Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10054124 | Submersible water circulation system for enclosed tanks | Douglas P. Walter, Joel J. Bleth, Willard R. Tormaschy, Jonathan L. Zent | 2018-08-21 |
| 10029924 | Method and apparatus for treating potable water in municipal and similar water tanks | Jonathan L. Zent, Willard R. Tormaschy, Joel J. Bleth, Gary A. Kudrna, Douglas P. Walter | 2018-07-24 |
| 9908792 | Portable unit for treating potable water in municipal and similar water distribution systems | Jonathan L. Zent, Gary A. Kudrna, Willard R. Tormaschy, Joel J. Bleth | 2018-03-06 |
| 9726162 | Submersible water circulation system for enclosed tanks | Douglas P. Walter, Joel J. Bleth, Willard R. Tormaschy, Jonathan L. Zent | 2017-08-08 |
| 9586184 | Air-powered water circulation systems for ponds, lakes, municipal water tanks, and other bodies of water | Joel J. Bleth, Douglas P. Walter, Jonathan L. Zent, Willard R. Tormaschy | 2017-03-07 |
| 8911219 | Submersible water circulation system for enclosed tanks | Douglas P. Walter, Joel J. Bleth, Willard R. Tormaschy, Jonathan L. Zent | 2014-12-16 |
| 8523984 | Water circulation systems with air stripping arrangements for municipal water tanks, ponds, and other potable bodies of water | Jonathan L. Zent, Douglas P. Walter, Joel J. Bleth, Willard R. Tormaschy | 2013-09-03 |
| 8500321 | Collapsible water circulation system for enclosed tanks | Gary A. Kudrna, Willard R. Tormaschy, Jonathan L. Zent, Joel J. Bleth | 2013-08-06 |
| 8388837 | Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Joel J. Bleth, Lawrence John Weber, Jonathan L. Zent +1 more | 2013-03-05 |
| 8226292 | Submersible, circulation system for relatively small bodies of water such as a small pond | Douglas P. Walter, Willard R. Tormaschy, Joel J. Bleth, Allan V. Tuhy, Gary A. Kudrna +1 more | 2012-07-24 |
| 8057091 | Water circulation systems for ponds, lakes, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Tait J. Obritsch, Joel J. Bleth | 2011-11-15 |
| 7906017 | Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Tait J. Obritsch, Joel J. Bleth, Lawrence John Weber +2 more | 2011-03-15 |
| 7789553 | Water circulation systems for ponds, lakes, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Tait J. Obritsch, Joel J. Bleth | 2010-09-07 |
| 7670044 | Water circulation systems for ponds, lakes, and other bodies of water with adjustable solar panels | Willard R. Tormaschy, Gary A. Kudrna, Tait J. Obritsch, Joel J. Bleth | 2010-03-02 |
| 7641792 | Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Joel J. Bleth, Jonathan L. Zent | 2010-01-05 |
| 7517460 | Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Joel J. Bleth, Jonathan L. Zent | 2009-04-14 |
| 7332074 | Water circulation systems for ponds, lakes, and other bodies of water | Willard R. Tormaschy, Gary Kudma, Talt J Obritsch, Joel J. Bleth | 2008-02-19 |
| 7306719 | Water circulation systems for ponds, lakes, and other bodies of water | Willard R. Tormaschy, Gary A. Kudrna, Tait J. Obritsch, Joel J. Bleth | 2007-12-11 |