Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10054124 | Submersible water circulation system for enclosed tanks | Joel J. Bleth, Willard R. Tormaschy, Corey M. Simnioniw, Jonathan L. Zent | 2018-08-21 |
| 10029924 | Method and apparatus for treating potable water in municipal and similar water tanks | Corey M. Simnioniw, Jonathan L. Zent, Willard R. Tormaschy, Joel J. Bleth, Gary A. Kudrna | 2018-07-24 |
| 9726162 | Submersible water circulation system for enclosed tanks | Joel J. Bleth, Willard R. Tormaschy, Corey M. Simnioniw, 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, Jonathan L. Zent, Corey M. Simnioniw, Willard R. Tormaschy | 2017-03-07 |
| 8911219 | Submersible water circulation system for enclosed tanks | Joel J. Bleth, Willard R. Tormaschy, Corey M. Simnioniw, 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 | Corey M. Simnioniw, Jonathan L. Zent, Joel J. Bleth, Willard R. Tormaschy | 2013-09-03 |
| 8226292 | Submersible, circulation system for relatively small bodies of water such as a small pond | Willard R. Tormaschy, Joel J. Bleth, Corey M. Simnioniw, Allan V. Tuhy, Gary A. Kudrna +1 more | 2012-07-24 |
| 5959221 | Automatic closed tube sampler | Robert R. Boyd, Brad W. Filkins, Gregory Gates, Mark E. Holubar, Steven Zimmerman +2 more | 1999-09-28 |
| 5861563 | Automatic closed tube sampler | Robert R. Boyd, Brad W. Filkins, Gregory Gates, Mark E. Holubar, Steven Zimmerman +2 more | 1999-01-19 |