David E. Purcel
5Patents
4h-index
1Co-inventors
39Inventor score
Filing activity: Aug 19, 1991 → Nov 9, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5243929A | Tubular sanitary sight indicator | Physics | 16 | Expired |
| US5743137A | Magnetic float assembly | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5249464A | Sight flow apparatus with cartridge | Physics | 5 | Expired |
| US5343826A | Fluid indicator assemblies for sight flow apparatus | Physics | 4 | Expired |
| US5297429A | Sanitary sight indicator | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.