David Andrews
9Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Oct 9, 2003 → Feb 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD538303S1 | Bulldozer | General | 11 | Expired |
| USD552629S1 | Bulldozer | General | 10 | Expired |
| US7401673B2 | Frame structure for construction machine | Performing Operations; Transporting | 8 | Active |
| US8695722B2 | Bulldozer with improved visibility | Fixed Constructions | 4 | Expired |
| US10837193B2 | Lever lock post holder | Physics | 1 | Active |
| US11110190B1 | Currency bill dispenser with radiation sterilization | Human Necessities | 0 | Active |
| US9499957B2 | Bulldozer with improved visibility | Fixed Constructions | 0 | Active |
| US12195251B2 | Straw gripper and tab separator for disposable cup or lid and methods of use | Performing Operations; Transporting | 0 | Active |
| US10739194B2 | Indexed multiple slit slider | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.