| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Canada | 3 | |
| #3 | United States | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | China | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Audio-visual technology | |
| #4 | Control | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Clutches and brakes | |
| #3 | Office furniture | |
| #4 | Control or regulating systems | |
| #5 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frey Bernhard | 14 |
| #2 | Bernhard Frey | 2 |
| #3 | Frey B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2657348A1 | Cylinder piston arrangement for a fluid pump or a fluid engine | |
| CA2540721A1 | Eccentric drive mechanism for volumetric pumps or motors | |
| CA940849A | Overrunning clutch |