Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1036383 | Heat pump controller | Donald C. Kennedy, Travis Read, Paul Knauf, Rolf L. Strand, Joseph Carlos Vargas | 2024-07-23 |
| 11739982 | Control system for an intermittent pilot water heater | Frederick Hazzard, Gregory Young, Adam Myre, Rolf L. Strand, John D. Mitchell | 2023-08-29 |
| 11719436 | Method and system for controlling an ignition sequence for an intermittent flame-powered pilot combustion system | Brent Chian, Bruce L. Hill, Timothy J. Nordberg, Rolf L. Strand, Douglas D. Bird | 2023-08-08 |
| 11656000 | Burner control system | Rolf L. Strand, Frederick Hazzard, Gregory Young | 2023-05-23 |
| 11293669 | Heat balancing system | Shanna Lorraine Leeland | 2022-04-05 |
| 11268695 | Method and system for starting an intermittent flame-powered pilot combustion system | Brent Chian, Douglas D. Bird, Timothy J. Nordberg, Thomas Johnson, Rolf L. Strand | 2022-03-08 |
| 11137158 | HVAC control with a remote user interface and a remote temperature sensor | Ryan Strassburg, Rolf L. Strand, Luke A. Piram, John D. Mitchell | 2021-10-05 |
| D895549 | Heat pump controller | Donald C. Kennedy, Travis Read, Paul Knauf, Rolf L. Strand, Joseph Carlos Vargas | 2020-09-08 |
| 10754331 | Cloud-based analytics for water heaters | Rolf L. Strand, Adam Myre, Timothy J. Smith, Frederick Hazzard, John D. Mitchell +3 more | 2020-08-25 |
| 10634385 | Heat balancing system | Shanna Lorraine Leeland | 2020-04-28 |
| 10473351 | HVAC control with a remote user interface and a remote temperature sensor | Ryan Strassburg, Rolf L. Strand, Luke A. Piram, John D. Mitchell | 2019-11-12 |
| 10429068 | Method and system for starting an intermittent flame-powered pilot combustion system | Brent Chian, Douglas D. Bird, Timothy J. Nordberg, Thomas Johnson, Rolf L. Strand | 2019-10-01 |
| 10337747 | Selectable efficiency versus comfort for modulating furnace | Timothy J. Nordberg, Brent Chian, Douglas D. Bird, Michael W. Schultz | 2019-07-02 |
| 10208954 | Method and system for controlling an ignition sequence for an intermittent flame-powered pilot combustion system | Brent Chian, Bruce L. Hill, Timothy J. Nordberg, Rolf L. Strand, Douglas D. Bird | 2019-02-19 |
| 9494320 | Method and system for starting an intermittent flame-powered pilot combustion system | Brent Chian, Douglas D. Bird, Timothy J. Nordberg, Thomas Johnson, Rolf L. Strand | 2016-11-15 |
| 9388984 | Flame detection in a fuel fired appliance | — | 2016-07-12 |
| 9316413 | Selectable efficiency versus comfort for modulating furnace | Timothy J. Nordberg, Brent Chian, Douglas D. Bird, Michael W. Schultz | 2016-04-19 |
| 8757509 | Boiler control methods | Richard Simons, Henry E. Troost, Emil Costea | 2014-06-24 |
| 8636502 | Selective lockout in a fuel-fired appliance | — | 2014-01-28 |
| 8632017 | Damper control system | David Kucera, Shanna Lorraine Leeland | 2014-01-21 |
| 8523560 | Spark detection in a fuel fired appliance | Jonathan McDonald, Peter E. Stolt, Henry E. Troost | 2013-09-03 |
| 8473229 | Storage device energized actuator having diagnostics | David Kucera, Pavel Kania, Shanna Lorraine Leeland | 2013-06-25 |
| 8297524 | Damper control system | David Kucera, Shanna Lorraine Leeland | 2012-10-30 |
| 8177544 | Selective lockout in a fuel-fired appliance | — | 2012-05-15 |
| 8016232 | Aircraft cabin pressure descent detection and control system and method | Karen Hosler, Greg Chapman, Wai-Pak Wong | 2011-09-13 |