William Heggie
31Patents
8h-index
30Co-inventors
75Inventor score
Filing activity: Jul 5, 1974 → Jun 2, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4760697A | Mechanical power regeneration system | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4679396A | Engine control systems | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6667299B1 | Pharmaceutical compositions and treatment methods | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4027536A | Transducer for engine fuel injection monitoring | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6143161A | Process for the preparation of 4-(des-dimethylamino)-tetracyclines | Chemistry; Metallurgy | 15 | Expired |
| US3937087A | Transducer for engine fuel injection monitoring | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6177560A | Process for the preparation of mometasone furoate | Human Necessities | 10 | Expired |
| US7396827B2 | Pharmaceutical compositions and treatment methods | Emerging Cross-Sectional Technologies | 8 | Expired |
| US3939703A | Apparatus for measuring engine cylinder pressures | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6013778A | Process for the preparation of azithromycin | Human Necessities | 4 | Expired |
| US4655971A | Novel process for the preparation of steroidal esters | Chemistry; Metallurgy | 3 | Expired |
| US4857235A | Process of preparation of novel rhodium hydrogenation catalysts and their application | Performing Operations; Transporting | 3 | Expired |
| US8258327B2 | Crystalline minocycline base and processes for its preparation | Human Necessities | 3 | Active |
| US4911865A | Process of preparation of novel rhodium hydrogenation catalysts | Performing Operations; Transporting | 3 | Expired |
| US4863639A | Application of catalysts containing rhodium | Chemistry; Metallurgy | 3 | Expired |
| US9072679B2 | Particles of tetracyclines and protecting agent | Human Necessities | 2 | Active |
| US5026693A | Novel 9.alpha.-fluoro- or chloro-corticosteroid esters and a process for their preparation | Chemistry; Metallurgy | 2 | Expired |
| US4913892A | Preparation and use of new solvates of beclomethasone 17,21-dipropionate | Chemistry; Metallurgy | 1 | Expired |
| US4968654A | Preparation of a new catalyst containing rhodium | Chemistry; Metallurgy | 1 | Expired |
| US4038868A | Transducer for measuring injection pressures of diesel engines | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US8835672B2 | Manufacture of a triiodinated contrast agent | Chemistry; Metallurgy | 0 | Active |
| US7541494B2 | Process for the manufacture of iohexol | Chemistry; Metallurgy | 0 | Expired |
| US5075470A | Process for the preparation of a rhodium complex | Chemistry; Metallurgy | 0 | Expired |
| US8314218B2 | Method of synthesizing macrolide compounds | Human Necessities | 0 | Active |
| US9670246B2 | Process for the esterification of a carbothioic acid | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.