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CHRISTENSEN AIR BRAKE COMPANY

Overview
  • Total Patents
    30
About

CHRISTENSEN AIR BRAKE COMPANY has a total of 30 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Canada, France and United Kingdom. Its main competitors in its focus markets mechanical elements, transport and engines, pumps and turbines are GIRLING LTD, KNORR BREMSE Systeme für Nutzfahrzeuge GmbH and IRASCHKO JOHANN.

Patent filings in countries

World map showing CHRISTENSEN AIR BRAKE COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 France 9
#3 United Kingdom 7
#4 Germany 2
#5 United States 2

Patent filings per year

Chart showing CHRISTENSEN AIR BRAKE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Christensen Niels A 9
#2 Neale Fred 1
#3 Fred Neale 1
#4 Brings John J 1

Latest patents

Publication Filing date Title
GB294488A Improvements in cylinders
GB285793A Improvements in and relating to piston packings
GB287796A Improvements in compressed air systems
US1716027A Automatic valve mechanism for straight and automatic air brake systems
US1761309A Motor cylinder
GB279609A Improvements in straight and automatic airbrake systems
GB280001A Improvements in brake mechanism
GB280334A Improvements in brake mechanism for vehicles
GB270153A Improvements in air compressors for motor vehicles
CA286841A Compressor control apparatus
CA272681A Air-brake mechanism
CA272683A Brake control valve
CA272682A Compressor governor
CA272684A Air brake mechanism
CA271953A Vehicle brake
CA276820A Automotive compressor
CA269406A Sealing valve
CA271952A Vehicle brake
CA289990A Piston sealing device