| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Optics | |
| #5 | Mechanical elements | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Cranes | |
| #2 | Winches | |
| #3 | Unspecified technologies | |
| #4 | Lifting and pushing | |
| #5 | Elevators and escalators | |
| #6 | Vehicle windows, roofs and doors | |
| #7 | Clutches and brakes | |
| #8 | Doors and windows | |
| #9 | Processing photographic materials | |
| #10 | Wing fittings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kearney John A | 5 |
| #2 | Rutan William | 3 |
| #3 | Donat Joseph H | 2 |
| #4 | Hooker Edward D | 1 |
| #5 | Pavelka Edward | 1 |
| #6 | William Rutan | 1 |
| #7 | Falkenau Arthur | 1 |
| #8 | Forman Louis O | 1 |
| #9 | Geoghegan Walter F | 1 |
| #10 | Arwine Arthur J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1522463A | Hoisting mechanism | |
| US1452964A | Hoisting mechanism | |
| US1429216A | Portable hoisting apparatus | |
| US1333038A | Cable-hook | |
| US1333064A | Hoisting mechanism | |
| US1281007A | Hoisting-machine. | |
| US1219402A | Hoisting-bucket. | |
| US1174422A | Double-leaf sidewalk-door. | |
| US1177251A | Guard for hoistway-doors. | |
| US1170193A | Mechanism for operating hoistway-doors. | |
| US1163176A | Locking device for hoisting apparatus. | |
| US1150604A | Hoisting apparatus. | |
| US1163169A | Brake mechanism for hoisting apparatus. | |
| US1101843A | Hoisting apparatus. | |
| US1097233A | Hoisting apparatus. | |
| US1101190A | Hoisting apparatus. | |
| US1024885A | Hoisting apparatus. | |
| US1150587A | Ratchet mechanism. |