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KNOX WILLIAM J

Overview
  • Total Patents
    21
About

KNOX WILLIAM J has a total of 21 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, furniture and games and machines are RUBIK STUDIO, NELSON JOHN H and BRADLEY MILTON CO.

Patent filings in countries

World map showing KNOX WILLIAM Js patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 4

Patent filings per year

Chart showing KNOX WILLIAM Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knox William J 21
#2 Harrison Frederick J 3
#3 Thompson Stanley G 1
#4 Brown Jasper Calvin 1

Latest patents

Publication Filing date Title
US2009236243A1 Digital media system for floral arrangements and related method
US2938768A Method of separating pu from metathesized bipo4 carrier
US2083270A Marking device for shoe parts and the like
US1953810A Game apparatus
US1906865A Table
US1670511A Marking device for shoe parts and the like
US1536798A Valve-chest construction for steam engines
US1513399A Six-wheel truck
US1448275A Pin lifter for car couplings
US1356925A Locomotive-throttle-valve device
US1336636A Drop stake-loop
US1387852A Side bearing for railway-cars
US1209455A Brake ratchet mechanism.
CA166042A Brake ratchet mechanism
US1116712A Brake ratchet mechanism.
US1154324A Tank-car.
US1173357A Arm-rest.
US741145A Car-truck.
CA78788A Forming the lining of converters and furnaces
CA75446A Method of treating copper ores