Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222484 | Centrifugal pump casing with offset discharge | — | 2015-12-29 |
| 7534098 | Suction distribution and disconnection system for a submersible pump | David V. Rondosh | 2009-05-19 |
| 6010687 | Deodorant composition | Caroline-Ann Margaret Cox | 2000-01-04 |
| 5314622 | Dual purpose oxygenator | — | 1994-05-24 |
| 5195867 | Slurry pump shaft seal flushing | — | 1993-03-23 |
| 5085809 | Apparatus for gas absorption in a liquid | — | 1992-02-04 |
| 5045202 | Centrifugal oxygenator for treatment of waste water and system | Donald M. Stearns, Walter D. Haentjens | 1991-09-03 |
| 5043104 | Apparatus for gas absorption in a liquid | — | 1991-08-27 |
| 5004484 | Air stripping of liquids using high intensity turbulent mixer | John R. Ackerman | 1991-04-02 |
| 4917577 | High speed centrifugal oxygenator | — | 1990-04-17 |
| 4913619 | Centrifugal pump having resistant components | Walter D. Haentjens | 1990-04-03 |
| 4877532 | Centrifugal oxygenator and method for treatment of waste water | Walter D. Haentjens | 1989-10-31 |