Derek V. Gardner
19Patents
5h-index
3Co-inventors
51Inventor score
Filing activity: Jan 26, 1976 → Mar 25, 1983
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4113869A | Tetrahydroisoquinoline basic ethers and pharmaceutical compositions and methods employing them | Chemistry; Metallurgy | 53 | Expired |
| US4342238A | Automotive drive system with continuously variable transmission | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4234726A | Heterocyclic containing chromans | Chemistry; Metallurgy | 6 | Expired |
| US4093631A | 7-Aminopropoxy chromane and chromenes | Chemistry; Metallurgy | 6 | Expired |
| USD247192S | Model racing car | General | 6 | Expired |
| US4079066A | 4-Naphthyl derivatives of 7-aminoalkylenoxy-2H-chromene | Chemistry; Metallurgy | 5 | Expired |
| US4146539A | Anorexic chromans | Chemistry; Metallurgy | 4 | Expired |
| US4139621A | N-(4-substituted-3,5-dichloro-phenyl)-piperazines | Chemistry; Metallurgy | 3 | Expired |
| US4080335A | Anorexic chromans | Chemistry; Metallurgy | 2 | Expired |
| US4148909A | Chromans to treat depression and reduce appetite | Chemistry; Metallurgy | 1 | Expired |
| US4322370A | Polycyclic compounds | Chemistry; Metallurgy | 1 | Expired |
| US4469697A | Pentacyclic compounds, their pharmaceutical compositions, and methods of use | Chemistry; Metallurgy | 1 | Expired |
| US4167515A | Anorexic chromans | Chemistry; Metallurgy | 1 | Expired |
| US4153617A | Anorexic chromans | Chemistry; Metallurgy | 0 | Expired |
| US4133883A | Polycyclic chromenes useful as antidepressants and anorexics | Chemistry; Metallurgy | 0 | Expired |
| US4442098A | Pentacyclic derivatives of piperazine | Chemistry; Metallurgy | 0 | Expired |
| US4097480A | 2,2-Dimethyl-7-amine-alkoxy-4-aryltetra-hydroquinaline derivatives | Chemistry; Metallurgy | 0 | Expired |
| US4235126A | Transmission mechanism | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| USRE30739E | Anorexic chromans | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.