| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Pumps | |
| #5 | Clutches and brakes | |
| #6 | Handling thin material | |
| #7 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Le Bus George F | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US2664828A | Sand trap for oil wells | |
| US2204938A | Cable and rope winding device | |
| US2180597A | Self-aligning clutch | |
| US2191890A | Shaft bearing | |
| US2147491A | Side tracker for oil well equipment | |
| US2103988A | Fishing tool for well drilling | |
| US2054223A | Well drilling system | |
| US1780134A | Fishing socket | |
| US1710581A | Sand-tester pump | |
| US1665967A | Sand-tester pump | |
| US1710580A | Rotary underreamer | |
| US1577474A | Inside pipe cutter | |
| US1693789A | Combination tool for well-drilling operations | |
| US1481378A | Slip | |
| US1493350A | Overshot |