Learn more

CLEVELAND PNEUMATIC TOOL CO

Overview
  • Total Patents
    349
About

CLEVELAND PNEUMATIC TOOL CO has a total of 349 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, machines and machine tools are KIRK WING COMPANY, REED PROPELLER CO INC and MC DONNELL DOUGLAS HELICOPTER.

Patent filings in countries

World map showing CLEVELAND PNEUMATIC TOOL COs patent filings in countries
# Country Total Patents
#1 United States 253
#2 Canada 37
#3 United Kingdom 25
#4 France 19
#5 Germany 15

Patent filings per year

Chart showing CLEVELAND PNEUMATIC TOOL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wallace John F 34
#2 Sittert Paul Van 31
#3 Greve Louis W 23
#4 Lear Earl B 17
#5 Hogan Walter H 17
#6 Richards Charles B 15
#7 De Mooy John 14
#8 Hartel Erwin H 14
#9 Hoffar Henry S 11
#10 Speth Lloyd G 10

Latest patents

Publication Filing date Title
US3652040A Landing gear shock strut
GB1253988A Landing gear shock strut
US3557834A Rotation damper and actuator
US3524468A Safety ventilation valve
US3456558A Tracer guide
US3489295A Draft gear for railroad car
US3462024A Draft gear
US3086733A Retractable landing gear
US2960288A Retractable landing gear
DE1113141B Retractable landing gear for aircraft
FR1183484A Aircraft retractable landing gear
GB866921A Retractable landing gear for aircraft
FR1172126A Improvements to steering mechanisms
FR1171409A Advanced multi-stage hydraulic elastic device
DE1112904B Fluid spring for the landing gear of an airplane
DE1047027B Steering device for an aircraft chassis
GB812589A Improvements in or relating to steering mechanism
DE1095057B Fluid pen
GB803984A Improvements in or relating to liquid spring
FR1159446A Advanced steering mechanism for aircraft