093A	1937-04-03	Double-acting two-cycle diesel engine
US2035222A	1936-01-09	Poppet valve gear for internal combustion or other engines
US2126376A	1935-02-01	Two-cycle diesel engine
US1919829A	1931-10-01	Two-cycle internal combustion engine
US1921607A	1931-06-23	Trunk piston for diesel engines
US1858002A	1930-07-02	Two cycle engine
US1855791A	1929-07-29	Two-cycle internal combustion engine
US1780175A	1928-03-17	Two-cycle internal-combustion engine
US1734459A	1927-03-26	Two-cycle internal-combustion engine
US1777827A	1927-03-15	Two-cycle internal-combustion engine
US1211682A	1914-03-19	Steam-turbine.
US1078838A	1912-03-27	Steam prime mover for marine propulsion.
US1106497A	1911-12-15	Elastic-fluid turbine.
US1071887A	1911-12-14	Elastic-fluid turbine.
US1027698A	1911-05-15	Marine steam-turbine.
US1008532A	1911-05-15	Prime mover for marine propulsion.
US1008529A	1910-11-19	Marine steam-turbine.