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FOSTER BERRY W

Overview
  • Total Patents
    22
About

FOSTER BERRY W has a total of 22 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, furniture and games and transport are SOC ET PARTI EAU GAZ ELEC ENER, STELZER FRANK and PARTICIPATIONS EAU SOC ET.

Patent filings in countries

World map showing FOSTER BERRY Ws patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 4

Patent filings per year

Chart showing FOSTER BERRY Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Foster Berry W 22

Latest patents

Publication Filing date Title
US3895620A Engine and gas generator
US3359872A Fluid pressure seal rings
US3331091A Vortex pickup device
US3340854A Two-cycle engine
US3238557A Vortex pickup device
US3155309A Device for producing a periodic linear displacement over a small portion of its cycle
US3143850A Supercharged integral compression engine
US3041010A Air vortex sustained aircraft
US2993639A Vacuum pump
US2985407A Ornithopter
US2975959A Back-to-back centrifugal compressor and centripetal turbine having an integral rotordisc
US2933884A Two-stage gas turbine and centrifugal compressor compounded with a compressed gas generator
US2982087A Integral compressor-engine free-piston gas generators
US2943610A Free piston compressed gas generator
US2938658A Pump
US2928584A Engine compressor
US2974855A Square free piston engine
US2807136A Piston type compressor
CA608147A Engine compressor
CA659950A Two-stage gas turbine and centrifugal compressor compounded with a compressed gas generator