Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416057 | Brush seal | Christopher D. McCowey, Leroy A. Waling, Antonio F. Artiles | 2002-07-09 |
| 5941531 | Double gas seal having an improved bellows arrangement | Joseph C. Parker, Christopher D. McCowey | 1999-08-24 |
| 5924697 | Double gas seal with bellows supported by backing and support rings | Joseph C. Parker, Christopher D. McCowey | 1999-07-20 |
| 4795168 | Magnetic seal assembly | Duane A. Avard, Leroy A. Waling | 1989-01-03 |
| 4560173 | Mechanical seal assembly with coolant circulation structure | Duane A. Avard | 1985-12-24 |
| 4466619 | Mechanical seal assembly with integral pumping device | — | 1984-08-21 |