John E. Engelhart
11Patents
3h-index
9Co-inventors
45Inventor score
Filing activity: Aug 17, 1976 → Dec 22, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4442122A | 1,2-Dibromo-2-cyanoalkane antimicrobial compounds | Chemistry; Metallurgy | 10 | Expired |
| US4496581A | 1,2-Dibromo-2-cyano-2-(heterocyclic)alkane compounds and antimicrobial use thereof | Chemistry; Metallurgy | 5 | Expired |
| US4191698A | Tricyclopentyltin fluoride | Chemistry; Metallurgy | 4 | Expired |
| US4366170A | 1,2-Dibromo-2-cyano-2-(aryl)ethane(propane) antimicrobial compounds | Chemistry; Metallurgy | 3 | Expired |
| US4397851A | 2,3-Dihalo-2,3-(disubstituted) propanoate antimicrobial compounds | Human Necessities | 2 | Expired |
| US4224338A | Simultaneous fungicidal and miticidal protection of plants employing certain tin compounds | Human Necessities | 2 | Expired |
| US4212885A | Insecticidal compositions containing certain tetraorganotin compounds and method for using same | Chemistry; Metallurgy | 1 | Expired |
| US4316853A | Insecticidal tetraorganotin compounds | Chemistry; Metallurgy | 1 | Expired |
| US4138483A | Insecticidal compositions containing certain tetraorganotin compounds and method for using same | Chemistry; Metallurgy | 1 | Expired |
| US4212810A | Novel trimethyltetraorganotin compounds | Chemistry; Metallurgy | 1 | Expired |
| US4130411A | Compositions for regulating undesirable plant growth | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.