Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155395 | Pressure relief valve with floating diaphragm | Herbert Stotkiewitz, Jenny Haase | 2021-10-26 |
| 8668828 | Sanitary spiral wound filtration cartridge | Matthew Tanner | 2014-03-11 |
| 7613498 | Device for supporting a patient for computer tomographs | Frank Bartels, Stefan Leidenberger | 2009-11-03 |
| 7585411 | Low pressure filtration | Michael Snodgrass | 2009-09-08 |
| 6986603 | Above-table transillumination device with swivel-lockable X-ray radiator | Franz Fadler, Stefan Leidenberger | 2006-01-17 |
| 6755970 | Back-flushable spiral wound filter and methods of making and using same | Seymour S. Kremen, Hans A. Thomason, Matthew Tanner | 2004-06-29 |
| 5985146 | Sanitary rigid shell spiral wound element | Daniel F. Quigg, Ronald Magnani | 1999-11-16 |
| 4855058 | High recovery spiral wound membrane element | Eric Holland, Fredrick K. Lesan | 1989-08-08 |