Sidney J. Lampley
9Patents
9h-index
15Co-inventors
66Inventor score
Filing activity: Jun 8, 1984 → Dec 30, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7316096B2 | Door operator | Fixed Constructions | 60 | Expired |
| US8499495B2 | Door operator | Fixed Constructions | 32 | Active |
| US7469942B2 | Delayed egress exit device | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7484333B2 | Method of using a door operator | Fixed Constructions | 26 | Active |
| US5077994A | Door lock having removable outside lever handle for the purpose of changing the key cylinder | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4623174A | Latchbolt with adjustable backset | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8109038B2 | Door operator | Fixed Constructions | 21 | Active |
| US4598939A | Exit device | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7832778B2 | Delayed egress exit device | Emerging Cross-Sectional Technologies | 17 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.