| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | United States | 4 | |
| #3 | Canada | 3 | |
| #4 | Finland | 3 | |
| #5 | Republic of Korea | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Special machines | |
| #3 | Venting or aerating devices | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pinkerton Dennis | 16 |
| #2 | Jaekel Robert William | 2 |
| #3 | Pardinas Guillermo Pedro | 2 |
| #4 | Jaekel Robert W | 2 |
| #5 | Pardinas Guillermo P | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP0659236A1 | Self-cleaning reciprocating and/or rotating device | |
| US5092037A | Method of making a valveless positive displacement pump including a living hinge for angular adjustment | |
| US5044889A | Phase adjustable metering pump, and method of adjusting the flow rate thereof | |
| US5015157A | Pump with multi-port discharge | |
| US5020980A | Valveless, positive displacement pump including hinge for angular adjustment |