David Walters
37Patents
19h-index
40Co-inventors
81Inventor score
Filing activity: Dec 13, 1978 → Aug 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5538880A | Method for preparing fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 471 | Expired |
| US6160208A | Fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 193 | Expired |
| US6399861B1 | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Chemistry; Metallurgy | 138 | Expired |
| US5538877A | Method for preparing fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 137 | Expired |
| US5484956A | Fertile transgenic Zea mays plant comprising heterologous DNA encoding Bacillus thuringiensis endotoxin | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5554798A | Fertile glyphosate-resistant transgenic corn plants | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5780708A | Fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 132 | Expired |
| US6013863A | Fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 124 | Expired |
| US4336749A | Fan housing unit and mounting device therefor | Mechanical Engineering; Lighting; Heating | 106 | Expired |
| US4834761A | Robotic multiple-jointed digit control system | Performing Operations; Transporting | 88 | Expired |
| US5508468A | Fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4928546A | Robotic devices | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5990390A | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6025545A | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6777589B1 | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6750379B2 | Homologous recombination-mediated transgene alterations in plants | Chemistry; Metallurgy | 24 | Expired |
| US6803499B1 | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Chemistry; Metallurgy | 21 | Expired |
| US7705215B1 | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Chemistry; Metallurgy | 21 | Expired |
| US6329574A | High lysine fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4266528A | Ducted/ductless range hood | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6580019B1 | Non-reciprocal recombination-mediated transgene deletion in transgenic plants | Chemistry; Metallurgy | 6 | Expired |
| US8237016B2 | Methods and compositions for obtaining marker-free transgenic plants | Chemistry; Metallurgy | 6 | Active |
| US8076536B2 | Methods and compositions for obtaining marker-free transgenic plants | Chemistry; Metallurgy | 5 | Active |
| US6331665A | Insect resistant fertile transgenic corn plants | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7211713B2 | Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.