BLUHM CHARLES A innovation strategy

Patent filings in countries

#	Industry
#1	Transport
#2	Machines
#3	Thermal processes
#4	Mechanical elements
#5	Electrical machinery and energy
#6	Materials and metallurgy
#7	Consumer goods

#	Technology
#1	Power supply for electric vehicles
#2	Electrical vehicle propulsion
#3	Vehicle suspension arrangements
#4	Unspecified technologies
#5	Burners
#6	Building materials
#7	Venting or aerating devices
#8	Springs
#9	Footwear features
#10	Portable lighting devices

#	Name	Total Patents
#1	Bluhm Charles A	22

Publication	Filing date	Title
US1920055A	1932-07-27	Shock absorber
US1799082A	1928-03-17	Vehicle spring
US1602328A	1925-07-10	Shock absorber for vehicles
US1546164A	1924-05-13	Shock absorber for vehicles
US1427716A	1920-12-21	Train-pipe coupling
CA157115A	1914-05-26	Pipe coupling
US1095789A	1913-11-14	Pipe-coupling.
CA137025A	1911-09-02	Third rail
CA147583A	1910-09-30	Trolley
CA134429A	1910-09-30	Third rail
US985388A	1909-06-09	Third rail.
GB190912253A	1909-05-24	Improvements in and relating to Trollies or Collectors for Electricity.
GB190912254A	1909-05-24	Improvements in and relating to Third Rails for Electric Traction Systems.
US960066A	1909-03-03	Third rail.
US1020794A	1909-03-03	Trolley.
CA118290A	1908-07-06	Trolley
CA118240A	1908-07-06	Third rail
US859868A	1906-02-27	Third rail.
US859867A	1906-02-27	Trolley.
US748471A	1903-05-13	Incandescent gas-burner.