WESTINGHOUSE ELEC ELEVATOR CO has a total of 178 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, electrical machinery and energy and machines are EVANS ELEVATOR EQUALIZER COMPA, HENSELER H AG and HAUGHTON ELEVATOR COMPANY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 177 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Electrical machinery and energy | |
#3 | Machines | |
#4 | Transport | |
#5 | Mechanical elements | |
#6 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | James Dunlop | 33 |
#2 | Eames William F | 31 |
#3 | Williams Harold W | 29 |
#4 | Mccormick Harold V | 22 |
#5 | Bouton Edgar M | 20 |
#6 | Danilo Santini | 12 |
#7 | Ellis Jr Charles E | 8 |
#8 | White Kenneth M | 7 |
#9 | Jones Richard W | 6 |
#10 | Carney Charles F | 6 |
Publication | Filing date | Title |
---|---|---|
US2447664A | Electrostatic coating apparatus and method | |
US2359092A | Elevator control system | |
US2359179A | Elevator control system | |
US2363302A | Elevator control system | |
US2361170A | Elevator control system | |
US2326046A | Elevator safety apparatus | |
US2298167A | Elevator safety device | |
US2313955A | Elevator control system | |
US2298174A | Elevator control system | |
US2298111A | Elevator control system | |
US2289107A | Brake | |
US2300953A | Interlock circuit for vertical door operators | |
US2295381A | Compensating sheave for elevators | |
US2253386A | Moving stairway | |
US2259366A | Electric stairway | |
US2290714A | Elevator dispatching system | |
US2326086A | Inductor switch | |
US2231709A | Moving stairway | |
US2225772A | Moving stairway | |
US2221610A | Electrical control system |