Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948128 | Flanged condensate removal system with removable insert | Paul E. DiNardo | 1999-09-07 |
| 5676719 | Universal insert for use with radiator steam traps | Constantine N. Stavropoulos, Lianquan Liu | 1997-10-14 |