Willy Meyer
121Patents
15h-index
50Co-inventors
89Inventor score
Filing activity: Dec 5, 1973 → May 26, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4634465A | Fused N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'triazinylureas | Chemistry; Metallurgy | 54 | Expired |
| US4579583A | Novel sulfonylureas | Chemistry; Metallurgy | 41 | Expired |
| US4518776A | Process for producing sulfonylureas | Chemistry; Metallurgy | 31 | Expired |
| US4549898A | N-Heterocyclosulfonyl-N'-pyrimidinylureas and N-heterocyclosulfonyl-N'-triazinylureas | Human Necessities | 24 | Expired |
| US4478635A | N-Arylsulfonyl-N'-pyrimidinylureas | Chemistry; Metallurgy | 21 | Expired |
| US4054575A | 1,2,4-Triazolyl-phosphoric acid and phosphonic acid esters | Chemistry; Metallurgy | 21 | Expired |
| US4741760A | Pyrimidine derivatives having a herbicidal action and an action regulating plant growth | Chemistry; Metallurgy | 21 | Expired |
| US4479821A | N-Phenylsulfonyl-N'-triazinylureas | Human Necessities | 20 | Expired |
| US4664695A | N-phenylsulfonyl-N'-pyrimidinylureas as herbicides and plant growth regulants | Chemistry; Metallurgy | 19 | Expired |
| US4443243A | N-Phenylsulfonyl-N-triazinylureas | Chemistry; Metallurgy | 18 | Expired |
| US4480101A | Fluoroalkoxy-aminopyrimidines | Chemistry; Metallurgy | 18 | Expired |
| US4671819A | N-phenylsulfonyl-N'-triazinylureas | Chemistry; Metallurgy | 18 | Expired |
| US4419121A | N-Phenylsulfonyl-N'-pyrimidinylureas | Human Necessities | 18 | Expired |
| US4579584A | N-phenylsulfonyl-N'-triazinylureas | Chemistry; Metallurgy | 16 | Expired |
| US4690707A | Sulfonylureas | Chemistry; Metallurgy | 16 | Expired |
| US4425154A | N-Phenylsulfonyl-N'-pyrimidinylureas | Human Necessities | 15 | Expired |
| US4632695A | N-phenylsulfonyl-N'-triazinylureas as herbicides and plant growth regulants | Chemistry; Metallurgy | 15 | Expired |
| US5209771A | Sulfonylureas | Chemistry; Metallurgy | 14 | Expired |
| US4468923A | Process and plant for generating electrical energy | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4476321A | O-Substituted phenylsulfonamides | Human Necessities | 12 | Expired |
| US4545811A | N-Phenylsulfonyl-N'-triazinyl-ureas | Chemistry; Metallurgy | 12 | Expired |
| US4510325A | Phenyl sulfonamides | Human Necessities | 11 | Expired |
| US4537618A | N-phenylsulfonyl-N'-pyrimidinylureas | Human Necessities | 10 | Expired |
| US4795486A | Aminopyrazinones and aminotriazinones | Chemistry; Metallurgy | 10 | Expired |
| US4618363A | N-phenylsulfonyl-N'-triazinylureas | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.