Daniel O'Brien
15Patents
6h-index
12Co-inventors
63Inventor score
Filing activity: Sep 21, 1978 → Feb 27, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5636648A | Mobile rotator jet sewer cleaner | Performing Operations; Transporting | 62 | Expired |
| USD467015S1 | Landscape trim | General | 20 | Expired |
| US4224910A | Closed loop fuel control system with air/fuel sensor voting logic | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US7864505B1 | Structural capacitors and components thereof | Electricity | 19 | Active |
| US4194708A | Remotely piloted vehicle | Performing Operations; Transporting | 8 | Expired |
| US6202512A | Torsion screwdriver | Performing Operations; Transporting | 7 | Expired |
| US6145326A | Forced oil cooling for refrigeration compressor | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| USD467357S1 | Lawn trim | General | 3 | Expired |
| US6065690A | Tension actuated submerged liquid dispenser | Chemistry; Metallurgy | 3 | Expired |
| US7387451B2 | Composites for wireless optical communication | Physics | 2 | Active |
| US10385993B2 | Pipe joint | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4456753A | Process for the manufacture of highly crystalline sodium cefoperazone | Human Necessities | 0 | Expired |
| US9708879B2 | Isolation barrier | Fixed Constructions | 0 | Active |
| US9959974B2 | Method for making a structural capacitor | Electricity | 0 | Active |
| US10309163B2 | Pipe coupling | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.