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EVERETT WILHELM S

Overview
  • Total Patents
    27
About

EVERETT WILHELM S has a total of 27 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets engines, pumps and turbines, machines and environmental technology are HECKETHORN MFG, HAYASHI TOSHIOMI and CASSEL THOMAS RICHARD.

Patent filings in countries

World map showing EVERETT WILHELM Ss patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 9
#3 Germany 2

Patent filings per year

Chart showing EVERETT WILHELM Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Everett Wilhelm S 25
#2 Richards John F 3
#3 S Everett Wilhelm 2

Latest patents

Publication Filing date Title
US4442858A Surge chamber
US4172692A Pumping plant fly wheel hydraulic surge protector
US4129196A Fluid acoustic silencer
DE1801445A1 Sound absorbing filter device
US3353496A Combined fluid pump and pulsation dampener
US3292661A Fluid surge dampener
US3137316A Fluid pulsation dampener
US2990907A Acoustic filter
US3019818A Surge dissipating apparatus
US2993559A Fluid surge alleviator
US3005349A Dynamic ratio control apparatus
US2811931A Timed surge neutralizer
US2841386A Magnetostrictive accelerometer device
US2819775A Vibration absorber
US2814250A Adjustable shock and vibration mount
US2260834A Mixer
CA654477A Acoustic filter
CA676934A Sound silencing and filtering apparatus
CA737258A Fluid pulsation dampener
CA853473A Fluid pulsation dampener with thimble