| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 9 | |
| #2 | United States | 6 | |
| #3 | Germany | 1 | |
| #4 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Pumps | |
| #3 | Positive-displacement engines | |
| #4 | Rotary-pistons | |
| #5 | Supplying combustion engines | |
| #6 | Pipes | |
| #7 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fitzgerald William Maurice Bar | 8 |
| #2 | Thomas Ratcliffe | 2 |
| #3 | Maurice Bard Fitzgerald Willia | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3918857A | Hydraulic motors with intermeshing sun and planet gears | |
| US4031920A | Pressurized hydraulic sump system | |
| US4048970A | Fuel injector | |
| US3918851A | High velocity shaft seal | |
| US3908379A | Opposed free piston engine having start, stop, and restart control means | |
| US3968732A | Hydraulic power transmission system |