| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Winches | |
| #3 | Unspecified technologies | |
| #4 | Belts or cables for driving | |
| #5 | Making gears or toothed racks | |
| #6 | Gearing | |
| #7 | Unspecified technologies | |
| #8 | Shafts | |
| #9 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Le Bus Franklin L | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2672380A | Thrust bearing and seal for idler units | |
| US2633329A | Snatch block | |
| US2599926A | Drum winding apparatus | |
| US2630609A | Load binder | |
| US2680483A | Method and apparatus for recovering lost drill pipe | |
| US2308182A | Contour grinder tool | |
| US2303647A | Outside drill pipe cutter | |
| US2315629A | Wall core scraper | |
| US2285213A | Knuckle joint | |
| US2293907A | Multiple roller gearing power transmission | |
| US2275911A | Retriever tool | |
| US2264913A | Pipe fishing tool |