US Patent No: 4,846,508

Number of patents in Portfolio can not be more than 2000

Tubular connector system

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Importance

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Abstract

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A tubular connector system is disclosed for joining two pipe ends without the necessity of rotating the pipe ends. One pipe end is provided with an external thread and a second pipe end includes multiple thread lead entries. The tubular connector includes an internal thread at one end and internal multiple thread lead entries at the other end. The tubular connector is first threaded onto the first pipe. Next, the second pipe is stabbed into the second end of the tubular connector and the tubular connector is then rotated less than a single turn with respect to the second pipe to fully mate the tubular connector and the second pipe. In a preferred embodiment of the present invention the tubular connector is provided with resilient seals and a slot and tab arrangement to restrict rotation after make-up.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
VETCO GRAY INC.HOUSTON, TX625

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Danner, B Lee Houston, TX 3 25
Milberger, Lionel J Wheelock, TX 67 852
Pallini, Jr Joseph W Tomball, TX 19 215

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Mobil Oil Corporation (2)
4,397,484 Locking coupling system 48 1982
4,487,433 Anti-rotation coupling 8 1982
 
AWB, INC., HOUSTON (1)
4,568,113 Pipe connection 19 1983
 
VETCO OFFSHORE INDUSTRIES, INC., A CORP. (CHANGED TO) (1)
4,717,183 Conical thread configuration for rapid make-up connection 14 1985

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
VETCO GRAY INC. (3)
5,450,904 Adjustable tieback sub 15 1994
7,549,682 Threaded pipe connector 4 2005
8,079,623 Threaded pipe connector 0 2009
 
COMERICA BANK (1)
6,578,881 Fluid-tight pipe union 8 2001
 
HUBBELL INCORPORATED (1)
6,070,913 Releasable self-locking clip arrangement interfacing with threaded connection between plug body and tubular shroud of electrical connector plug housing 2 1998
 
Lourdes Industries (1)
5,388,866 High pressure coupling with provision for preventing separation of parts and with anti-galling provision 32 1993
 
STATOIL PETROLEUM AS (1)
5,997,045 Pipe joint 4 1997
 
United States Steel Corporation (1)
6,817,633 Tubular members and threaded connections for casing drilling and method 60 2002
 
VALLOUREC OIL AND GAS FRANCE (1)
6,752,436 Fatigue-resistant threaded bevelled tubular element 14 2002
 
WALD LLC (1)
D706203 Bracket 0 2012
 
Other [Check patent profile for assignment information] (1)
7,237,810 Plastic pipe adhesive joint 3 2002