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SEYBOLD FREDERICK W

Overview
  • Total Patents
    27
About

SEYBOLD FREDERICK W has a total of 27 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are ROGERS JOHN R, HUGO RAMBAUSEK and THERY PASCAL.

Patent filings in countries

World map showing SEYBOLD FREDERICK Ws patent filings in countries
# Country Total Patents
#1 United States 27

Patent filings per year

Chart showing SEYBOLD FREDERICK Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Seybold Frederick W 27

Latest patents

Publication Filing date Title
US4687427A Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation and oscillating motion
US4455128A Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation and oscillating motion
US4057374A Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation and oscillating motion
US3955541A Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation
US3187600A Mechanical movements
US2997149A Overload release coupling
US2950631A Automatic transmission
US2807967A Automatic transmission
US2811872A Automatic transmission
US2763163A Automatic transmission
US2768537A Automatic transmission
US2701480A Automatic transmission
US2658346A Rotary, turbine-type fluid coupling
US2737828A Automatic transmission
US2737827A Automatic transmission
US2716906A Automatic transmission
US2745296A Transmission
US2627724A Rotary, multiple turbine hydraulic coupling
US2627723A Rotary, multiple turbine hydraulic coupling
US2548272A Transmission