HTP, INC.
Patent Applications and Registrations
Patent applications and USPTO patent grants for HTP, INC..The latest application filed is for "corrugated indirect water heater coil".
- HTP, INC. - East Freetown MA US
- HTP, Inc. -
Trademarks
| Patent | Date |
|---|---|
| Heat exchanger Grant 10,024,572 - Stephens , et al. July 17, 2 | 2018-07-17 |
| Heat exchanger Grant D767,107 - Stephens , et al. September 20, 2 | 2016-09-20 |
| Corrugated Indirect Water Heater Coil App 20140261242 - Rode; Spencer ; et al. | 2014-09-18 |
| Method And System For Controlling Efficiency Of Heating System App 20110259322 - DAVIS; DAVID B. ; et al. | 2011-10-27 |
| Bivalent water heating system App 20090139513 - Davis; David | 2009-06-04 |
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