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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 20 | |
#2 | United Kingdom | 2 | |
#3 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Weapons | |
#2 | Transport | |
#3 | Engines, pumps and turbines | |
#4 | Electrical machinery and energy | |
#5 | Measurement | |
#6 | Control | |
#7 | Packaging and shipping | |
#8 | Agriculture |
# | Technology | |
---|---|---|
#1 | Mountings for cannons and pistols | |
#2 | Guiding railway traffic | |
#3 | Horticulture | |
#4 | Pumps | |
#5 | Vehicle parts | |
#6 | Lifting and pushing | |
#7 | Control or regulating systems | |
#8 | Measuring distances | |
#9 | Electric switches | |
#10 | Non-positive-displacement pumps |
# | 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 |
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 |