| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements | |
| #3 | Electrical machinery and energy | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Transport or storage devices | |
| #3 | Belts or cables for driving | |
| #4 | Cranes | |
| #5 | Electric switches | |
| #6 | Gearing | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waechter Ferdinand F | 3 |
| #2 | Young Jr Charles M | 3 |
| #3 | Fullmer Schott Joseph | 1 |
| #4 | Walter Brockschmidt | 1 |
| #5 | Cochrane Harry P | 1 |
| #6 | Scott Campbell William | 1 |
| #7 | Valentine Herbert S | 1 |
| #8 | Kidder Elwin H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2089700A | Hoisting mechanism | |
| US1813898A | Trolley device | |
| US1772696A | Loader and sealing means therefor | |
| US1829317A | Loading and unloadng mechanism for elevators | |
| US1710794A | Automatic skip loader | |
| US1583711A | Skip hoist | |
| US1734960A | Chain link | |
| US1443868A | Means for manipulating telescopic chutes | |
| US1422790A | Chain | |
| US1363088A | Loading apparatus | |
| US1266180A | Electric controller. | |
| US966272A | Equalizing-wheels. |