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Class Information
Number: 285/27
Name: Pipe joints or couplings > With assembly means or feature > Guide
Description: Subject matter comprising guide means to gather and align the members into coupling position.

Sub-classes under this class:

Class Number Class Name Patents
285/28 Plural noncommunicating 12

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8657341 Connecting element Feb. 25, 2014
8505980 Arrangement in a hose connection between a wellhead and a surface installation Aug. 13, 2013
8348647 Scroll type compressor including a suction pipe having iron portion and copper portion Jan. 8, 2013
8005322 Polarization-independent optical isolator Aug. 23, 2011
7802825 Method and system for repairing a downcomer pipe in a core spray for a nuclear reactor Sep. 28, 2010
7464967 Hydraulic quick coupling Dec. 16, 2008
7437815 Systems adapted to cooperate with an aperture forming tool and methods Oct. 21, 2008
7380835 Single bore high flow junction plate Jun. 3, 2008
7324567 Modulation frequency tunable optical oscillator Jan. 29, 2008
7275594 Stab guide Oct. 2, 2007
7237607 Tubular stabbing protector and method Jul. 3, 2007
7186337 Quick-change filter and bracket system Mar. 6, 2007
7138052 Quick change fitter and bracket system with key system and universal key option Nov. 21, 2006
7090254 Apparatus and method aligning tubulars Aug. 15, 2006
6953142 Method and apparatus for locating and holding a flange Oct. 11, 2005
6926826 Quick change filter and bracket system with key system and universal key option Aug. 9, 2005
6908115 Combined register opening cover and register boot frame Jun. 21, 2005
6682105 Remotely operable misalignment coupling device Jan. 27, 2004
6520547 Quick locking pipe joint for plain or profiled pipe Feb. 18, 2003
6454310 Beveled insert for coupling pipes Sep. 24, 2002
6433282 Sectional, modular orientable element for fairlead raceways Aug. 13, 2002
6371522 Beveled insert for coupling pipes Apr. 16, 2002
6189439 Cooker die and rotary cutter removably securing mechanism Feb. 20, 2001
6186556 Enclosed type compressor and its manufacturing method Feb. 13, 2001
6167798 Cooker die and rotary cutter removably securing mechanism Jan. 2, 2001
6142165 Method and apparatus for installing a branch connector from the top of an excavation Nov. 7, 2000
6059318 Lateral entry remotely operated coupling system May. 9, 2000
5997046 Divergent legged slide mount adapter Dec. 7, 1999
5671952 Service manifold and special elbow for tank blanketing and venting valves Sep. 30, 1997
5577437 Cooker die removably securing mechanism Nov. 26, 1996
5553894 Conduit connection to a cassette for perforating sheets Sep. 10, 1996
5509696 Connector with spring retainer Apr. 23, 1996
5433490 Cooker die removably securing mechanism Jul. 18, 1995
5374084 Coupling for automobile air conditioning system Dec. 20, 1994
5372388 Integral multi-duct conduit section Dec. 13, 1994
5348037 Hot water tank construction, parts therefor and methods of making the same Sep. 20, 1994
5293913 Bottle keying system Mar. 15, 1994
5280963 Coupler for appliance hose Jan. 25, 1994
5261438 Hot water tank construction, parts therefor and methods of making the same Nov. 16, 1993
5236227 Assembly for connecting multi-duct conduits having tapered alignment walls Aug. 17, 1993
5179976 Fluid coupling Jan. 19, 1993
5168856 Plastic fuel rail having integral guard wall for protecting an integral nipple or hose barb Dec. 8, 1992
5087080 Arthroscopic sheath with quick coupling socket Feb. 11, 1992
5004273 Tieback thread with angular freedom Apr. 2, 1991
5004017 Pipe stabilizing system for underwater use in joining flanged pipe sections Apr. 2, 1991
4962952 Pressure tube with deflecting section Oct. 16, 1990
4954004 Coupling device between two elements Sep. 4, 1990
4889450 Guidance and protection system for the laying of pipes Dec. 26, 1989
4887665 Connection system for interconnecting a heat exchanger and a pipe union Dec. 19, 1989
4867605 Method and apparatus for retrieving a running tool/guideframe assembly Sep. 19, 1989

1 2 3

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