Hugh Cairns
19Patents
6h-index
18Co-inventors
63Inventor score
Filing activity: Aug 26, 1971 → May 4, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7286917B2 | Method of detecting vehicle speed sensor failure | Physics | 26 | Expired |
| US4419352A | Pyranoquinolinones and analogs thereof | Chemistry; Metallurgy | 23 | Expired |
| US4409237A | Pharmaceutical compositions containing sodium chromoglycate and .beta.2 selective bronchodilators | Human Necessities | 11 | Expired |
| US4474787A | 7,6 Dioxo-4H,6H-pyrano[3,2-g]quinoline dicarboxylic acids and anti-allergic use thereof | Chemistry; Metallurgy | 11 | Expired |
| US4156726A | 4-Oxo-2-carboxyl quinoline derivatives used as antiallergic compounds | Chemistry; Metallurgy | 10 | Expired |
| US4328230A | N-Substituted-quinolin-4-one-2-carboxic acid derivatives | Chemistry; Metallurgy | 10 | Expired |
| US3952104A | Benzopyran-2-carboxylic acids in the prevention of asthmatic symptoms | Chemistry; Metallurgy | 4 | Expired |
| US4293541A | Compounds | Chemistry; Metallurgy | 4 | Expired |
| US3933844A | Benzopyranyltetrazoles | Chemistry; Metallurgy | 2 | Expired |
| US4055654A | 6,8-Di-t-butyl-4-oxo-4H-1-benzopyran-2-carboxylic acid and derivative for the prevention of asthmatic symptoms | Chemistry; Metallurgy | 2 | Expired |
| US4029802A | The treatment of asthma, hay fever or urticaria | Chemistry; Metallurgy | 1 | Expired |
| US3948954A | Bis-chromone-tetrazole/hydroxamic/carboxylic acids | Chemistry; Metallurgy | 1 | Expired |
| US4085115A | Carboxamido tetrazoles | Chemistry; Metallurgy | 0 | Expired |
| US4064256A | Benzopyranyltetrazoles as antiasthma agents | Chemistry; Metallurgy | 0 | Expired |
| US4335048A | 5-(2-Hydroxypropoxy)-8-propyl-4H-1-benzopyran-4-one-2-carboxylic acid | Chemistry; Metallurgy | 0 | Expired |
| US3933845A | Benzopyranyltetrazoles | Chemistry; Metallurgy | 0 | Expired |
| US4211788A | Compounds | Chemistry; Metallurgy | 0 | Expired |
| US4239748A | Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran useful for the treatment of asthma and hay fever | Chemistry; Metallurgy | 0 | Expired |
| US4228173A | Thiopyrano-benzopyrans, compositions and method of use thereof | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.