Daniel Roy
11Patents
4h-index
3Co-inventors
53Inventor score
Filing activity: Nov 22, 1983 → Sep 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6401866B1 | Machine for leveling a ladder on an uneven surface | Fixed Constructions | 21 | Expired |
| US6568026B2 | Portable back pack vacuum | Human Necessities | 17 | Expired |
| US8178795B2 | Method for retrofitting air plenum grommets | Electricity | 8 | Active |
| US4561312A | Turbine for a multijet liquid flow meter | Physics | 5 | Expired |
| US10400525B2 | Rod positioning device | Fixed Constructions | 1 | Active |
| US10047960B2 | Heating device | Human Necessities | 0 | Active |
| US11125029B2 | Rod positioning device | Fixed Constructions | 0 | Active |
| US9227192B2 | Chipper striker assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US9095854B2 | Chipper striker assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US11067283B2 | Heating device | Human Necessities | 0 | Active |
| US11719053B2 | Method of using a rod positioning device | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.