Assignee
CAMCO INC
US160 patents
Top patents by PatentIndex Score
US4531581AJul 30, 1985
Piston actuated high temperature well packer
CAMCO INC152 citations99
US4520870AJun 4, 1985
Well flow control device
CAMCO INC148 citations98
US4588030AMay 13, 1986
Well tool having a metal seal and bi-directional lock
CAMCO INC204 citations97
US6736472B2May 18, 2004
Refrigerator cabinet refrigerant tube assembly
CAMCO INC60 citations96
US6209342B1Apr 3, 2001
Refrigerator evaporator housing
CAMCO INC108 citations96
US6138432AOct 31, 2000
Refrigerator door construction
CAMCO INC78 citations96
US4926945AMay 22, 1990
Subsurface well safety valve with curved flapper and method of making
CAMCO INC79 citations96
US4844166AJul 4, 1989
Method and apparatus for recompleting wells with coil tubing
CAMCO INC82 citations96
US4771831ASep 20, 1988
Liquid level actuated sleeve valve
CAMCO INC78 citations96
US4621695ANov 11, 1986
Balance line hydraulically operated well safety valve
CAMCO INC55 citations96
US4605070AAug 12, 1986
Redundant safety valve system and method
CAMCO INC62 citations96
US4574889AMar 11, 1986
Method and apparatus for locking a subsurface safety valve in the open position
CAMCO INC70 citations96
US4534414AAug 13, 1985
Hydraulic control fluid communication nipple
CAMCO INC85 citations96
US4510994AApr 16, 1985
Pump out sub
CAMCO INC93 citations96
US4444266AApr 24, 1984
Deep set piston actuated well safety valve
CAMCO INC57 citations96
US4373587AFeb 15, 1983
Fluid displacement well safety valve
CAMCO INC65 citations96
US4252197AFeb 24, 1981
Piston actuated well safety valve
CAMCO INC85 citations96
US4161219AJul 17, 1979
Piston actuated well safety valve
CAMCO INC121 citations96
US6428130B1Aug 6, 2002
Refrigerator mullion
CAMCO INC75 citations95
US4628661ADec 16, 1986
Scored metal appliance frame
CAMCO INC93 citations95
US4579177AApr 1, 1986
Subsurface solenoid latched safety valve
CAMCO INC62 citations95
US4239082ADec 16, 1980
Multiple flow valves and sidepocket mandrel
CAMCO INC70 citations95
US6209265B1Apr 3, 2001
Refrigerator door corner construction
CAMCO INC72 citations94
US6036294AMar 14, 2000
Refrigerator mullion
CAMCO INC62 citations94
US4660646AApr 28, 1987
Failsafe gas closed safety valve
CAMCO INC80 citations94
US4588029AMay 13, 1986
Expandable metal seal for a well tool
CAMCO INC63 citations94
US4585067AApr 29, 1986
Method and apparatus for stopping well production
CAMCO INC64 citations94
US5070940ADec 10, 1991
Apparatus for deploying and energizing submergible electric motor downhole
CAMCO INC65 citations93
US4862958ASep 5, 1989
Coil tubing fluid power actuating tool
CAMCO INC42 citations93
US4722399AFeb 2, 1988
Self closing equalizing valve for a subsurface well safety valve
CAMCO INC27 citations93
US4718488AJan 12, 1988
Pump-out plug system for a well conduit
CAMCO INC29 citations93
US4691776ASep 8, 1987
Retrievable well safety valve with expandable external seals
CAMCO INC46 citations93
US4688593AAug 25, 1987
Well reverse flow check valve
CAMCO INC40 citations93
US4676307AJun 30, 1987
Pressure charged low spread safety valve
CAMCO INC43 citations93
US4629002ADec 16, 1986
Equalizing means for a subsurface well safety valve
CAMCO INC47 citations93
US4601342AJul 22, 1986
Well injection valve with retractable choke
CAMCO INC52 citations93
US4512411AApr 23, 1985
Fluid actuated energy charged well service line cutter
CAMCO INC40 citations93
US4495998AJan 29, 1985
Tubing pressure balanced well safety valve
CAMCO INC30 citations93
US4444403AApr 24, 1984
Thermal and/or corrosion seal for a well tool
CAMCO INC31 citations93
US4368911AJan 18, 1983
Subsurface conduit setting and pulling tool
CAMCO INC35 citations93
US6679006B2Jan 20, 2004
Thermal and reinforced refrigerator door
CAMCO INC16 citations92
US6574984B1Jun 10, 2003
Refrigerator door mounted water dispensing assembly
CAMCO INC130 citations92
US6565170B2May 20, 2003
Reinforced refrigerator cabinet closing drawer
CAMCO INC40 citations92
US6546597B2Apr 15, 2003
Hollow appliance handle
CAMCO INC64 citations92
US6505442B2Jan 14, 2003
Thermal and reinforced refrigerator door
CAMCO INC18 citations92
US6199400B1Mar 13, 2001
Refrigerator damper control and lighting assembly housing
CAMCO INC24 citations92
US5975661ANov 2, 1999
Refrigerator door seal assembly
CAMCO INC58 citations92
US4994654AFeb 19, 1991
Heater coil mounting for a dryer
CAMCO INC28 citations92
US4992689AFeb 12, 1991
Modular protector apparatus for oil-filled submergible electric motors
CAMCO INC63 citations92
US4838355AJun 13, 1989
Dual hydraulic safety valve
CAMCO INC46 citations92
Showing the top 50 of 160 patents by PatentIndex Score.