Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521459 | Method and apparatus for testing the acidity of a lubricant in a climate control system | Donald L. Schooley, Don Richard Nemeth | 2003-02-18 |
| 6355935 | Portable light source and system for use in leak detection | Terrence D. Kalley, Robert Miniutti | 2002-03-12 |
| 6183663 | Leak detection dye delivery system | Terrence D. Kalley | 2001-02-06 |
| 6178809 | Leak detection in heating, ventilating, refrigeration, and air conditioning systems utilizing adsorptive materials | — | 2001-01-30 |
| 6101867 | Dye concentrate | — | 2000-08-15 |
| 6070455 | Leak detection additives | — | 2000-06-06 |
| 6070454 | Leak detection additives for use in heating, ventilating, refrigeration, and air conditioning systems | — | 2000-06-06 |
| 5979224 | Leak detection in heating, ventilating, refrigeration, and air conditioning systems utilizing adsorptive materials | — | 1999-11-09 |
| 5979226 | Leak detection additives for oil or fuel systems | Terrence D. Kalley | 1999-11-09 |
| 5959306 | Portable light source and system for use in leak detection | Terrence D. Kalley, Robert Miniutti | 1999-09-28 |
| 5742066 | Light source for use in leak detection in heating, ventilating, and air conditioning systems that utilize environmentally-safe materials | — | 1998-04-21 |
| 5681984 | Leak detection in heating, ventilating, refrigeration, and air conditioning systems utilizing adsorptive materials | — | 1997-10-28 |