ARMSTRONG WHITWORTH SECURITIES innovation strategy

Patent filings in countries

#	Industry
#1	Engines, pumps and turbines
#2	Measurement

#	Technology
#1	Internal-combustion piston engines
#2	Measuring force, work and fluid pressure

Publication	Filing date	Title
US2206632A	1939-02-14	Two-stroke cycle internal combustion engine
US2123569A	1937-01-11	Two-stroke internal combustion engine
US2144065A	1936-09-04	Internal combustion engine
US2130721A	1936-06-08	Two-stroke internal combustion engine
US2131959A	1936-06-08	Timing of the inlet and exhaust orifices of two-stroke internal combustion engines
US2119166A	1936-06-01	Pressure indicator
US2198730A	1936-06-01	Exhaust passage of two-stroke internal combustion engines
DE745198C	1936-05-08	Pressure display device for internal combustion engines
DE671340C	1935-10-20	Two-stroke internal combustion engine
CA385378A	None	Two stroke engine
CA363413A	None	Internal combustion engine
CA385377A	None	Two stroke engine
CA377053A	None	Pressure indicator
CA397878A	None	Two-stroke cycle engine
CA379947A	None	Two stroke engine exhaust passage
CA385376A	None	Two stroke engine