| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Israel | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Norway | 1 | |
| #12 | Portugal | 1 | |
| #13 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Making gears or toothed racks | |
| #5 | Rotary pistons | |
| #6 | Accessories for machine tools | |
| #7 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pierrat Michel A | 5 |
| #2 | Pierrat Michel Andre | 4 |
| #3 | Pierrat M A | 2 |
| #4 | Ryffel Henry | 2 |
| #5 | Black Jr Thomas J | 1 |
| #6 | Nagabhusan Prabhakar | 1 |
| #7 | Holt Jr Carl J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5145468A | Adjustable cycloidal speed reducer | |
| US4282777A | Pancake planetary drive | |
| US4271726A | Planetary transmission | |
| ES454435A1 | Orbital transmission mechanism (Machine-translation by Google Translate, not legally binding) | |
| NL7614146A | Mechanical speed reducing gear - has rollers mounted on wheels to engage hypocycloidal teeth in mating wheels | |
| PT65985A | Mechanical drives | |
| US4117746A | Orbital drive mechanism | |
| US4052928A | Cam-type gearing and the like | |
| US3998112A | Mechanical drives | |
| US3574489A | Orbital drive and fluid motor incorporating same |