Walter Gramlich
30Patents
7h-index
43Co-inventors
69Inventor score
Filing activity: Sep 11, 1980 → Oct 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7157667B2 | Cooking device | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4617303A | 7-aminoazolo[1,5-a]pyrimidines and fungicides containing these | Chemistry; Metallurgy | 20 | Expired |
| US4847425A | Prepartion of 4-isopropylcyclohexylmethanol and its alkyl ethers | Chemistry; Metallurgy | 14 | Expired |
| US6555794B2 | Electric stove for cooking food having an electrically heated cooking surface | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4784985A | Substituted 4-methyl-4,7-dihydro-1,3-dioxepins, their preparation and their use as scents | Chemistry; Metallurgy | 12 | Expired |
| US4654167A | p-Alkoxycyclohexylalkanols and p-alkoxycyclohexylalkyl esters and their use as scents | Chemistry; Metallurgy | 12 | Expired |
| US7252402B2 | Lighting device for baking oven | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4539081A | Preparation of benzaldehyde dialkyl acetals | Chemistry; Metallurgy | 7 | Expired |
| US4831166A | Preparation of alpha-substituted upsilon-butyrolactones | Chemistry; Metallurgy | 6 | Expired |
| US4347388A | 3,6-Dimethyl-3-hydroxy-oct-1-ynes and -oct-1-enes, derivatives of these, and their use as scents, and in the preparation of 3,6-dimethyl-3-hydroxy-octane | Chemistry; Metallurgy | 5 | Expired |
| US5336815A | Preparation of vinyl glycols | Chemistry; Metallurgy | 4 | Expired |
| US4814510A | Novel benzaldehyde derivatives, their preparation, and their use | Chemistry; Metallurgy | 4 | Expired |
| US4374274A | Preparation of .alpha.-methylsubstituted carbonyl compounds | Chemistry; Metallurgy | 4 | Expired |
| US4820389A | Novel benzaldehyde dialkyl acetals and preparation and use thereof | Chemistry; Metallurgy | 4 | Expired |
| USRE32676E | 7-aminozolo[1,5-a]pyrimidines and fungicides containing these | General | 4 | Expired |
| US4758548A | Novel aliphatic aldehydes and their preparation | Chemistry; Metallurgy | 3 | Expired |
| US4751214A | Use of 2-tert-butyl-4-methylcyclohexanol as a scent and as a component of scent compositions | Chemistry; Metallurgy | 3 | Expired |
| US4757051A | 2-tert-butyl-4-methylcyclohexanol derivatives, their preparation and their use as scents | Chemistry; Metallurgy | 3 | Expired |
| US4791098A | 2-methyl-3-(p-methylphenyl)propionitrile, preparation and use thereof as scent | Chemistry; Metallurgy | 2 | Expired |
| US4684743A | Preparation of alpha-substituted .beta.-dicarbonyl, .beta.-cyano-carbonyl and .beta.-dicyano compounds | Chemistry; Metallurgy | 2 | Expired |
| US4720603A | Preparation of p-cymene and homologous alkylbenzenes | Chemistry; Metallurgy | 2 | Expired |
| US7410504B2 | Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents | Chemistry; Metallurgy | 1 | Expired |
| US4806670A | Preparation of .alpha.-substituted .beta.-dicarbonyl and .beta.-cyanocarbonyl compounds | Chemistry; Metallurgy | 1 | Expired |
| US4464370A | Cyclohexene containing morpholines and fungicidal use | Chemistry; Metallurgy | 1 | Expired |
| US4956341A | 3-tert-butyl-40-methoxycyclohexylmethanol, its preparation and its use as a scent | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.