| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Foods and drinks | |
| #5 | Transport | |
| #6 | Computer technology | |
| #7 | Materials and metallurgy | |
| #8 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knipe Oliver C | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US1426746A | Recovering gold and apparatus therefor | |
| US1233583A | Ball-bearing. | |
| CA169226A | Hand support | |
| US1154188A | Antifriction hand-support. | |
| US1115943A | Method of and apparatus for electric welding and article produced thereby. | |
| US1134463A | Ball-bearing. | |
| US1064345A | Baking machinery. | |
| US1075829A | Ball-bearing. | |
| US1006103A | Method of making ball-bearings. | |
| US998099A | Ball-bearing. | |
| US1001049A | Process of welding sheet metal. | |
| US697633A | Axle-bearing. | |
| US681966A | Hub-cap for vehicles. | |
| US735529A | Ball-bearing. | |
| US755371A | Ball-bearing. | |
| CA53778A | Ball bearing |