David Ryan
20Patents
9h-index
44Co-inventors
75Inventor score
Filing activity: Feb 11, 1982 → Jul 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4868023A | Polyolefin article having permanent indicia thereon | Emerging Cross-Sectional Technologies | 40 | Expired |
| USD612734S1 | Bottle | General | 30 | Expired |
| USD574252S1 | Bottle | General | 20 | Expired |
| USD604171S1 | Bottle | General | 15 | Expired |
| USD572137S1 | Bottle | General | 15 | Expired |
| US8567624B2 | Lightweight, high strength bottle | Performing Operations; Transporting | 12 | Active |
| USD564888S1 | Bottle | General | 11 | Expired |
| US7686178B2 | Flask | Performing Operations; Transporting | 11 | Active |
| US4443697A | System and method for selecting and segregating containers | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD647406S1 | Bottle | General | 9 | Expired |
| USD666496S1 | Bottle | General | 8 | Active |
| US4834606A | Apparatus for stacking formed articles | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5238761A | Cathode material for electrochemical cells | Electricity | 6 | Expired |
| US5175068A | Electrochemical cell cathode material | Electricity | 3 | Expired |
| US9917579B2 | Low power consumption diode switch | Electricity | 2 | Active |
| US5151335A | Cathode material for electrochemical cells | Chemistry; Metallurgy | 2 | Expired |
| US12280407B2 | Method and apparatus for the treatment of waste material | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US5166010A | Electrochemical cell cathode material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US12303951B2 | Treatment of waste material | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11816083B2 | Method and system for indexing of time-series data | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.