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WILLIAMS DAVID M

Overview
  • Total Patents
    23
About

WILLIAMS DAVID M has a total of 23 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets weapons, transport and engines, pumps and turbines are HOLMSTROM CARL, STOCKHOLMS VAPENFABRIK AB and MARCHI ROMOLO.

Patent filings in countries

World map showing WILLIAMS DAVID Ms patent filings in countries
# Country Total Patents
#1 United States 20
#2 United Kingdom 2
#3 Canada 1

Patent filings per year

Chart showing WILLIAMS DAVID Ms patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams David M 21
#2 Marellapudi Seshagiri R 1
#3 Donlon Mary T 1
#4 Terricciano Paul 1
#5 Goodenbery Jeffrey D 1
#6 Curtis Charles L 1
#7 Balasubramaniam Ravikumar 1
#8 Waldron Randall D 1

Latest patents

Publication Filing date Title
US2011085919A1 Alarm system for a sump pump assembly
US2010211401A1 Transportation System
US2008086579A1 Reliable asynchronous serial protocol between remote operated devices and input/output controller
GB0015829D0 Flexible camera mount
GB9908006D0 Fire protection device
US4441790A Lift truck safety mirror
US4312225A Devices for detecting levels
US4108406A Rail car safety reflector
US4010898A Irrigation method and apparatus
US2551193A Rail car safety reflector
US2377737A Firearm
US2373622A Firearm
US2336146A Firearm
US2286133A Firearm
US2174851A Safety mechanism for firearms
US2242496A Sear mechanism for firearms
US2204289A Extractor mechanism for firearms
US2144951A Firearm
US2027893A Belt feeding means for guns
US2027892A Gun