Hazzard; Frederick
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hazzard; Frederick.The latest application filed is for "electronic air pressure interlock switch".
Company Profile
22.18.25
- Hazzard; Frederick - Plymouth MN
- Hazzard; Frederick - Ham Lake MN
Patent Activity
| Patent | Date |
|---|---|
| Electronic Air Pressure Interlock Switch App 20220276626 - Young; Gregory ; et al. | 2022-09-01 |
| Circuit for detecting a leak in a water heater device and activating an alarm device Grant 11,408,644 - Hazzard , et al. August 9, 2 | 2022-08-09 |
| Electronic air pressure interlock switch Grant 11,340,569 - Young , et al. May 24, 2 | 2022-05-24 |
| Method And System For Controlling An Intermittent Pilot Water Heater System App 20220146149 - Young; Gregory ; et al. | 2022-05-12 |
| Method and system for controlling an intermittent pilot water heater system Grant 11,236,930 - Young , et al. February 1, 2 | 2022-02-01 |
| Closed-loop programming and control of a combustion appliance Grant 11,073,281 - Hazzard , et al. July 27, 2 | 2021-07-27 |
| Electronic Air Pressure Interlock Switch App 20210141352 - Young; Gregory ; et al. | 2021-05-13 |
| System and approach for water heater comfort and efficiency improvement Grant 10,989,421 - Heil , et al. April 27, 2 | 2021-04-27 |
| Water Heater Control System With Powered Anode Rod App 20210095891 - Hazzard; Frederick ; et al. | 2021-04-01 |
| Gas Valve Operator Drive Circuit App 20210048225 - Hazzard; Frederick ; et al. | 2021-02-18 |
| Circuit For Detecting A Leak In A Water Heater Device And Activating An Alarm Device App 20210048224 - Hazzard; Frederick ; et al. | 2021-02-18 |
| Control System For An Intermittent Pilot Water Heater App 20210048226 - Hazzard; Frederick ; et al. | 2021-02-18 |
| Burner Control System App 20210048223 - Anderson; Peter M. ; et al. | 2021-02-18 |
| Valve actuator with external coils Grant 10,851,911 - Hazzard , et al. December 1, 2 | 2020-12-01 |
| Cloud-based analytics for water heaters Grant 10,754,331 - Anderson , et al. A | 2020-08-25 |
| Thermophile assembly with heat sink Grant 10,738,998 - Heil , et al. A | 2020-08-11 |
| Mounting adaptor for mounting a sensor assembly to a water heater tank Grant 10,731,895 - Young , et al. | 2020-08-04 |
| Capacitive leak and flammable vapor detection system Grant 10,697,846 - Hazzard , et al. | 2020-06-30 |
| Water heater leak detection system Grant 10,692,351 - Hazzard , et al. | 2020-06-23 |
| Pilot light control for an appliance Grant 10,670,302 - Hazzard , et al. | 2020-06-02 |
| Valve Actuator With External Coils App 20200072378 - Hazzard; Frederick ; et al. | 2020-03-05 |
| Cloud-based Analytics For Water Heaters App 20200004231 - Anderson; Peter ; et al. | 2020-01-02 |
| Capacitive Leak And Flammable Vapor Detection System App 20190339152 - Hazzard; Frederick ; et al. | 2019-11-07 |
| Method And System For Controlling An Intermittent Pilot Water Heater System App 20190338987 - Young; Gregory ; et al. | 2019-11-07 |
| Valve actuator with anti-corrosion coating Grant 10,431,362 - Hazzard , et al. O | 2019-10-01 |
| Water heater gas valve Grant 10,428,972 - Hazzard , et al. October 1, 2 | 2019-10-01 |
| Mounting Adaptor For Mounting A Sensor Assembly To A Water Heater Tank App 20190203978 - Young; Gregory ; et al. | 2019-07-04 |
| Closed-loop Programming And Control Of A Combustion Appliance App 20190203936 - Hazzard; Frederick ; et al. | 2019-07-04 |
| Water Heater Gas Valve App 20190093787 - Hazzard; Frederick ; et al. | 2019-03-28 |
| System And Approach For Water Heater Comfort And Efficiency Improvement App 20190086101 - Heil; David ; et al. | 2019-03-21 |
| Water Heater Leak Detection System App 20180342146 - Hazzard; Frederick ; et al. | 2018-11-29 |
| System and approach for water heater comfort and efficiency improvement Grant 10,132,510 - Heil , et al. November 20, 2 | 2018-11-20 |
| Water heater leak detection system Grant 10,049,555 - Hazzard , et al. August 14, 2 | 2018-08-14 |
| Thermopile Assembly With Heat Sink App 20180180287 - Heil; David ; et al. | 2018-06-28 |
| System For Communication, Optimization And Demand Control For An Appliance App 20180088611 - Hazzard; Frederick ; et al. | 2018-03-29 |
| Thermopile assembly with heat sink Grant 9,920,930 - Heil , et al. March 20, 2 | 2018-03-20 |
| Water heater leak detection system Grant 9,799,201 - Hazzard , et al. October 24, 2 | 2017-10-24 |
| Water Heater Leak Detection System App 20170301212 - Hazzard; Frederick ; et al. | 2017-10-19 |
| System And Approach For Water Heater Comfort And Efficiency Improvement App 20170167736 - Heil; David ; et al. | 2017-06-15 |
| Thermopile Assembly With Heat Sink App 20160305827 - Heil; David ; et al. | 2016-10-20 |
| Water Heater Leak Detection System App 20160260312 - Hazzard; Frederick ; et al. | 2016-09-08 |
| Pilot Light Control For An Appliance App 20150276268 - Hazzard; Frederick ; et al. | 2015-10-01 |
| System For Communication, Optimization And Demand Control For An Appliance App 20150277463 - Hazzard; Frederick ; et al. | 2015-10-01 |
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