Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719436 | Method and system for controlling an ignition sequence for an intermittent flame-powered pilot combustion system | Bruce L. Hill, Timothy J. Nordberg, Rolf L. Strand, Douglas D. Bird, Peter Anderson | 2023-08-08 |
| 11268695 | Method and system for starting an intermittent flame-powered pilot combustion system | Douglas D. Bird, Peter Anderson, Timothy J. Nordberg, Thomas Johnson, Rolf L. Strand | 2022-03-08 |
| 10429068 | Method and system for starting an intermittent flame-powered pilot combustion system | Douglas D. Bird, Peter Anderson, Timothy J. Nordberg, Thomas Johnson, Rolf L. Strand | 2019-10-01 |
| 10337747 | Selectable efficiency versus comfort for modulating furnace | Timothy J. Nordberg, Douglas D. Bird, Michael W. Schultz, Peter Anderson | 2019-07-02 |
| 10309906 | Low-powered system for driving a fuel control mechanism | David Kucera, Trevor C. Haag, Timothy J. Nordberg, Adam Foley | 2019-06-04 |
| 10208954 | Method and system for controlling an ignition sequence for an intermittent flame-powered pilot combustion system | Bruce L. Hill, Timothy J. Nordberg, Rolf L. Strand, Douglas D. Bird, Peter Anderson | 2019-02-19 |
| 10094593 | Combustion blower control for modulating furnace | Timothy J. Nordberg | 2018-10-09 |
| 10036710 | Low-powered system for driving a fuel control mechanism | David Kucera, Trevor C. Haag, Timothy J. Nordberg, Adam Foley | 2018-07-31 |
| 9939384 | Low-powered system for driving a fuel control mechanism | David Kucera, Trevor C. Haag, Timothy J. Nordberg, Adam Foley | 2018-04-10 |
| 9752990 | Low-powered system for driving a fuel control mechanism | David Kucera, Trevor C. Haag, Timothy J. Nordberg, Adam Foley | 2017-09-05 |
| 9494320 | Method and system for starting an intermittent flame-powered pilot combustion system | Douglas D. Bird, Peter Anderson, Timothy J. Nordberg, Thomas Johnson, Rolf L. Strand | 2016-11-15 |
| 9316413 | Selectable efficiency versus comfort for modulating furnace | Timothy J. Nordberg, Douglas D. Bird, Michael W. Schultz, Peter Anderson | 2016-04-19 |
| 8875557 | Circuit diagnostics from flame sensing AC component | Timothy J. Nordberg | 2014-11-04 |
| 8764435 | Burner firing rate determination for modulating furnace | Timothy J. Nordberg, Michael W. Schultz, Douglas D. Bird | 2014-07-01 |
| 8659437 | Leakage detection and compensation system | — | 2014-02-25 |
| 8545214 | Combustion blower control for modulating furnace | Timothy J. Nordberg | 2013-10-01 |
| 8310801 | Flame sensing voltage dependent on application | Jonathan McDonald | 2012-11-13 |
| 8300381 | Low cost high speed spark voltage and flame drive signal generator | Jonathan McDonald, Norm Planer | 2012-10-30 |
| 8085521 | Flame rod drive signal generator and system | — | 2011-12-27 |
| 8074892 | Appliance control with automatic damper detection | Scott Bracken, Timothy J. Nordberg, Henry E. Troost | 2011-12-13 |
| 8070481 | Combustion blower control for modulating furnace | Timothy J. Nordberg | 2011-12-06 |
| 8066508 | Adaptive spark ignition and flame sensing signal generation system | Timothy J. Nordberg | 2011-11-29 |
| 7985066 | Combustion blower control for modulating furnace | Timothy J. Nordberg | 2011-07-26 |
| 7804047 | Temperature sensor diagnostic for determining water heater health status | Robert L. Zak, Douglas D. Bird | 2010-09-28 |
| 7800508 | Dynamic DC biasing and leakage compensation | John T. Adams, Timothy J. Nordberg, Bruce L. Hill, Peter Anderson | 2010-09-21 |