Peter Lefferson
7Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: May 27, 1975 → Sep 19, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3985467A | Constant pressure pump | Mechanical Engineering; Lighting; Heating | 147 | Expired |
| US5959533A | Tamper detection for body worn transmitter | Physics | 87 | Expired |
| US6955448B1 | Under the bed night light | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7267460B2 | Adjustable beams night light | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4484141A | Device for isoelectric focusing | Physics | 3 | Expired |
| USD928944S1 | Pill spoon | General | 0 | Active |
| US7500647B2 | Jar holder | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.