David Shearer
10Patents
5h-index
21Co-inventors
66Inventor score
Filing activity: Aug 18, 1976 → Nov 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8361186B1 | Biochar | Emerging Cross-Sectional Technologies | 130 | Active |
| US8747797B2 | Biochar | Emerging Cross-Sectional Technologies | 66 | Active |
| US9725371B2 | Biochar compositions and methods of use thereof | Chemistry; Metallurgy | 37 | Active |
| US4069956A | Ball carrier adapted to be mounted on a bicycle | Emerging Cross-Sectional Technologies | 13 | Expired |
| US10316594B2 | Drill element and associated equipment and methods | Fixed Constructions | 8 | Active |
| US9328032B2 | Biochar | Emerging Cross-Sectional Technologies | 5 | Active |
| US10233131B2 | Biochar | Emerging Cross-Sectional Technologies | 2 | Active |
| US11872033B2 | Methods and devices for visualizing analyte measurements | Human Necessities | 0 | Active |
| US10947167B2 | Biochar | Emerging Cross-Sectional Technologies | 0 | Active |
| US10712034B2 | Variable frequency drives systems and methods | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.