Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7662283 | Modular drinking water filtration system with locking arrangement to assure filter cartridge compatibility | Paul W. Eserkaln, Terry P. Zerger, Thomas E. Gaffney | 2010-02-16 |
| 7540955 | Photocatalytic water treatment apparatus | Gary L. Hatch, Michael J. Kurth, Marc A. Anderson | 2009-06-02 |
| 7540956 | Modular drinking water filtration system with removable and replaceable RO spindle | Michael J. Kurth, Terry P. Zerger, Paul W. Eserkaln | 2009-06-02 |
| 6436282 | Flow control module for RO water treatment system | Robert R. Gundrum, Michael J. Kurth | 2002-08-20 |
| D456486 | Filter housing header | Michael J. Kurth | 2002-04-30 |
| D455194 | Filter housing header | Michael J. Kurth | 2002-04-02 |
| 5891334 | Filter cartridge retaining assembly | Robert R. Gundrum, Robert G. Schumacher, II | 1999-04-06 |
| 5852835 | Plumbing nozzle | John A. Fiumefreddo, Michael J. Kurth | 1998-12-29 |
| 5701388 | Combined heater and pump | Isadore Balan, Kenneth J. Sieth | 1997-12-23 |
| 5321860 | Shower enclosure assembly | Kathleen S. DeKeyser, Kenneth J. Sieth | 1994-06-21 |
| 5299743 | Body spray nozzle | Kenneth J. Sieth, Kathleen S. DeKeyser, David K. Rische | 1994-04-05 |
| 5205490 | Body spray nozzle | Kathleen S. DeKeyser, Kenneth J. Sieth, David K. Rische | 1993-04-27 |
| 5143121 | Fluid pulse generating apparatus | Kathleen S. DeKeyser, Jeffrey F. Tempas | 1992-09-01 |
| 5046201 | Pressurized flush toilet tank | Mark A. Risberg, John M. Bloemer | 1991-09-10 |