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KOKEN WALTER F

Overview
  • Total Patents
    27
About

KOKEN WALTER F has a total of 27 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States. Its main competitors in its focus markets furniture and games, engines, pumps and turbines and medical technology are LA Z BOY CHAIR CO, EMIL J PAIDAR COMPANY and STANZWERK WETTER SICHELSCHMIDT GMBH & CO KG.

Patent filings in countries

World map showing KOKEN WALTER Fs patent filings in countries
# Country Total Patents
#1 United States 27

Patent filings per year

Chart showing KOKEN WALTER Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koken Walter F 27
#2 Pichl Anton J 6
#3 Richards Hedley J 1

Latest patents

Publication Filing date Title
US1977314A Luminous tube sign or advertising device
US1977313A Hair drier
US1899040A Physician's chair
US1843564A Barber chair
US1604357A Electric switch
US1582280A Barber's chair
US1534790A Hydroelectric barber chair
US1534272A Foot-rest-operating mechanism for reclining chairs
US1564000A Hair dresser's and barber's chair
US1534270A Barber's chair
US1534271A Electrically-operated barber chair
US1437060A Jointed reclining bar for adjustable chairs
US1425325A Reclining-bar clamp for barbers' chairs
US1361387A Sheet-metal back for barber-chairs
US1364882A Barber's chair
US1334038A Child's hair-cutting chair
US1337608A Pedestal-base for barber-chairs
US1337609A Seat-frame for barber-chairs
US1161225A Valve mechanism for internal-combustion engines.
US1161224A Valve mechanism for internal-combustion engines.