PREST O LITE CO INC innovation strategy

Patent filings in countries

#	Industry
#1	Electrical machinery and energy
#2	Environmental technology
#3	Basic materials chemistry
#4	Machines
#5	Machine tools
#6	Engines, pumps and turbines
#7	Civil engineering
#8	Packaging and shipping
#9	Furniture and games

#	Technology
#1	Batteries
#2	Reduction of greenhouse gas emissions
#3	Acetylene production
#4	Fuels
#5	Unspecified technologies
#6	Fire-fighting
#7	Soldering, welding and flame cutting
#8	Starting of combustion engines
#9	Office furniture
#10	Transport or storage devices

Publication	Filing date	Title
US2393280A	1944-03-24	Fluid pressure reducer
US2278521A	1939-11-18	Apparatus for producing acetylene and lime hydrate
US2233109A	1938-11-18	Apparatus for producing gas and a dry residue by the reaction of a solid and a liquid
US2277879A	1938-10-12	Apparatus for controlling the level of finely divided material within containers
US2263658A	1938-09-16	Automatic control system for acetylene generators
US2200523A	1938-09-08	Gas detector
US2256407A	1938-06-29	Conveying apparatus for gas generators
US2272979A	1938-04-08	Acetylene generation
US2242571A	1937-09-16	Acetylene generator
US2189762A	1937-08-27	Apparatus for dry generation of acetylene
GB483601A	1937-02-27	Process and apparatus for producing acetylene and lime hydrate
US2233108A	1936-10-01	Method of producing gas and a dry residue by the reaction of a solid and a liquid
US2204184A	1936-03-27	Process for producing acetylene and lime hydrate
US2136075A	1936-01-18	Gas delivery apparatus
US2290915A	1935-02-21	Gas generation
US2012803A	1933-03-14	Cabinet for cylinders of fuel gas
US1955679A	1931-04-29	Hydraulic flash arrester
US1971013A	1930-12-16	Valve
US1991548A	1930-09-30	Gas pumping system
US1880649A	1930-07-07	Soldering iron