Thenappan; Subbu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thenappan; Subbu.The latest application filed is for "high efficiency gas-fired water heater".
- Thenappan; Subbu - Montgomery AL
- Thenappan; Subbu - Hillsborough NJ
| Patent | Date |
|---|---|
| High efficiency gas-fired water heater Grant 9,004,018 - Boros , et al. April 14, 2 | 2015-04-14 |
| High Efficiency Gas-fired Water Heater App 20110214621 - Boros; Jozef ; et al. | 2011-09-08 |
| Instantaneous fuel-fired water heater with low temperature plastic vent structure Grant 7,337,752 - Boros , et al. March 4, 2 | 2008-03-04 |
| Pumpless combination instantaneous/storage water heater system Grant 7,298,968 - Boros , et al. November 20, 2 | 2007-11-20 |
| Instantaneous fuel-fired water heater with low temperature plastic vent structure App 20070084420 - Boros; Jozef ; et al. | 2007-04-19 |
| Differently configured fuel-fired water heaters constructed from identical production platforms Grant 7,013,841 - Boros , et al. March 21, 2 | 2006-03-21 |
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