| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 82 | |
| #2 | Canada | 10 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Cranes | |
| #2 | Winches | |
| #3 | Clutches and brakes | |
| #4 | Unspecified technologies | |
| #5 | Ships | |
| #6 | Marine propulsion | |
| #7 | Unspecified technologies | |
| #8 | Dredging | |
| #9 | Railway systems | |
| #10 | Belts or cables for driving |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dickinson Joseph H | 15 |
| #2 | Covell Harry N | 12 |
| #3 | Dickinson Merian H | 7 |
| #4 | Benson Melvin B | 6 |
| #5 | Miller Thomas Spencer | 5 |
| #6 | Wachter Charles L | 4 |
| #7 | Swan Ervin D | 4 |
| #8 | Baechtold Charles A | 3 |
| #9 | Reynolds Henry L | 3 |
| #10 | Ruggles Louis G | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3205850A | Ship stabilizer | |
| US2583407A | Power steering mechanism | |
| US2352309A | Towing machine | |
| US2348323A | Telemotor system | |
| US2239839A | Differential gearing | |
| US2250985A | Towing machine | |
| US2288076A | Steering gear for ships | |
| US2179082A | Winch | |
| US2166206A | Combination hand and power steering apparatus | |
| US2126404A | Portable power shovel and the like | |
| US2094131A | Power reverse mechanism | |
| US1785340A | Portable cableway | |
| US1719598A | Overhead cableway system | |
| US1742498A | Locking device for skidding carriages | |
| US1756732A | Skidding carriage | |
| US1681947A | Sheave block | |
| US1612404A | Electric traversing system | |
| US1685911A | Overhead cableway skidding and loading equipment | |
| US1624545A | Hoisting and conveying device | |
| US1567717A | Friction device |