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CLEVELAND PNEUMATIC IND INC

Overview
  • Total Patents
    136
About

CLEVELAND PNEUMATIC IND INC has a total of 136 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets transport, mechanical elements and machines are MENASCO MFG COMPANY, FLUGZEUGWERKE DRESDEN VEB and JEAN MESSIER GEORGE LOUIS RENE.

Patent filings in countries

World map showing CLEVELAND PNEUMATIC IND INCs patent filings in countries
# Country Total Patents
#1 United States 109
#2 United Kingdom 11
#3 France 8
#4 Germany 5
#5 Spain 1
#6 Greece 1
#7 Sweden 1

Patent filings per year

Chart showing CLEVELAND PNEUMATIC IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Westcott Jr William B 23
#2 Hartel Erwin H 19
#3 Hogan Walter H 15
#4 Wallace Hamilton 10
#5 Smith Ira D 7
#6 Baker Charles H 5
#7 Jack Lovell 5
#8 Hannigan Joseph E 4
#9 Westcott William B 4
#10 Olson Raymond G 2

Latest patents

Publication Filing date Title
US3200581A Method, system and apparatus for starting a fluid engine
US3174276A Fluid-engine piston and cylinder arrangement
US3180081A Speed control apparatus for a fluid-type engine
US3216190A Fluid engine compensator device
US3203234A Aircraft weight and center of gravity determination system
US3165172A Seal for piston and cylinder devices
US3138918A Fluid engine having a pressurized crankcase
US3151533A Aircraft steering system
US3099424A Aircraft steering system control
US3109404A Marine fenders
US3133717A Aircraft landing gear
GB895032A A sealing device for providing a fluid tight seal between two relatively movable co-axial members
GB899838A Aircraft landing gear
GB932731A Aircraft landing gear
US3062485A Aircraft landing gear for use on catapult aircraft
GB899111A Landing gears on aircraft
GB873255A Improvements in or relating to anchors
US2984478A Spring using a compressible solid
US3073586A Aircraft landing gear
US3038687A Retractable landing gear