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WILLIAMS JOHN D

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    233,161
About

WILLIAMS JOHN D has a total of 15 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, audio-visual technology and electrical machinery and energy are NEOCONIX INC, HURWITZ DROR and CLAYTON JAMES E.

Patent filings in countries

World map showing WILLIAMS JOHN Ds patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 1

Patent filings per year

Chart showing WILLIAMS JOHN Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams John D 15
#2 Robert Bolton Jack 1
#3 Lindquist Robert 1
#4 Louis Struve Felix 1
#5 Kamali-Sarvestani Reza 1

Latest patents

Publication Filing date Title
US9722566B1 Systems and methods for tuning resonators
US8922301B1 High quality-factor resonator
US2007020960A1 Contact grid array system
US2007054515A1 Method for fabricating a contact grid array
US2084931A Deep sea rod pistol grip
US1853888A Apparatus for pickling
US1781798A Roll heater
US1711915A Auxiliary scrap shears
US1650857A Oil derrick
US1688219A Machine for piling sheets, plates, and the like
US1689656A Roll polisher
US1749457A Means for grinding or polishing rolls
US1457478A Lemon and lime squeezer
US1121439A Guard for ice-cream freezers.
CA271041A Machine for piling sheets, plates and the like