Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8505924 | Rotary shaft sealing assembly | Lannie L. Dietle, John E. Schroeder, Manmohan S. Kalsi | 2013-08-13 |
| 7798496 | Rotary shaft sealing assembly | Lannie L. Dietle, John E. Schroeder, Manmohan S. Kalsi | 2010-09-21 |
| 6338469 | Flexible wedge gate valve | Manmohan S. Kalsi, Jaw-Kuang Wang | 2002-01-15 |
| 5657961 | Flexible wedge gate valve | Manmohan S. Kalsi, Jaw-Kuang Wang | 1997-08-19 |
| 5305839 | Turbine pump ring for drilling heads | Manmohan S. Kalsi, Thomas F. Bailey, Larry F. Moeller | 1994-04-26 |
| 4613443 | Nonconducting thread lubricant | M. Vikram Rao, Manmohan S. Kalsi | 1986-09-23 |
| 4334666 | Expanding gate valve with position responsive interlock | Robert Trevino | 1982-06-15 |
| 4291862 | Expanding gate valve | James M. Fowler, Jr., George A. Moran | 1981-09-29 |
| 4208035 | Metal gate valve seat having a flexible front lip face seal | Manmohan S. Kalsi | 1980-06-17 |
| 4188014 | Gate valve with position responsive interlock | — | 1980-02-12 |