| 9933089 |
Decompression insert for rotary valve and rotary valve provided with such an insert |
— |
2018-04-03 |
| 8322373 |
Axial drag valve with internal sleeve actuator |
— |
2012-12-04 |
| 8312893 |
Axial drag valve with internal hub actuator |
Samuel C. Sturtevant, Sina Alikhani, Daniel McMillen |
2012-11-20 |
| 7011109 |
Drag ball valve |
Duc Thanh Tran, Raymond R. Newton, Paul Smirl, Tina Benac |
2006-03-14 |
| 5937901 |
Rotary noise attenuating valve |
— |
1999-08-17 |
| 5799695 |
Flow regulating valve of the ball or plug type |
— |
1998-09-01 |
| 5772178 |
Rotary noise attenuating valve |
— |
1998-06-30 |
| 5509446 |
Ball valve or plug valve provided with an insert |
— |
1996-04-23 |
| 5480123 |
Butterfly type control valve |
— |
1996-01-02 |
| 4610273 |
Attenuated rotating valve |
— |
1986-09-09 |
| 4530375 |
Attenuating rotating valve |
— |
1985-07-23 |
| 4479510 |
Attenuating rotating valve having varying configurations |
— |
1984-10-30 |
| 4335744 |
Quiet safety relief valve |
— |
1982-06-22 |
| 4295493 |
Drag ball valve including variable pressure reducing means |
— |
1981-10-20 |
| 4271866 |
Drag ball valve including variable pressure reducing means |
— |
1981-06-09 |