SHEPHERD FRANK D innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	23
#2	Canada	1

#	Industry
#1	Engines, pumps and turbines
#2	Machines
#3	Electrical machinery and energy
#4	Environmental technology
#5	Thermal processes
#6	Transport

#	Technology
#1	Cyclically operating valves
#2	Internal-combustion piston engines
#3	Unspecified technologies
#4	Steam turbines
#5	Solid fuel combustion
#6	Electric discharge tubes
#7	Machines for liquids
#8	Supplying combustion engines
#9	Climate change mitigation in transportation
#10	Aeroplanes

#	Name	Total Patents
#1	Shepherd Frank D	24

Publication	Filing date	Title
US1558933A	1922-02-14	Internal-combustion engine
US1559997A	1921-07-22	Two-cycle multicylinder internal-combustion engine
US1418479A	1920-01-30	Poppet-valve mechanism for internal-combustion engines
US1474795A	1920-01-19	Internal-combustion engine
US1474794A	1920-01-08	Internal-combustion engine
US1557785A	1919-12-01	Internal-combustion engine
US1431698A	1919-11-18	Flying machine
US1331826A	1919-08-27	Puppet-valve for internal-combustion engines
US1440937A	1919-05-10	Poppet valve for internal-combustion engines
US1329809A	1918-02-07	Puppet-valve
US1263133A	1917-10-20	Puppet-valve for internal-combustion engines.
US1252501A	1917-05-21	Puppet-valve for internal-combustion engines.
US1240378A	1917-02-08	Puppet-valve for internal-combustion engines.
US1258480A	1917-02-08	Puppet-valve for internal-combustion engines.
US1262398A	1916-12-22	Valve and head for internal-combustion engines.
US1236991A	1916-10-16	Puppet-valve for internal-combustion engines.
US1261632A	1916-05-04	Gas-engine valve.
US843237A	1906-03-31	Steam-turbine.
US811748A	1904-03-18	Smokeless furnace.
US755062A	1903-08-11	Steam-turbine.