| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | Germany | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Electrical machinery and energy | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Dynamo-electric machines | |
| #4 | Springs | |
| #5 | Metal wire processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ulbing Otmar M | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US4909099A | Rotary/linear actuator | |
| US4848184A | Rotary/linear actuator | |
| US4836514A | Preloaded spring, method and apparatus for forming same | |
| US4854189A | Rotary/linear actuator | |
| US4719683A | Preloaded spring, method and apparatus for forming same |