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JOHN WILLIAMS

Overview
  • Total Patents
    56
About

JOHN WILLIAMS has a total of 56 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, United Kingdom and Australia. Its main competitors in its focus markets mechanical elements, civil engineering and machines are KING JAYSON, MUSKEGON PISTON RING CO INC and WELLWORTHY PISTON RINGS LTD.

Patent filings in countries

World map showing JOHN WILLIAMSs patent filings in countries
# Country Total Patents
#1 United States 21
#2 United Kingdom 16
#3 Australia 15
#4 Germany 2
#5 China 1
#6 Mexico 1

Patent filings per year

Chart showing JOHN WILLIAMSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Williams 20
#2 Williams John R 11
#3 Judson Williams 4
#4 Williams John Owen 3
#5 Williams John L 1
#6 Williamns John 1
#7 Williams Calvin C 1
#8 Henry Williams 1
#9 Collings James 1
#10 Bishop Charles T 1

Latest patents

Publication Filing date Title
AU2003208050A1 Apparatus and method for viewing vasculature of a human being
AU2003200081B1 Containment of high voltage power transformer internal explosions
AU2002311399A1 High voltage power transformer oil spill fire extinguishment and drainage
AU2002100385B4 Modified buchholz relay for continuous monitoring of gas generated by transformer internal faults
AU7624791A Means for restricting the movement of free hanging lamellae
US3314324A Means for enhancing and reinforcing the tones emitted by a musical instrument having a resonance chamber
GB752716A Improvements in and relating to thread or the like feeding means
GB709366A Boxes and like article carrying containers
GB733344A Improvements in or relating to power transmission devices for bicycles
US2754606A Method of forming moulded printing negatives and positives
US2636631A Display container
GB618935A Improvements in and relating to turning lathes
US2205327A Means for casting metals
GB498939A Means for playing a table game of skill
GB497931A Improvements in machines for shearing metal sheets and the like
US2164849A Piston ring and expander
US2056876A Door check
GB439167A Improvements in machines for shearing metal sheets and the like
US1939749A Production of negative for offset printing plates
US1821251A Piston ring