| 6796704 |
Apparatus and method for mixing components with a venturi arrangement |
— |
2004-09-28 |
| 6609638 |
Flow promoter for hoppers |
— |
2003-08-26 |
| 6024874 |
Hydrocyclone separator |
— |
2000-02-15 |
| 6000839 |
Continuous static mixing apparatus |
— |
1999-12-14 |
| 5775443 |
Jet pump drilling apparatus and method |
— |
1998-07-07 |
| 5775446 |
Nozzle insert for rotary rock bit |
— |
1998-07-07 |
| 5765946 |
Continuous static mixing apparatus and process |
— |
1998-06-16 |
| 5664733 |
Fluid mixing nozzle and method |
— |
1997-09-09 |
| 5653298 |
Vortex method |
Norval Roland Dove, Stephen K. Smith |
1997-08-05 |
| 5632349 |
Vortex drill bit |
Norval Roland Dove, Stephen K. Smith |
1997-05-27 |
| 5322222 |
Spiral jet fluid mixer |
— |
1994-06-21 |
| 4871454 |
Portable dumpster slurry separating system |
— |
1989-10-03 |
| 4871449 |
Clarifier and screw compactor liquid-solid separator |
— |
1989-10-03 |
| 4818398 |
Filter system with readily replaceable filter element |
Glen Grant |
1989-04-04 |
| 4634535 |
Drilling mud cleaning method and apparatus |
— |
1987-01-06 |
| 4571296 |
Two stage desilter |
— |
1986-02-18 |
| 4546783 |
Apparatus for washing drill cuttings |
— |
1985-10-15 |
| 4352739 |
Completion and workover fluid filtration system |
John E. Oliver, Jr. |
1982-10-05 |