WALKER WILLIAM J has a total of 13 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets agriculture, computer technology and electrical machinery and energy are LUOYANG INST OF REFRACTORIES R, GOLDMAN ALEKSANDR M and I S KOSAN KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 4 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Agriculture | |
#2 | Computer technology | |
#3 | Electrical machinery and energy | |
#4 | Materials and metallurgy | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Animal catching | |
#2 | Crop agriculture | |
#3 | Tools for connecting or disengaging | |
#4 | Electric digital data processing | |
#5 | Building materials | |
#6 | Spark gaps and corona devices | |
#7 | Harvesting | |
#8 | Analogue computers |
# | Name | Total Patents |
---|---|---|
#1 | Walker William J | 12 |
#2 | Jones Phillip M | 1 |
#3 | Saccoccia Michael E | 1 |
#4 | Balabanos Vasileios | 1 |
#5 | Walker Roland M | 1 |
#6 | Jansen Kenneth | 1 |
#7 | Shah Paras A | 1 |
#8 | O'D Duggan Terence | 1 |
#9 | Osten James H | 1 |
#10 | Izak Archer Alva | 1 |
Publication | Filing date | Title |
---|---|---|
US2011077141A1 | Alumina ceramic for spark plug insulator | |
US2005257010A1 | Method and system for migrating memory segments | |
GB8903360D0 | International athletics board game | |
US2868448A | Apparatus for the determination of polynomial functions and the solution of algebraic equations | |
US2643483A | Wild game calling device | |
US1301202A | Hand oil-cup and chain pipe wrench combined. | |
US1271397A | Boll-weevil destroyer. | |
US1268302A | Attachment for harvester-headers. | |
US685657A | Road scraper and grader. | |
CA38030A | Nut lock | |
CA623449A | Means for the continuous proportioning of two or more liquids | |
CA196339A | Wrench | |
CA36513A | Car coupler |