|
| US4154299 | 19. Dez. 1977 | 15. Mai 1979 | Texaco Inc. | Gas lift well with improvement |
| US4848473 | 21. Dez. 1987 | 18. Juli 1989 | Chevron Research Company | Subsea well choke system |
| US4926898 | 23. Okt. 1989 | 22. Mai 1990 | | Safety choke valve |
| US5668322 | 13. Juni 1996 | 16. Sept. 1997 | Rosemount Inc. | Apparatus for coupling a transmitter to process fluid having a sensor extension selectively positionable at a plurality of angles |
| US5920016 | 15. Sept. 1997 | 6. Juli 1999 | Rosemount Inc. | Apparatus for coupling a transmitter to process fluid |
| US6311568 | 13. Sept. 1999 | 6. Nov. 2001 | Rosemount, Inc. | Process flow device with improved pressure measurement feature |
| US6543297 | 13. Sept. 1999 | 8. Apr. 2003 | Rosemount Inc. | Process flow plate with temperature measurement feature |
| US6588313 | 19. Nov. 2001 | 8. Juli 2003 | Rosemont Inc. | Hydraulic piston position sensor |
| US6622573 | 2. Nov. 2001 | 23. Sept. 2003 | Rosemount Inc. | Process flow device with improved pressure measurement feature |
| US6725731 | 6. Nov. 2002 | 27. Apr. 2004 | Rosemount Inc. | Bi-directional differential pressure flow sensor |
| US6789458 | 12. Dez. 2002 | 14. Sept. 2004 | Rosemount Inc. | System for controlling hydraulic actuator |
| US6817252 | 12. Dez. 2002 | 16. Nov. 2004 | Rosemount Inc. | Piston position measuring device |
| US6848323 | 12. Dez. 2002 | 1. Febr. 2005 | Rosemount Inc. | Hydraulic actuator piston measurement apparatus and method |
