Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921615 | Separation of solid particles of various sizes from viscous liquids | Walter Lindoerfer, Kai-Udo Sewe, Burkhard Ziebolz, Fritz Wagner | 1990-05-01 |
| 4886393 | Pretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities of salt caverns via a downpipe under the force of gravity | Walter Lindoerfer, Friedel Wartenpfuhl | 1989-12-12 |
| 4692061 | Process for dumping of particulate solid waste materials in underground salt enclosed cavitives | Walter Lindorfer | 1987-09-08 |
| 4663039 | Apparatus for removal of oil from water and adsorbents using glycolipids | Walter Lindorfer, Walther Schulz, Fritz Wagner | 1987-05-05 |
| 4577999 | Process for storing liquid waste in salt cavities | Walter Lindorfer, Lutz J. Gerschler, Berthold Jandel, Friedel Wartenpfuhl | 1986-03-25 |
| 4576513 | Process for terminal storage of pumpable wastes | Walter Lindorfer | 1986-03-18 |
| 4427528 | Process for extracting crude oil from tar sands | Walter Lindorfer, Walther Schulz, Fritz Wagner | 1984-01-24 |
| 4392892 | Process for separating hydrocarbons from particulate solids | Fritz Wagner, Walter Lindorfer, Walther Schulz | 1983-07-12 |
| 4374735 | Method for removal of oil from sorbents using glycolipids | Walter Lindorfer, Walther Schulz, Fritz Wagner | 1983-02-22 |
| 4284509 | Process for removing oils or petroleum from the surface of the sea | Walter Lindorfer, Fritz Wagner, Walther Schulz | 1981-08-18 |