Daniel C. Duggan
13Patents
6h-index
—Co-inventors
53Inventor score
Filing activity: Oct 2, 1978 → May 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6026545A | Universal restraint clip fitting | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4249568A | Backflow preventer valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7819364B2 | Hanger rod stiffening clip | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US10036487B2 | Bracket and bracket system for seismic cable sway bracing system | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US7984534B2 | Cable restraint clip | Emerging Cross-Sectional Technologies | 9 | Active |
| US4321942A | Backflow preventer valve | Emerging Cross-Sectional Technologies | 9 | Expired |
| US9441656B2 | Strut and clip assembly for stiffening a hanger rod | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US10662990B2 | Strut and clip assembly for stiffening a hanger rod | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10087967B2 | Strut and clip assembly for stiffening a hanger rod | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10041519B2 | Strut and clip assembly for stiffening a hanger rod | General | 0 | Revoked |
| US11181136B2 | Strut and clip assembly for stiffening a hanger rod | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11639732B2 | Strut and clip assembly for stiffening a hanger rod | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12215734B2 | Strut and clip assembly for stiffening a hanger rod | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.