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DAVID WILLIAMS

Overview
  • Total Patents
    20
About

DAVID WILLIAMS has a total of 20 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United Kingdom, United States and Australia. Its main competitors in its focus markets transport, machines and audio-visual technology are ROBINSON ERNEST, ADE INC and ERNST SCHMIDT.

Patent filings in countries

World map showing DAVID WILLIAMSs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 United States 7
#3 Australia 1
#4 China 1
#5 France 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 David Williams 7
#2 Williams David 1
#3 Holcomb Ralph S 1
#4 Sir Bernard F 1
#5 Dressel Albert R 1
#6 Bert Greene 1

Latest patents

Publication Filing date Title
US2934814A Method of making an electronic components package
GB756424A Improvements in or relating to couplings for connecting together a towing and a towed vehicle
GB681220A Improvements relating to trailer vehicles
GB625636A Improvements relating to the control of aircraft
GB619169A Improvements relating to the control of aircraft
US2359882A Container and end closure therefor and method of making
US2259189A Nonskid attachment
GB483174A A new or improved device for amusement or for forecasting results of games
US2142340A Electric soldering iron
AU2461130B Improvements in and connected with water bags
GB294440A Improvements in or relating to the manufacture of rimmed steel ingots
GB298507A Improvements relating to furnaces
US1498139A Sprinkler head for fire-extinguishing systems
US1415134A Tree protector
GB163513A Improvements relating to gas producers
GB146003A Means for securing handles in brushes or brooms
GB152460A An improved holding tool for holding and manipulating food
US702413A Art of making books.