| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | Canada | 3 | |
| #5 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Dredging | |
| #3 | Internal-combustion piston engines | |
| #4 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weinrib Harry P | 10 |
| #2 | Weinrib Harry Peter | 7 |
| #3 | Wahlgren Dan | 4 |
| #4 | Dokhale Mugdha Shrikant | 3 |
| #5 | Rhyner Phillip Cyrus | 2 |
| #6 | Rhyner Phillip | 1 |
| #7 | Wahlgren Daniel K | 1 |
| #8 | Dokhale Mugdha | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020277950A1 | Seal support sensor for a pump | |
| US2020132076A1 | Eddy pump | |
| US2018142691A1 | Eddy pump impeller | |
| CA2508414A1 | Method and apparatus for pumping with a dredge | |
| US5893703A | Pump shaft sealing system | |
| US4914841A | Dredging with a pressurized, rotating liquid stream | |
| US4792275A | Pump construction | |
| US4776753A | Method of and apparatus for pumping viscous fluids | |
| US4815929A | Eddy pump | |
| US4596511A | Eddy pump |