Issued Patents All Time
Showing 1–25 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10429074 | Dual fuel heating assembly with selector switch | — | 2019-10-01 |
| 10240789 | Dual fuel heating assembly with reset switch | — | 2019-03-26 |
| 10222057 | Dual fuel heater with selector valve | — | 2019-03-05 |
| 10073071 | Heating system | — | 2018-09-11 |
| 10066838 | Dual fuel heating system | — | 2018-09-04 |
| 9829195 | Dual fuel heating source with nozzle | — | 2017-11-28 |
| 9822996 | Additive heat unit for HVAC heat pump system | — | 2017-11-21 |
| 9752779 | Heating assembly | — | 2017-09-05 |
| 9752782 | Dual fuel heater with selector valve | — | 2017-09-05 |
| 9739389 | Heating system | — | 2017-08-22 |
| 9587830 | Control valves for heaters and fireplace devices | — | 2017-03-07 |
| 9587829 | Pre-start indicator for portable heater | Joseph B. Lee, Jr. | 2017-03-07 |
| 9581329 | Gas-fueled heater | — | 2017-02-28 |
| 9523497 | Dual fuel heater with selector valve | — | 2016-12-20 |
| 9518732 | Heating assembly | — | 2016-12-13 |
| 9441833 | Heating assembly | — | 2016-09-13 |
| 9441840 | Heating apparatus with fan | — | 2016-09-13 |
| 9441839 | Heating apparatus with fan | — | 2016-09-13 |
| 9423123 | Safety pressure switch | — | 2016-08-23 |
| 9416977 | Heater configured to operate with a first or second fuel | — | 2016-08-16 |
| 9328922 | Valve assemblies for heating devices | — | 2016-05-03 |
| 9222670 | Heating system with pressure regulator | — | 2015-12-29 |
| 9200801 | Fuel selection valve assemblies | — | 2015-12-01 |
| 9200802 | Dual fuel heater with selector valve | — | 2015-12-01 |
| 9175848 | Dual fuel heater with selector valve | — | 2015-11-03 |