| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Agriculture | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Unspecified technologies | |
| #3 | Vehicle suspension arrangements | |
| #4 | Winches | |
| #5 | Vehicle connections | |
| #6 | Planting | |
| #7 | Unspecified technologies | |
| #8 | Crop agriculture | |
| #9 | Vehicle brake control systems | |
| #10 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nabors William C | 22 |
| Publication | Filing date | Title |
|---|---|---|
| US2655388A | Spring suspension for vehicle trailers | |
| US2530311A | Lower fifth wheel | |
| US2475716A | Adjustable power-operated trailer mower | |
| US2543586A | Broadcasting seeder | |
| US2445686A | Tandem axle assembly | |
| US2429483A | Lower fifth wheel | |
| US2205575A | Truck body | |
| US2217449A | Ground working implement | |
| US2168268A | Vehicle body | |
| US2089290A | Trailer steering construction | |
| US1951765A | Brake mechanism for vehicles | |
| US1868021A | Vehicle trailer | |
| US1892072A | Vehicle coupling | |
| US1868020A | Load carrying vehicle | |
| US1895170A | Vehicle | |
| US1863348A | Trailer | |
| US1915864A | Vehicle trailer | |
| US1613900A | Winch attachment for automobile rear axles | |
| US1599834A | Trailer hitch | |
| US1562652A | Trailer |