| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Optics | |
| #5 | Medical technology | |
| #6 | Packaging and shipping | |
| #7 | Thermal processes | |
| #8 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Chairs and beds | |
| #3 | Unspecified technologies | |
| #4 | Containers for goods storage | |
| #5 | Optical systems | |
| #6 | Smoking accessories | |
| #7 | Implantable devices | |
| #8 | Air-conditioning | |
| #9 | Multi-purpose tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lang John W | 12 |
| #2 | Jensen Alfred M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5251519A | T-handle wrench kit | |
| US4748875A | Ratchet box wrench with offset handle | |
| US3178994A | Borescope | |
| US2500835A | Ratchet wrench | |
| US2059006A | Bottle container | |
| US1470455A | Chair | |
| US1489770A | Pipe bit | |
| US1349164A | Chair | |
| US999114A | Apparatus for collecting smoke, gases, and the like. | |
| US997067A | Surgical appliance. | |
| CA473533A | Ratchet wrenches |