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ACKERMAN BLAESSER FEZZEY INC

Overview
  • Total Patents
    26
About

ACKERMAN BLAESSER FEZZEY INC has a total of 26 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States and Germany. Its main competitors in its focus markets civil engineering, machines and mechanical elements are DOERKEN & MANKEL KG, NAKAO SEISAKUSHO KK and JEBRON LTD.

Patent filings in countries

World map showing ACKERMAN BLAESSER FEZZEY INCs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Germany 1

Patent filings per year

Chart showing ACKERMAN BLAESSER FEZZEY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ackerman Edward L 22
#2 Zwierzina Alois J 12
#3 Crump Albert V 3
#4 John Sneed 1
#5 Moore John J 1

Latest patents

Publication Filing date Title
US2364181A Power-operated window regulator
US2356642A Electrically operated window regulator
US2373085A Power-operated window regulator
US2291275A Mounting plate for window regulator mechanisms
US2212220A Window regulator
US2193657A Window regulator
US2170440A Sash operating mechanism
US2174814A Method of forming helical gears
DE637723C hinge
US2001758A Clutch mechanism
US1943359A Sash operating mechanism
US1939245A Window regulator
US1867643A Clutch mechanism
US1925785A Window regulator
US1874215A Clutch mechanism
US1907028A Window regulating mechanism
US1927790A Sash operating device
US1939158A Window regulator
US1943358A Window regulator
US1770449A Clutch device