Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670034 | Trimable impeller device and system | Richard Kehn, Aaron Strand | 2020-06-02 |
| 9289733 | Mixing apparatus with stationary shaft | James Maxon | 2016-03-22 |
| 7473025 | Mixing impeller with spiral leading edge | — | 2009-01-06 |
| 7331704 | Start-up method for draft tube mixing | Michael Giralico | 2008-02-19 |
| 7168848 | Axial-pumping impeller apparatus and method for magnetically-coupled mixer | Bernd Gigas | 2007-01-30 |
| 6997444 | Radial disc impeller apparatus and method | Ronald J. Weetman, Gary Hodenius | 2006-02-14 |
| 6896246 | Aeration apparatus and method | Ronald J. Weetman, Gary Hodenius | 2005-05-24 |
| 6796707 | Dual direction mixing impeller and method | Bernd Gigas | 2004-09-28 |
| 6142458 | Mixing system for dispersion of gas into liquid media | — | 2000-11-07 |
| 6109449 | Mixing system for separation of materials by flotation | Michael Giralico, Thomas A. Post | 2000-08-29 |
| 5925293 | Mixer sparging apparatus | — | 1999-07-20 |
| 5511881 | Impeller system and method for enhanced-flow pumping of liquids | Thomas A. Post, Michael Joseph Preston | 1996-04-30 |
| 5501523 | Impeller system for mixing and enhanced-flow pumping of liquids | Ronald J. Weetman, Thomas A. Post | 1996-03-26 |
| 5203630 | Side entry fluid mixing | — | 1993-04-20 |
| 5152934 | Mixing system for gas dispersion in liquids or liquid suspensions | Kenneth S. Lally | 1992-10-06 |
| 5118199 | Side entry mixer apparatus | — | 1992-06-02 |
| 5046245 | Methods of fabricating impeller blades for mixing apparatus | Ronald J. Weetman | 1991-09-10 |
| 5005843 | Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus | Stephen L. Markle, William F. Hutchings, Marlin D. Schutte | 1991-04-09 |
| 5006283 | Mixing system for dispersing a compressible fluid such as gas into liquid in a vessel | Marlin D. Schutte, Craig B. Bahr, Ronald J. Weetman | 1991-04-09 |
| 4896971 | Mixing apparatus | Ronald J. Weetman | 1990-01-30 |