| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Sweden | 2 | |
| #6 | Belgium | 1 | |
| #7 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Computer technology | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines | |
| #2 | Unspecified technologies | |
| #3 | Positive-displacement engines | |
| #4 | Pumps | |
| #5 | Servomotors | |
| #6 | Gearing | |
| #7 | Internal-combustion piston engines | |
| #8 | Hot gas positive-displacement engine plants | |
| #9 | Motor vehicles | |
| #10 | Fluid-circuit elements for computing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Denker James M | 9 |
| #2 | Denker J | 9 |
| #3 | Denker J M | 2 |
| #4 | Melvin Denker James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4057007A | Rotary fluid device having two rotor sections | |
| US3893874A | Cams | |
| US3854284A | Engines | |
| US3848481A | Cams | |
| US3788339A | Fluid controlling | |
| US3872773A | Position controlling | |
| US3785634A | Positioning | |
| US3794065A | Valving | |
| US3880052A | Fluid devices | |
| US3724334A | Mechanical driving | |
| CA936415A | Mechanical driving | |
| GB1309343A | Mechanical driving devices | |
| US3662551A | Fluid pressure controlling | |
| US3584542A | Mechanical driving | |
| US3587650A | Valving | |
| CA922971A | Fluid motors and pumps | |
| US3508465A | Fluid motor |