| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Packaging and shipping | |
| #4 | Agriculture | |
| #5 | Machines | |
| #6 | Electrical machinery and energy | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Motor vehicles | |
| #3 | Horticulture | |
| #4 | Winches | |
| #5 | Unspecified technologies | |
| #6 | Cranes | |
| #7 | Special electric heating or lighting | |
| #8 | Crop agriculture | |
| #9 | Belts or cables for driving | |
| #10 | Swimming pools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Allin George S | 21 |
| #2 | Lindberg Robert H | 3 |
| #3 | Larson Harry D | 2 |
| #4 | Hansen Arthur E | 2 |
| #5 | Moore Thomas J | 2 |
| #6 | Sherman Ray C | 2 |
| #7 | Flynn Theodore P | 1 |
| #8 | Gammel John A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3049955A | Machine for shearing flanges from i-beams | |
| US2952929A | Ripper tooth | |
| US3082031A | Two point log grapple | |
| US2828156A | Choker hook | |
| US2504954A | Logging arch | |
| US2582538A | Trenching plow | |
| US2445053A | Scraper | |
| US2582548A | Portable logging tower | |
| US2447455A | Scraper | |
| US2381045A | Tongs | |
| US2352593A | Wheel equipped tractor | |
| US2311922A | Tractor | |
| US2334167A | Cable power unit | |
| US2325729A | Hydralic power system for tractors | |
| US2310727A | Tractor | |
| US2284790A | Wheeled track replacement unit for tractors | |
| US2291858A | Wheeled scraper | |
| US2263064A | Cable power unit | |
| US2265986A | Wheeled track replacement unit for crawler type tractors | |
| US2271790A | Load ejector |