David E. Daw
16Patents
3h-index
6Co-inventors
53Inventor score
Filing activity: Nov 16, 1983 → Sep 25, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4558892A | Duct assembly system | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US6813977B2 | Screw gun | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8875388B1 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 5 | Active |
| US9027376B2 | Apparatus and method for inserting angle plates and closing duct seams | Emerging Cross-Sectional Technologies | 2 | Active |
| US7562800B2 | Screw gun | Emerging Cross-Sectional Technologies | 2 | Active |
| US9151513B1 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 2 | Active |
| US9377213B2 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 1 | Active |
| US9157653B2 | Apparatus and method for inserting angle plates and closing duct seams | Emerging Cross-Sectional Technologies | 1 | Active |
| US9545695B2 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 1 | Active |
| US11213878B2 | Apparatus and method for forming duct flanges and duct work | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8959755B2 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 1 | Active |
| US6988303B2 | Screw gun | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9925627B2 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 0 | Active |
| US11697147B2 | Apparatus and method for forming duct flanges and duct work | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12257618B1 | Apparatus and method for closing duct seams and for inserting angle plates and closing duct seams | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9937592B2 | Apparatus and method for placement of angle plates in transverse duct flanges | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.