Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313075 | High efficiency hydronic circulator with sensors | Steve Thompson, Vladislav Milchev Stakev, Robert F. Birkenstock, JR., Douglas Bird | 2025-05-27 |
| 11999866 | Polymalonate and cyanoacrylate based surface concrete sealers | Michael Czaplicki, Ken Mazich, Yuan Lu, Kevin Hicks, Austin O'Connor | 2024-06-04 |
| 8511296 | Solar heating systems | — | 2013-08-20 |
| 7708010 | Solar heating systems | — | 2010-05-04 |
| 7048200 | Integrated injection-pumping fixture for transferring heat between higher and lower-temperature loops in a hydronic heating system | — | 2006-05-23 |
| 7044398 | Integrated fixture for transferring heat between higher and lower-temperature loops in a hydronic heating system | — | 2006-05-16 |
| 5641818 | Aqueous, essentially voc-free adhesive epoxy primer | — | 1997-06-24 |
| 5576061 | Aqueous, essentially VOC-free adhesive epoxy primer | — | 1996-11-19 |
| 5461090 | Aqueous, essentially VOC-free adhesive epoxy primer | — | 1995-10-24 |
| D259773 | Cross mobile | — | 1981-07-07 |