David A. Winslow
11Patents
4h-index
18Co-inventors
53Inventor score
Filing activity: Aug 7, 2003 → Dec 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7931123B2 | Stepladder folding twin-step | Emerging Cross-Sectional Technologies | 47 | Active |
| US7306075B2 | Dynamic hinge for ladder | Fixed Constructions | 15 | Expired |
| US8490747B2 | Telescoping project tray | Fixed Constructions | 12 | Active |
| US7165649B2 | Positioning system for folding ladder and method of installation of folding ladder using positioning system | Fixed Constructions | 5 | Expired |
| US9272168B2 | Energy absorbers, connectors and horizontal lifeline systems | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8616336B2 | Method for a ladder with a ladder leveler | Emerging Cross-Sectional Technologies | 4 | Active |
| US8104578B2 | Stepladder folding twin-step | Emerging Cross-Sectional Technologies | 4 | Active |
| US8261882B2 | Ladder leveler and method | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8256573B2 | Ladder leveler and method | Emerging Cross-Sectional Technologies | 2 | Active |
| US10072689B2 | Stanchion systems, stanchion attachment systems, and horizontal lifeline systems including stanchion systems | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10760337B2 | Ladder leveler and method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.