Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811693 | Object for receiving and storing useful means | — | 1989-03-14 |
| 4786905 | Wind shear detector head-up display system | — | 1988-11-22 |
| 4785764 | Apparatus for receiving and storing useful organisms and process for the production thereof | — | 1988-11-22 |
| 4727147 | Optically active 1-(4-methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinolinium acetates | Willi Wintermeyer, Fritz Reiff, Josef Conti | 1988-02-23 |
| 4725811 | Wind shear detection and alerting system | John Howard Glover | 1988-02-16 |
| 4647967 | Head-up display independent test site | Robert KIRSCHNER | 1987-03-03 |
| 4644494 | Solid state memory for aircraft flight data recorder systems | — | 1987-02-17 |
| 4604201 | Filter | — | 1986-08-05 |
| 4591446 | Method of filtering and a device for filtering solid-containing liquids | — | 1986-05-27 |
| 4578192 | Filter cloth for a disk filter | — | 1986-03-25 |
| 4578197 | Method of and filter thickener for thickening of suspensions | — | 1986-03-25 |
| 4537714 | Process for the preparation of lower alkyl esters of N-L-.alpha.-aspartyl-L-phenylalanine and of new intermediates for their preparation | Heinrich Bollinger | 1985-08-27 |
| 4535062 | Apparatus for growing microorganisms | — | 1985-08-13 |
| 4511471 | Filter apparatus for continuously thickening suspensions | — | 1985-04-16 |
| 4500435 | Method and apparatus for cleaning pressure filters | — | 1985-02-19 |
| 4488965 | Arrangement for fastening filter candles and filter apparatus provided therewith | Ivo Schumacher | 1984-12-18 |
| 4473472 | Filter element | — | 1984-09-25 |
| 4443346 | Method of cleaning filter elements | — | 1984-04-17 |
| 4439327 | Backwash multiple alluvial filter and method of filtering therewith | — | 1984-03-27 |
| 4436814 | Method for the recovery of enzymes after the treatment of starch-containing raw materials used for the production of fermentation alcohol | Hans Peter Knopfel, Felix Muller, Rolf H. Kretz | 1984-03-13 |
| 4428969 | Process for the extraction of date fruits | Rudolf Gayler, Nikolas Rapsomanikis | 1984-01-31 |
| 4419244 | Method and arrangement for aeration of liquids | Felix Muller | 1983-12-06 |
| 4413323 | Digital symbol generator with symbol error checking | — | 1983-11-01 |
| 4404106 | Filter apparatus and a method of cleaning filter elements thereof | Bruno Guazzone | 1983-09-13 |
| 4400399 | Method and an arrangement for feeding fish with a fodder | — | 1983-08-23 |