DOMESTIC ENGINEERING COMPANY innovation strategy

Patent filings in countries

#	Industry
#1	Engines, pumps and turbines
#2	Electrical machinery and energy
#3	Measurement
#4	Environmental technology

#	Technology
#1	Cyclically operating valves
#2	Internal-combustion piston engines
#3	Analysing materials
#4	Supplying combustion engines
#5	Cylinders for combustion engines
#6	Starting of combustion engines
#7	Electric motor controls
#8	Climate change mitigation in transportation
#9	Circuits for supplying electric power
#10	Lubricating of machines

Publication	Filing date	Title
US2324777A	1941-08-18	Mailing piece
GB138091A	1920-01-20	Improvements in starting systems for internal combustion engines
GB137301A	1919-12-29	Improvements relating to internal combustion engines
GB125386A	1919-04-04	Improvements in Regulating Means for Electric Generating Sets.
GB137522A	1919-04-04	Improvements in electric power systems
GB138110A	1919-03-20	Improvements in valve-gear for internal combustion engines
GB125061A	1919-03-20	Improvements in Valve and Ignition Gears for Internal Combustion Engines.
GB124744A	1919-03-20	Improvements in Liquid Fuel Supply and Carburetting Devices for Internal Combustion Engines.
GB122186A	1919-01-02	Improvements relating to Valves or other Parts Exposed to Heat and to the Cooling thereof.
GB122171A	1918-12-18	Improvements in Cooling Devices for Valves and other Devices.
GB118595A	1918-05-22	Improvements in and relating to Battery Charge Indicating Devices.
GB113442A	1918-02-05	Improvements in Internal Combustion Engines.
GB109786A	1917-06-01	Improvements in Oiling System for Internal Combustion Engines.
US1331649A	1917-02-05	Ventilating system
US1271140A	1916-09-13	Oiling system.
DE393958C	None	Cooling for valves or other parts of engines u. like