Michael DeFrank
28Patents
16h-index
17Co-inventors
78Inventor score
Filing activity: Aug 18, 1977 → Mar 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5242432A | Needleless adapter | Human Necessities | 250 | Expired |
| US5066142A | Protective apparatus for a biomedical probe | Physics | 58 | Expired |
| US6332090A | Thermally isolated probe for biomedical apparatus and method of communicating energy there through | Physics | 55 | Expired |
| US5522551A | Drip irrigation hose and method for its manufacture | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5333793A | Drip irrigation hose with pressure compensation and method for its manufacture | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6116523A | Pressure-compensating drip irrigation hose and method for its manufacture | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5957391A | Drip irrigation hose with self-cleaning inlet and method for its manufacture | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5855324A | Drip irrigation hose and method of its manufacture | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5722601A | Drip irrigation hose and method of its manufacture | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5865377A | Drip irrigation hose and method for its manufacture | Emerging Cross-Sectional Technologies | 38 | Expired |
| USD318812S | Disposable speculum for an infrared thermometer | General | 32 | Expired |
| US6936126B2 | Method of manufacture of a drip irrigation hose | Emerging Cross-Sectional Technologies | 28 | Expired |
| US9027856B2 | Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby | Emerging Cross-Sectional Technologies | 28 | Active |
| USD317414S | Handheld infrared thermometer | General | 23 | Expired |
| US5458712A | Process for forming drip irrigation hose with pressure compensation | Emerging Cross-Sectional Technologies | 19 | Expired |
| US10107707B2 | Method and system for detection of blowout in pipes/tubes | Physics | 19 | Active |
| US6864591B2 | Sprinkler activated generator | Performing Operations; Transporting | 15 | Expired |
| US5634595A | Drip irrigation hose and method for its manufacture | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4259187A | Intravenous fluid filter | Human Necessities | 7 | Expired |
| US6464816B1 | Method and apparatus for making a drip irrigation hose | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4131590A | Epoxy-rubber based friction material | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10753337B2 | Motion control system and method with energy harvesting | Emerging Cross-Sectional Technologies | 3 | Active |
| US7362000B1 | Fluid pulsating generator | Performing Operations; Transporting | 3 | Active |
| US11778963B2 | Low flow emitter with echelon shaped teeth | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11653603B2 | Turbo tape PC for continuous flow | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.