F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
166/41, 137/65
F16K 15/00 (2006.01) E21B 33/127 (2006.01) E21B 34/06 (2006.01) E21B 34/12 (2006.01) F16K 15/20 (2006.01) F16K 17/00 (2006.01) F16K 17/42 (2006.01)
Patent
CA 1132881
CHECK/RELIEF VALVE FOR AN INFLATABLE PACKER SYSTEM ABSTRACT A check/relief valve intended for use in an inflatable packer system. The valve comprises a hollow cylindrical longitudinally extending inner member surrounded by a spring loaded relief piston and a spring loaded check valve poppet, all surrounded by a hollow longitudinally extending outer member.
363375
Baker Randy S.
Eckmann Gerald C.
Bj-Hughes Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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