Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924546 | Burner ignition controller and improved coil bobbin | — | 2011-04-12 |
| 7473868 | Fail safe HVAC temperature and medium presence sensor | John E. Bohan, Jr., Christopher Fildes | 2009-01-06 |
| D573248 | Burner controller cover | Howard Scott Ryan, David T. Middleton, Jr. | 2008-07-15 |
| D540938 | Igniter cover | Will Meibuhr, Martin J. Fabian, Frank J. Witkowski, III, Robert L. Naas, Len Howard Nicholas +1 more | 2007-04-17 |
| 6929465 | Timer circuit for valve activation in oil burner system | Victor J. Turk | 2005-08-16 |
| 6888390 | Timer circuit for valve activation in oil burner system | Victor J. Turk | 2005-05-03 |
| 6082322 | Electronically controlled continuous lubricating oil replacement system | Jerry C. Wang, Leslie A. Roettgen, Donald P. Carver, Colin I. Black, David M. Stehouwer +1 more | 2000-07-04 |
| 5970942 | Electronically controlled continuous lubricating oil replacement system | David E. Koeberlein, Paul D. Cantrell, Eric S. Keith, Jerry C. Wang, Leslie A. Roettgen +4 more | 1999-10-26 |
| 5921509 | Apparatus for suspending conduit | Timothy Flood, Anthony Joseph Carmen | 1999-07-13 |
| 5881688 | Electronically controlled continuous lubricating oil replacement system | Jerry C. Wang, Leslie A. Roettgen, Donald P. Carver, Colin I. Black, David M. Stehouwer +1 more | 1999-03-16 |
| 5749339 | Electronically controlled continuous lubricating oil replacement system | Jerry C. Wang, Leslie A. Roettgen, Donald P. Carver, Colin I. Black, David M. Stehouwer +1 more | 1998-05-12 |
| 5203570 | Golf swing training apparatus | — | 1993-04-20 |
| 5062482 | Piezometer actuator device and method for its installation in a borehole | — | 1991-11-05 |
| 4680788 | Microprocessor based control and switching device | Craig A. Cordeiro | 1987-07-14 |