SMITH WILLIAM F has a total of 40 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and surface technology and coating are FRIESEN CODY A, AER ENERGY RESOURCES INC and HAWKER ENERGY PRODUCTS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 33 | |
#2 | Canada | 5 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Electrical machinery and energy | |
#3 | Surface technology and coating | |
#4 | Machines | |
#5 | Audio-visual technology | |
#6 | Thermal processes | |
#7 | Mechanical elements | |
#8 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Reduction of greenhouse gas emissions | |
#2 | Batteries | |
#3 | Electrolytic processes | |
#4 | Unspecified technologies | |
#5 | Details of furnaces | |
#6 | Smoking accessories | |
#7 | Solar heat collectors | |
#8 | Advertising | |
#9 | Unspecified technologies | |
#10 | Clutches and brakes |
# | Name | Total Patents |
---|---|---|
#1 | Smith William F | 40 |
#2 | Johnson Martin | 2 |
#3 | Sanford Edwin P | 1 |
#4 | Mays Elmo R | 1 |
Publication | Filing date | Title |
---|---|---|
US2006222912A1 | Modular regenerative fuel cell system | |
US6237863B1 | Disengageable worm wheel gearbox | |
US4763641A | Solar energy absorber | |
US4597378A | Solar energy collector and glazing system | |
US3327431A | Machine for abrading, polishing and cleaning | |
US2616189A | Footwear identification plate | |
US2611515A | Resilient closure for containers | |
US2263146A | Coverall garment | |
US2251469A | Bearing | |
US2172459A | Shade roller fixture | |
US2233434A | Ceramic support | |
US2231033A | Ceramic support | |
US2182455A | Flexible coupling | |
US2149983A | Bearing | |
US1942669A | Free wheeling transmission clutch | |
US1736889A | Sign | |
US1583500A | Nut-warming device | |
US1531988A | Cuff | |
US1513646A | Motor | |
US1294964A | Vending-machine. |