Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10688460 | Device for mixing and metering at least two gases | — | 2020-06-23 |
| 5105781 | Air-compressing internal combustion engine with self-ignition, with a main combustion space and an insert adjoining the latter, accommodated in the cylinder head and having an antechamber | Manfred Fortnagel, Gerhard Jaeger, Volker Heiderich | 1992-04-21 |
| 4673760 | Process for the preparation of vinylcyclopropanecarboxylic acid derivatives | — | 1987-06-16 |
| 4562270 | Process for preparing unsaturated six-membered lactones | — | 1985-12-31 |
| 4524216 | Method of preparing p-orsellinic acid esters | — | 1985-06-18 |
| 4508914 | 3H-Furanones | — | 1985-04-02 |
| 4424369 | Substituted pyran-2-ones | — | 1984-01-03 |
| 4420629 | Method of preparing 3-alkyl-6-methyl-.beta.-resorcylic acid esters | — | 1983-12-13 |
| 4347815 | Air-compressing internal combustion engine with a precombustion chamber | — | 1982-09-07 |
| 4348535 | Substituted lactones and processes for their preparation | — | 1982-09-07 |
| 4198341 | 2,5,5-Trimethyl-3-carbalkoxy-4(.beta.,.beta.-di halovinyl)-4,5-dihydrofurans | — | 1980-04-15 |
| 4198342 | Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters | — | 1980-04-15 |
| 4198343 | Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters | — | 1980-04-15 |
| 4182910 | Method of preparing orthoacetic acid alkyl esters | Gerhard Daum, Wilhelm Vogt | 1980-01-08 |