John Hackney
12Patents
5h-index
4Co-inventors
59Inventor score
Filing activity: May 2, 1977 → May 11, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4218986A | Boat rudder accessory | Performing Operations; Transporting | 8 | Expired |
| US4335669A | Sail batten improvements | Performing Operations; Transporting | 8 | Expired |
| US4302869A | Hand puller for ropes | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4319537A | Sailcraft traveler car and assembly | Performing Operations; Transporting | 6 | Expired |
| US4898111A | Catamaran sailboat user support platforms and packaged elements therefore | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4535825A | Sail batten improvements | Performing Operations; Transporting | 5 | Expired |
| US4561373A | Protective caps for sailboat spreaders | Performing Operations; Transporting | 3 | Expired |
| US5048442A | Spinnaker handling devices | Performing Operations; Transporting | 3 | Expired |
| US4602585A | Jib sail and batten combinations | Performing Operations; Transporting | 3 | Expired |
| US4543024A | Combined washer and cotter pin anti-snag device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8403699B1 | Strain relief electrical cable connector | Electricity | 1 | Active |
| US4557212A | Bearing systems for sailcraft gooseneck units | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.