A. O. Smith
Utility Patents
Last updated:
List of all A. O. Smith patents 25 in total
| Status | Patent |
|---|---|
Grant | Utility: Dual input water heater Filling date: 8 Sep 2025 Issue date: 6 Sep 2022 |
Grant | Utility: Manufacturing method for proportional valve body Filling date: 8 Sep 2025 Issue date: 16 Aug 2022 |
Grant | Utility: Reduced resonance burner Filling date: 8 Sep 2025 Issue date: 5 Jul 2022 |
Grant | Utility: Field configuration of commercial water heaters Filling date: 8 Sep 2025 Issue date: 28 Jun 2022 |
Grant | Utility: High water efficiency TDS creep solution Filling date: 8 Sep 2025 Issue date: 27 Jul 2021 |
Grant | Utility: Water filtration system with recirculation to reduce total dissolved solids creep effect Filling date: 8 Sep 2025 Issue date: 27 Jul 2021 |
Grant | Utility: Water heater with organic polymer coating Filling date: 8 Sep 2025 Issue date: 6 Jul 2021 |
Grant | Utility: UV reactor with PTFE diffuser Filling date: 8 Sep 2025 Issue date: 13 Apr 2021 |
Grant | Utility: Electronic unlock feature Filling date: 8 Sep 2025 Issue date: 16 Mar 2021 |
Grant | Utility: Electrochemical analysis device for reagentless detection Filling date: 8 Sep 2025 Issue date: 17 Nov 2020 |
Grant | Utility: Burner, gas water heater and processing method of fire row Filling date: 8 Sep 2025 Issue date: 3 Nov 2020 |
Grant | Utility: Multi-cavity gas and air mixing device Filling date: 8 Sep 2025 Issue date: 3 Nov 2020 |
Grant | Utility: Water heater and method of operating a water heater Filling date: 8 Sep 2025 Issue date: 25 Aug 2020 |
Grant | Utility: Constant pressure switch apparatus and water heating system Filling date: 8 Sep 2025 Issue date: 14 Jul 2020 |
Grant | Utility: Flame rod analysis system Filling date: 8 Sep 2025 Issue date: 30 Jun 2020 |
Grant | Utility: System and method of controlling a water heater having a powered anode Filling date: 8 Sep 2025 Issue date: 7 Apr 2020 |
Grant | Utility: System and method for venting air in a welding system Filling date: 8 Sep 2025 Issue date: 7 Apr 2020 |
Grant | Utility: Water heater with damper Filling date: 8 Sep 2025 Issue date: 31 Mar 2020 |
Grant | Utility: Flow sensor with hot film anemometer Filling date: 8 Sep 2025 Issue date: 24 Mar 2020 |
Grant | Utility: Common venting system for water heaters and method of controlling the same Filling date: 8 Sep 2025 Issue date: 10 Mar 2020 |
Grant | Utility: System and method for grid load-up dual set point Filling date: 8 Sep 2025 Issue date: 28 Jan 2020 |
Grant | Utility: System and method for determining an abnormal condition of a water heater Filling date: 8 Sep 2025 Issue date: 5 Nov 2019 |
Grant | Utility: System and method for control of electric water heater Filling date: 8 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Heat pump water heater Filling date: 8 Sep 2025 Issue date: 1 Oct 2019 |
Grant | Utility: Systems, compositions and methods for providing safe and healthy water and water-based products Filling date: 8 Sep 2025 Issue date: 10 Sep 2019 |
Showing 1 to 25 of 25 patents.