| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Optics | |
| #4 | Engines, pumps and turbines | |
| #5 | Thermal processes | |
| #6 | Mechanical elements | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Cameras | |
| #4 | Steam generation | |
| #5 | Lubricating | |
| #6 | Unspecified technologies | |
| #7 | Pumps | |
| #8 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Scott Floyd L | 14 |
| #2 | Berleth Nelson B | 2 |
| #3 | Bettis Irvin H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2091889A | Bearing for well drills | |
| US2104821A | Cross roller bit | |
| US2104820A | Three-cutter drill | |
| US1922400A | Retaining means for shafts and the like | |
| US1874066A | Combination rolling and scraping cutter drill | |
| US1896251A | Cutter for well drills | |
| US1702060A | Screw-operated valve | |
| US1653734A | Gauge cock | |
| US1483487A | Roller earth-boring drill cutter | |
| US1501244A | Trimmer attachment for lawn mowers | |
| US1373026A | Lubricator | |
| US1371983A | Pump | |
| US1205486A | Camera-operating device. | |
| CA173836A | Camera operating device |