Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270574 | Leak detection sensor assemblies for water heaters | Joseph D. Gardner, Timothy D. Scott, William Jason Hall, Raheel A. Chaudhry, Gregory M. Welk | 2025-04-08 |
| 12173929 | On-demand heat pump water heater | Christopher M. Hayden | 2024-12-24 |
| 12158287 | Electric water heater having internal heat concentrator | Arthur Y. Hinton, Raheel A. Chaudhry, Gary A. Elder | 2024-12-03 |
| 11788769 | On-demand heat pump water heater | Christopher M. Hayden | 2023-10-17 |
| 11703254 | Electronic control system for electric water heater | Raheel A. Chaudhry, Stephen Maciulewicz | 2023-07-18 |
| 11698209 | Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters | Raheel A. Chaudhry, Yan Hong, Troy E. Trant | 2023-07-11 |
| 11573032 | Water heater pilot operation | Larry D. Kidd, Raheel A. Chaudhry | 2023-02-07 |
| 11460220 | Electric water heater having internal heat concentrator | Arthur Y. Hinton, Raheel A. Chaudhry, Gary A. Elder | 2022-10-04 |
| 11408642 | Leak detection sensor assemblies for water heaters | Joseph D. Gardner, Timothy D. Scott, William Jason Hall, Raheel A. Chaudhry, Gregory M. Welk | 2022-08-09 |
| 11098924 | Combustion tube assembly of a water heater | Piyush Porwal, Ashwin Rao, Jason Hall | 2021-08-24 |
| 11073303 | Combustion tube assembly of a water heater | Piyush Porwal, Ashwin Rao, Jason Hall | 2021-07-27 |
| 10914491 | Heat pump water heater | Troy E. Trant, Hafez Raeisi Fard | 2021-02-09 |
| 10883743 | Water heater with flow bypass | — | 2021-01-05 |
| 10837673 | Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters | Raheel A. Chaudhry, Yan Hong, Troy E. Trant | 2020-11-17 |
| 10837676 | Electric water heater having a bypass | Sina Jasteh | 2020-11-17 |
| 10753647 | Integrated leak detection system for water heaters | Joseph D. Gardner, Sina Jasteh, Hector J. Donastorg, Raheel A. Chaudhry | 2020-08-25 |
| 10480824 | Leak detection sensor assemblies for water heaters | Joseph D. Gardner, Timothy D. Scott, William Jason Hall, Raheel A. Chaudhry, Gregory M. Welk | 2019-11-19 |
| 10436476 | Motor/damper assembly for fuel-fired water heater | Hector J. Donastorg, Ashwin Rao, Cory A. Weiss | 2019-10-08 |
| 10415849 | Down-fired high efficiency gas-fired water heater | Qian Zhang, Yoshiki Semba, Subbramanian Thenappan | 2019-09-17 |
| 10274226 | Electronic control system for electric water heater | Raheel A. Chaudhry, Stephen Maciulewicz | 2019-04-30 |
| 10072853 | Water heater having a supplemental photovoltaic heating arrangement | Raheel A. Chaudhry, Arthur Y. Hinton | 2018-09-11 |
| 9939175 | Flue damper control algorithm for standing pilot type fuel-fired water heater | Raheel A. Chaudhry, Gianpiero Turrin | 2018-04-10 |
| 9835359 | Stackable water heater apparatus | Hector J. Donastorg, Raheel A. Chaudhry | 2017-12-05 |
| 9803887 | Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters | Raheel A. Chaudhry, Yan Hong, Troy E. Trant | 2017-10-31 |
| 9714774 | Downfired high efficiency gas-fired water heater | Qian Zhang, Yoshiki Semba, Subbramanian Thenappan | 2017-07-25 |