Inventor
CASTILLO JR SERGIO A
US4 patents
Patents
4 patentsUS5149148ASep 22, 1992
Pipe swivel joint with improved bore seal
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US5383694AJan 24, 1995
Load segment assembly with wire rope
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US5624124AApr 29, 1997
Bore seal assembly with wear ring having curvilinear spring support surface
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US5931476AAug 3, 1999
Seal with extended wear sleeve
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