Andrew Walker
39Patents
15h-index
39Co-inventors
81Inventor score
Filing activity: Nov 25, 1994 → Jul 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7370387B2 | Hand-holdable vacuum cleaners | Human Necessities | 198 | Active |
| US8549704B2 | Hand-held cordless vacuum cleaner | Human Necessities | 57 | Active |
| US7497886B2 | Dust extraction for power tools | Performing Operations; Transporting | 28 | Active |
| US6780094B2 | Oscillating hand tool | Performing Operations; Transporting | 26 | Expired |
| US7736216B2 | Sander having removable platen | Performing Operations; Transporting | 25 | Active |
| US7316404B1 | Drill/driver chuck | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8235137B2 | Mode change mechanism for a power tool | Performing Operations; Transporting | 23 | Active |
| US6382636B1 | Drill/driver chuck | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7018280B2 | Sanding apparatus | Performing Operations; Transporting | 20 | Expired |
| US7395876B1 | Drill driver | Performing Operations; Transporting | 19 | Active |
| US6875095B2 | Oscillating hand tool | Performing Operations; Transporting | 18 | Expired |
| USD595017S1 | Hand-held vacuum cleaner | General | 17 | Expired |
| US8172642B2 | Multi-sander | Emerging Cross-Sectional Technologies | 17 | Active |
| US8820430B2 | Mode change mechanism for a power tool | Performing Operations; Transporting | 16 | Active |
| US7201643B2 | Handle assembly for tool | Performing Operations; Transporting | 15 | Expired |
| US5544274A | Electrical arrangement in power tools--power tool with slide switch | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8398457B2 | Multi-sander | Emerging Cross-Sectional Technologies | 12 | Active |
| US8800682B2 | Dust extraction for power tools | Performing Operations; Transporting | 11 | Active |
| US8821058B2 | Paint applicator | Performing Operations; Transporting | 11 | Active |
| US7363685B2 | Handle assembly for tool | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7631387B2 | Motorized broom and collector | Human Necessities | 9 | Active |
| US7509744B2 | Mode selection mechanism for power tool and power tool incorporating such mechanism | Performing Operations; Transporting | 9 | Active |
| US5816341A | Hammer mechanism | Performing Operations; Transporting | 7 | Expired |
| US9393658B2 | Portable power tool | Emerging Cross-Sectional Technologies | 6 | Active |
| USRE42873E1 | Hand-holdable vacuum cleaners | General | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.