Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9829365 | Tactile feedback techniques to limit temperature runaway in boiler systems | Theodore Olszewski, Timothy Beight | 2017-11-28 |
| 9442499 | Controller for temperature regulation system | Christopher Fildes | 2016-09-13 |
| 9279590 | Warm weather boiler shutdown | Chris Fildes, Tim Beight | 2016-03-08 |
| 9063016 | Fail safe multi-sensor component | John Butkowski, Timothy Beight, Christopher Fildes | 2015-06-23 |
| 8847553 | Mobile power systems for high power applications | John Butkowski, Dale B. Garrett, Norm Siegel | 2014-09-30 |
| 8417482 | Self contained boiler sensor | Christopher Fildes, Tim Beight | 2013-04-09 |
| 8108075 | Failsafe HVAC control upgrades | — | 2012-01-31 |
| 7878795 | Burner ignition controller | — | 2011-02-01 |
| 7473868 | Fail safe HVAC temperature and medium presence sensor | John P. Graham, Christopher Fildes | 2009-01-06 |
| 6571817 | Pressure proving gas valve | — | 2003-06-03 |
| 6261087 | Pilot flame powered burner controller with remote control operation | Douglas D. Bird, Patrick Gonia | 2001-07-17 |
| 5472336 | Flame rectification sensor employing pulsed excitation | John T. Adams, Richard Simons | 1995-12-05 |
| 5435717 | Burner control system with continuous check of hot surface ignitor during run cycle | Vicki L. Perschbacher, Scott M. Peterson | 1995-07-25 |
| 5340019 | Electronic aquastat in immersible capsule | Frank S. Mills, Scott A. Ward | 1994-08-23 |
| 5279539 | Drawstring surgical pouch and method of use for preventing ovarian adhesions | Timothy J. Cunningham, Gene W. Kammerer | 1994-01-18 |
| 4845435 | Sensor fault detector | — | 1989-07-04 |
| 4789329 | Thermostatically operated fuel valve control circuit | John L. Erdman, Marvin D. Nelson, James W. Ratz | 1988-12-06 |
| 4770629 | Status indicator for self-energizing burner control system | — | 1988-09-13 |
| 4734658 | Low voltage driven oscillator circuit | — | 1988-03-29 |
| 4696639 | Self-energizing burner control system for a fuel burner | — | 1987-09-29 |
| 4641043 | Printed wiring board means with isolated voltage source means | John T. Adams | 1987-02-03 |
| 4631626 | Temperature controller with temperature limiting sensor | — | 1986-12-23 |
| 4598333 | Printed wiring board means with integral dew sensor | John T. Adams | 1986-07-01 |
| 4560343 | Functional check for a hot surface ignitor element | — | 1985-12-24 |
| 4546918 | Control device with positive temperature coefficient impedance for limiting dissipated power | — | 1985-10-15 |