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Class Information
Number: 137/318
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Tapping a pipe, keg, or apertured tank under pressure > With aperture forming means
Description: Devices in which the connectable means carries a cutter or punch for making the opening in the closed system through which flow will occur. The aperture may be formed at the time the connection is placed, or subsequently by operation of means carried by the connectable means.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8656939 Apparatus, system and methods for sealing and severing a subsea pipeline Feb. 25, 2014
8651134 Tool for oil filter drainage Feb. 18, 2014
8627843 Gate valve assembly for installation in pressurized pipes Jan. 14, 2014
8622078 Apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms Jan. 7, 2014
8616811 Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and/or tubing for overturned wells or platforms Dec. 31, 2013
8613291 Apparatus for repairing and upgrading pipes Dec. 24, 2013
8607814 Active pipe cutoff valve installation assembly Dec. 17, 2013
8573243 Fluid delivery device and method Nov. 5, 2013
8550108 Gas pressure control valve Oct. 8, 2013
8534306 Subsea hot tap systems and methods Sep. 17, 2013
8474473 Method of direct hot tapping into a multiple production string without removing outer layers of casing Jul. 2, 2013
8413329 Compressed gas cartridge lance housing Apr. 9, 2013
8403039 Tool and method for providing access to a wellhead annulus Mar. 26, 2013
8402992 Branching unit for boring without stopping passage of fluid Mar. 26, 2013
8360276 Manual inflator with cylinder connector and status indicator Jan. 29, 2013
8333211 Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms Dec. 18, 2012
8316871 Device and process for perforating a duct fitted with a connector seat Nov. 27, 2012
8291902 Enhanced semi-automatic emergency medication dose nebulizer Oct. 23, 2012
8286655 Line stop adapter Oct. 16, 2012
8201573 Tapping tee assembly Jun. 19, 2012
8196599 Saddle tee Jun. 12, 2012
8156959 Branching unit for boring without stopping passage of fluid Apr. 17, 2012
8151817 Apparatus for isolating elbow fittings Apr. 10, 2012
8127784 Filter draining device Mar. 6, 2012
8118048 Apparatus and method for forming an opening in a storage tank Feb. 21, 2012
8104517 Resilient plug apparatus and method of use Jan. 31, 2012
8091573 Pipeline intervention Jan. 10, 2012
8069874 System for hot tapping Dec. 6, 2011
8066025 Piercing valve stem assembly and system Nov. 29, 2011
8020575 Water line tapping method Sep. 20, 2011
8002002 Oil filter drain tool Aug. 23, 2011
7938137 Method of direct hot tapping into a multiple production string without removing outer layers of casing May. 10, 2011
7886773 Low pressure directional stop bypass device Feb. 15, 2011
7846330 Oil filter drain tool Dec. 7, 2010
7832420 Saddle tee Nov. 16, 2010
7823744 Storage container for water-endangering liquids Nov. 2, 2010
7753068 Diversion under load conditions in distribution systems Jul. 13, 2010
7722298 Hot tap machine May. 25, 2010
7721754 Tapping tee assembly with cap assembly May. 25, 2010
RE41263 Refrigerant charging tool Apr. 27, 2010
7588201 Irrigation pipe Sep. 15, 2009
7562670 Flat valve for orbital applications Jul. 21, 2009
7552742 Hot tap device Jun. 30, 2009
7546847 Locking plug for closing the sidewall of a pipe Jun. 16, 2009
7490628 Manifold and valve assembly Feb. 17, 2009
7441993 Making connections to pipes under pressure Oct. 28, 2008
7350533 Method for accessing a pipe and apparatus therefor Apr. 1, 2008
7338089 Pipe interruption fitting Mar. 4, 2008
7311114 Cross-line plugging system Dec. 25, 2007
7302965 Saddle tap Dec. 4, 2007

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