ELEVATOR SUPPLIES COMPANY has a total of 25 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets packaging and shipping, civil engineering and electrical machinery and energy are HAUSHAHN C, BOEDTCHER FRANZ A and EXPRESS LIFT CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 15 | |
#2 | United States | 6 | |
#3 | France | 4 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Civil engineering | |
#3 | Electrical machinery and energy | |
#4 | Machines | |
#5 | Thermal processes | |
#6 | Mechanical elements | |
#7 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Elevators and escalators | |
#2 | Belts or cables for driving | |
#3 | Burners | |
#4 | Locks | |
#5 | Ropes | |
#6 | Wing fittings | |
#7 | Unspecified technologies | |
#8 | Electric switches | |
#9 | Indexing scheme relating to hinges |
# | Name | Total Patents |
---|---|---|
#1 | Bruestle Carl O | 5 |
#2 | Shonnard Harold W | 5 |
#3 | Zarafu Herman | 5 |
#4 | Shonnard Harold Waldron | 2 |
#5 | Weeks William Wallace | 2 |
#6 | Smith Frank H | 1 |
#7 | Herman Zarafu | 1 |
#8 | Banks James H | 1 |
#9 | Jurgens Harry R | 1 |
Publication | Filing date | Title |
---|---|---|
US1937918A | Apparatus for winding tape or the like | |
US1684115A | Closure operator for sliding doors | |
US1673922A | Adjustable clamp for cables and the like | |
US1684719A | Elevator door | |
US1838876A | Operating means for elevator doors | |
US1789989A | Locking means for sliding doors | |
CA250949A | Electric switch | |
CA397636A | Wire coiling apparatus | |
CA306565A | Electric door operator | |
CA255973A | Elevator door operating mechanism | |
CA386479A | Wire spooling or reeling apparatus | |
CA370667A | Filament winding applying apparatus | |
CA397637A | Wire coiling apparatus | |
CA397638A | Capstan block | |
CA379257A | Wire spooling apparatus | |
CA403954A | Wire drawing machine | |
CA403955A | Reel arbor | |
CA434353A | Door electric operator | |
CA384889A | Wire spooling or reeling machine | |
CA387893A | Winding apparatus taping head |