Inventor
ZIMMERMAN PATRICK J
US31 patents
⚠️ This page may combine multiple inventors who share the name “ZIMMERMAN PATRICK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
12 patentsUS7124831B2Oct 24, 2006
Resin impregnated continuous fiber plug with non-metallic element system
WEATHERFORD LAMB93 citations98
US6769491B2Aug 3, 2004
Anchoring and sealing system for a downhole tool
WEATHERFORD LAMB172 citations98
US6712153B2Mar 30, 2004
Resin impregnated continuous fiber plug with non-metallic element system
WEATHERFORD LAMB210 citations97
US7779927B2Aug 24, 2010
Non-metallic mandrel and element system
WEATHERFORD LAMB26 citations95
US6581681B1Jun 24, 2003
Bridge plug for use in a wellbore
WEATHERFORD LAMB185 citations95
US7789137B2Sep 7, 2010
Non-metallic mandrel and element system
WEATHERFORD LAMB17 citations92
US7789135B2Sep 7, 2010
Non-metallic mandrel and element system
WEATHERFORD LAMB18 citations92
US7779928B2Aug 24, 2010
Non-metallic mandrel and element system
WEATHERFORD LAMB10 citations92
US6920932B2Jul 26, 2005
Joint for use with expandable tubulars
WEATHERFORD LAMB30 citations92
US6609567B2Aug 26, 2003
Tubing hanger with lateral feed-through connection
WEATHERFORD LAMB26 citations92
US7789136B2Sep 7, 2010
Non-metallic mandrel and element system
WEATHERFORD LAMB8 citations83
US9163478B2Oct 20, 2015
Inwardly swelling seal
WEATHERFORD LAMB1 citations49
BAKER HUGHES INC
5 patentsUS5533573AJul 9, 1996
Method for completing multi-lateral wells and maintaining selective re-entry into laterals
BAKER HUGHES INC166 citations98
US5474131ADec 12, 1995
Method for completing multi-lateral wells and maintaining selective re-entry into laterals
BAKER HUGHES INC190 citations98
US5988287ANov 23, 1999
Thru-tubing anchor seal assembly and/or packer release devices
BAKER HUGHES INC55 citations96
US6109357AAug 29, 2000
Control line actuation of multiple downhole components
BAKER HUGHES INC45 citations92
US5924491AJul 20, 1999
Thru-tubing anchor seal assembly and/or packer release devices
BAKER HUGHES INC6 citations73
BROUSSARD JOHN P
4 patentsUS9447661B2Sep 20, 2016
Gravel pack and sand disposal device
BROUSSARD JOHN P15 citations82
US9068435B2Jun 30, 2015
Gravel pack inner string adjustment device
BROUSSARD JOHN P2 citations59
US9057251B2Jun 16, 2015
Gravel pack inner string hydraulic locating device
BROUSSARD JOHN P2 citations59
US9523264B2Dec 20, 2016
Gravel pack crossover tool with low drag force
BROUSSARD JOHN P1 citations51
ZIMMERMAN PATRICK J
3 patentsUS8069918B2Dec 6, 2011
Magnetic slip retention for downhole tool
ZIMMERMAN PATRICK J10 citations83
US8893810B2Nov 25, 2014
Arrangement of isolation sleeve and cluster sleeves having pressure chambers
ZIMMERMAN PATRICK J7 citations82
US8695709B2Apr 15, 2014
Self-orienting crossover tool
ZIMMERMAN PATRICK J5 citations71