David Harper
5Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: Sep 10, 1979 → Nov 4, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD266366S | Welsh miner's lamp | General | 2 | Expired |
| US6790868B2 | Non-halogenated phenoxy and/or benzyloxy substituted phenols, antimicrobial compositions containing the same, and methods of using the same | Chemistry; Metallurgy | 2 | Expired |
| US6838583B2 | Non-halogenated naphthol compounds, antimicrobial compositions containing the same, and the methods of using the same | Chemistry; Metallurgy | 1 | Expired |
| US7211700B2 | Non-halogenated phenyl substituted phenols, antimicrobial compositions containing the same, and methods of using the same | Chemistry; Metallurgy | 1 | Expired |
| US9259113B2 | Cordless electrical appliances | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.