David Cummins
7Patents
5h-index
5Co-inventors
52Inventor score
Filing activity: May 30, 1995 → Feb 28, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6870657B1 | Electrochromic device | Physics | 355 | Expired |
| US5637349A | Method of reducing dusting tendencies of conveyed particulate material | Performing Operations; Transporting | 16 | Expired |
| US5622561A | Particulate material treatment system and conveyor belt mixing system | Performing Operations; Transporting | 13 | Expired |
| US7253940B2 | Nanoporous and nanocrystalline film and electrochromic device | Physics | 11 | Expired |
| US5499873A | Method of mixing particulate material using a conveyor belt mixing system | Performing Operations; Transporting | 6 | Expired |
| US7576201B2 | Electrochromic compound | Physics | 1 | Active |
| US7358358B2 | Electrochromic compound | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.