Hydro Tech Inc.
13Patents
5Active
13Granted
46Portfolio score
Filing activity: Jul 28, 1975 → Mar 6, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5580444A | Water quality monitor for a water purification system | Physics | 67 | Expired |
| USD412552S | Housing for a water purification unit | General | 51 | Expired |
| US5527450A | Water conductivity monitor for a water purification system | Physics | 35 | Expired |
| US4004541A | Jet boat pump | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US9275536B2 | Pump monitoring device | Physics | 13 | Active |
| USD422679S | Housing for a water chiller unit | General | 11 | Expired |
| US4031844A | Dual jet boat pump | Performing Operations; Transporting | 11 | Expired |
| US9140255B2 | Pump monitoring device | Physics | 8 | Active |
| US8419836B2 | Gas-liquid separator and related methods | Performing Operations; Transporting | 5 | Active |
| US4326675A | Honey pit fertilization system | Human Necessities | 1 | Expired |
| US11703086B2 | Apparatus and method for assembling a split sleeve onto a shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11959517B2 | Apparatus and method for assembling a split sleeve onto a shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US4284246A | Honey pit fertilization system | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.