Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10449265 | High efficiency ultra-violet reactor | — | 2019-10-22 |
| D843554 | Air purifier | — | 2019-03-19 |
| 9931601 | Venturi bypass system and associated methods | Joseph Tessitore, Seth Darrell Renigar | 2018-04-03 |
| 9855362 | High intensity air purifier | — | 2018-01-02 |
| 9408937 | Photo-catalyzing fluid mobilizing system and method | — | 2016-08-09 |
| 9402931 | High intensity air purifier | — | 2016-08-02 |
| 9162903 | Photo-catalyzing fluid mobilizing system and method | — | 2015-10-20 |
| D714923 | Air purifier | Julian Groeli, Matthew Kranz, Delbert Dale Johnson | 2014-10-07 |
| 8734724 | High intensity air purifier | — | 2014-05-27 |
| 8277735 | High intensity air purifier | — | 2012-10-02 |
| 8161579 | Toilet tank mounted odor eliminator | Raymond P. Denkewicz, Jr. | 2012-04-24 |
| 8066940 | Apparatus and method for removing arsenic and inorganic compositions from water | Raymond P. Denkewicz, Jr. | 2011-11-29 |
| 8066941 | Apparatus and method for purifying water in a storage tank | Raymond P. Denkewicz, Jr. | 2011-11-29 |
| 8017073 | High intensity air purifier | — | 2011-09-13 |
| 7794608 | Apparatus and method for treating water with ozone | Raymond P. Denkewicz, Jr. | 2010-09-14 |
| 7033502 | UV lamp supported filter cartridge | Stephen P. Kasten | 2006-04-25 |
| 6830686 | Filter cartridge support | Stephen P. Kasten | 2004-12-14 |
| 6461520 | User-activated ultra-violet water treatment unit | Stephen P. Kasten | 2002-10-08 |
| 6267895 | Catalytic dental water apparatus | Stephen P. Kasten | 2001-07-31 |
| 5942125 | Dental unit water purifier | Stephen P. Kasten | 1999-08-24 |
| 5709799 | Super ozonating water purifier | — | 1998-01-20 |
| 5540848 | Filter retainer for water purification unit | — | 1996-07-30 |
| D357058 | Water purification unit | — | 1995-04-04 |
| 5266215 | Water purification unit | — | 1993-11-30 |