Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10578302 | Apparatus and methods for arresting flame at a gas burner | John E. Kopp, Christina M. Gillam | 2020-03-03 |
| 9581331 | Control of stepper motor operated gas valve | John F. Broker, Juan Ling, Xingeng Zhou | 2017-02-28 |
| 9038658 | Gas valve and method of control | Shweta Annapurani Panimadai Ramaswamy, John F. Broker, Mark H. Stark | 2015-05-26 |
| 9032991 | Field adjustable gas valve and method of control | John F. Broker, Ryan D. Jensen, Mark H. Stark, Don Blessing, Shweta Annapurani Panimadai Ramaswamy | 2015-05-19 |
| 8813776 | Valves, pressure sensing devices, and controllers for heating appliances | Mark H. Stark, Ryan D. Jensen, John F. Broker | 2014-08-26 |
| 8752577 | Stepper motor gas valve and method of control | William P. Butler, Jagdish C. Atri, Ryan D. Jensen | 2014-06-17 |
| 8746275 | Gas valve and method of control | Shweta Annapurani Panimadai Ramaswamy, John F. Broker, Mark H. Stark | 2014-06-10 |
| 8714460 | Multi-stage variable output valve unit | Mark H. Stark, Shweta Annapurani Panimadai Ramaswamy, John F. Broker | 2014-05-06 |
| 8539978 | Gas valve unit with bypass flow | Mark H. Stark, Don Blessing | 2013-09-24 |
| 7296595 | Adjustable flow rate valve | Mark H. Stark, Ryan D. Jensen, Donald L. Blessing | 2007-11-20 |
| 7226034 | Solenoid valve actuator | Mark H. Stark, Donald L. Blessing | 2007-06-05 |
| 6899118 | Single coil two operator controller | Kevin M. Pumm, Paul E. Reinhardt | 2005-05-31 |
| 6786225 | Three-stage relay control | Mark H. Stark, John J. Love | 2004-09-07 |
| 6705342 | Modulating gas valve with natural/LP gas conversion capability | William P. Butler | 2004-03-16 |
| 6604538 | Adjustable fluid flow regulator with adjustment limit | John A. Schmotzer, Wilfred G. Soutiea, John J. Love | 2003-08-12 |
| 6263908 | Slow opening gas valve | John J. Love | 2001-07-24 |
| 6047718 | Solenoid valve having coaxial armatures in a single coil design | Steven J. Konsky, John J. Love | 2000-04-11 |