Roger Crossley
68Patents
6h-index
15Co-inventors
69Inventor score
Filing activity: Mar 18, 1974 → Apr 28, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6538405B1 | Accessory control system | Electricity | 36 | Expired |
| US4183854A | Thiazole compound | Chemistry; Metallurgy | 25 | Expired |
| US4391752A | Process for preparing 5H-pyrrolo[2,1-c]-[1,4]thiazepine-1,5-diones | Chemistry; Metallurgy | 24 | Expired |
| US4889846A | 3-(2,5-disubstituted phenylazo)-4-substituted phenylalkan-1-oic acids and esters thereof and method of treating inflammatory disorders therewith | Human Necessities | 10 | Expired |
| US4327102A | Certain 2-(phenyl sulfinylmethyl or ethyl) pyridine derivatives, composition containing same and method of using same | Chemistry; Metallurgy | 9 | Expired |
| US4394509A | 2-[(Phenylthio)methyl or ethyl]pyridine derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4343805A | Heterocyclic compounds | Chemistry; Metallurgy | 5 | Expired |
| US5112832A | Certain cyclopenta[b]pyridines and 5,6,7,8-tetrahydroquinolines having anti-inflammatory activity | Chemistry; Metallurgy | 3 | Expired |
| US4506082A | Process for preparing 1-(3-bromo-2-alkylpropanoyl)-l-proline derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4337259A | Pyridine derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4304781A | Treatment of ulcers and hypertension | Chemistry; Metallurgy | 3 | Expired |
| US4539406A | Preparation of fused carbocyclic ring derivatives of pyridine | Chemistry; Metallurgy | 3 | Expired |
| US4009169A | 8-Carboxylester, and 8-carbamyl derivitives of 5,6,7,8-tetrahydroquinoline | Chemistry; Metallurgy | 3 | Expired |
| US4085215A | Certain 5,6,7,8-tetrahydroquinoline-8-thiocarboxamides | Chemistry; Metallurgy | 3 | Expired |
| US4349480A | Process for preparing 1-(3-bromo-2-alkylpropanoyl-L-proline derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4975431A | Certain anti-inflammatory cyclohepta[b]pyridines and analogs thereof | Chemistry; Metallurgy | 2 | Expired |
| US4547510A | 8-Benzylidene-5,6,7,8-tetrahydroquinoline derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5001131A | Pyridine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4728658A | Pyridine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4031102A | Cyclopenteno[b]pyridine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5708026A | Cyclohexane derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4249012A | Certain 4-formamidothiazoles | Chemistry; Metallurgy | 2 | Expired |
| US4837329A | Quinoline derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5821251A | Nitrogen heterocycles | Chemistry; Metallurgy | 2 | Expired |
| US4011225A | 8-Cyano-5,6,7,8-tetrahydroquinoline derivatives | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.