| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | Japan | 2 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Agriculture | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Lloyd E | 12 |
| #2 | Evelyn Denison F | 2 |
| #3 | Roido Ii Jiyonson | 1 |
| #4 | Roido Edowaado Jiyonson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4784108A | Grinding wheel dressing apparatus | |
| CA1053521A | Fuel injection valves and their manufacture | |
| US4064855A | Pressure relief at fuel injection valve upon termination of injection | |
| CA1040497A | Sealing in fuel injection pumps | |
| US2959370A | Drag for spinning reel | |
| US2862679A | Spinning reel |