| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | Germany | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Sweden | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Generating mechanical vibrations | |
| #2 | Percussive tools | |
| #3 | Cyclically operating valves | |
| #4 | Positive-displacement engines | |
| #5 | Unspecified technologies | |
| #6 | Servomotors | |
| #7 | Making metal sheets | |
| #8 | Forging | |
| #9 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ottestad Jack B | 6 |
| #2 | Ottestad J | 2 |
| #3 | Ottestad J B | 1 |
| #4 | Ottestad Jack Benton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3924513A | Control means for a fluid-powered device | |
| US3822633A | Control means for a fluid-powered device | |
| US3524385A | Control means for fluid-powered devices | |
| US3363512A | Impact ram | |
| US3263575A | Linear accelerator | |
| CA903599A | Control means for fluid powered devices |