| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Environmental technology | |
| #6 | Engines, pumps and turbines | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Clutches and brakes | |
| #3 | Cranes | |
| #4 | Unspecified technologies | |
| #5 | Motor vehicles | |
| #6 | Supplying combustion engines | |
| #7 | Climate change mitigation in transportation | |
| #8 | Lubricating | |
| #9 | Winches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paul Burke | 12 |
| #2 | Arthur Orloff | 9 |
| #3 | Allin Sr George S | 3 |
| #4 | Sorge Winfred J | 2 |
| #5 | Pearson William M | 2 |
| #6 | Blanchard Bernard E | 2 |
| #7 | Brolin Anders H | 2 |
| #8 | Holloway John H | 2 |
| #9 | Allin Jr George S | 2 |
| #10 | Branson David T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3581908A | Logging machine with emergency brake | |
| US3578787A | Control system | |
| US3402486A | Dipper | |
| US3323660A | Lattice boom construction | |
| US3395783A | Safety system for machine maintenance workers | |
| US3252546A | Operator cab mounting | |
| US3131822A | Mounting and cable line rigging for pullshovel dipper attachment | |
| US3127970A | Disc clutch | |
| US2795338A | Gantry crane | |
| US2652940A | Excavating dipper | |
| US2115763A | Clutch | |
| US2016032A | Dipper door control | |
| US2025090A | Excavating dipper | |
| US2036680A | Pull shovel | |
| US1908686A | Dragline bucket | |
| US1852289A | Power shovel | |
| US1852258A | Excavating apparatus | |
| US1793126A | Trench hoe | |
| US1843750A | Excavating shovel | |
| US1785492A | Back digger |