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Class Information
Number: 280/420
Name: Land vehicles > Wheeled > Articulated vehicle > Service connections
Description: Devices in which a connection other than the draft connection is provided between the vehicles to transmit power from one vehicle to the other for miscellaneous purposes such as braking or lighting.










Sub-classes under this class:

Class Number Class Name Patents
280/422 Electric 81
280/421 Fluid 76


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8678419 Systems and methods for connecting a power supply to a trailer Mar. 25, 2014
8657324 Tractor-trailer hose support Feb. 25, 2014
8573626 Coupler for a vehicle Nov. 5, 2013
8523215 Middle hoop system for an articulated vehicle Sep. 3, 2013
8505949 Automatic pneumatic/electrical coupler system for tractor-trailer combination vehicles Aug. 13, 2013
8505950 Tractor and trailer combination Aug. 13, 2013
8366132 Middle hoop system for an articulated vehicle Feb. 5, 2013
8308180 Trailer vehicle connection arrangement Nov. 13, 2012
8297638 External line connection for a semitrailer of a semitrailer truck Oct. 30, 2012
8262119 Systems and methods for connecting a power supply to a trailer Sep. 11, 2012
8215656 Trailer wiring connection Jul. 10, 2012
8200381 Component vehicle Jun. 12, 2012
8066298 Coupling system for connecting supply lines Nov. 29, 2011
8052163 Connector bracket for a semitrailer of a semitrailer truck Nov. 8, 2011
7967319 Vehicle coupling aid with automatically moving supply line connector bracket Jun. 28, 2011
7959178 Connector bracket for a semitrailer of a semitrailer truck Jun. 14, 2011
7850191 Trailer wiring connection Dec. 14, 2010
7850190 Hitch and coupling arrangement for automatically effecting towing hitch and fluid quick-coupler connections between a nurse tank wagon and an NH.sub.3 applicator implement Dec. 14, 2010
7758059 Connector bracket of a trailer Jul. 20, 2010
7731215 Method for the transmission of electrical pneumatic or hydraulic energy and an energy transmission system Jun. 8, 2010
7669875 Remotely releasable coupler and hose retrieval mechanism for airbrake system Mar. 2, 2010
7607677 Water and compressed air storage trailer hitch Oct. 27, 2009
7401801 Remotely releasable coupler and hose retrieval mechanism for airbrake system Jul. 22, 2008
7185907 Extendable trailer hitch assembly Mar. 6, 2007
7086659 Trailer line routing Aug. 8, 2006
6997472 Trailer towing device Feb. 14, 2006
6902180 Trailer line routing Jun. 7, 2005
6894625 Service vehicle attachment warning apparatus May. 17, 2005
6651940 Tractor-trailer support apparatus Nov. 25, 2003
6481738 Connecting device Nov. 19, 2002
6182995 Extendable semi-trailer Feb. 6, 2001
6179319 Tractor-trailer Jan. 30, 2001
6168182 Y-shaped tow bar having a channel adapted to conceal and protect an associated cable Jan. 2, 2001
6019386 Protective cover for a trailer hitch Feb. 1, 2000
5988569 Truck cable plug and hose gladhand holder Nov. 23, 1999
5964475 Trailer coupling Oct. 12, 1999
5713592 Apparatus for supporting vehicle conduit Feb. 3, 1998
5660408 Gladhand and electrical connector holder Aug. 26, 1997
5607221 Hook-up light for a truck tractor Mar. 4, 1997
5551824 Articulated refuse collection apparatus Sep. 3, 1996
5458357 Motor vehicle assembly, in particular semitrailer Oct. 17, 1995
5410894 Gladhand security lock apparatus May. 2, 1995
5346239 Tractor train, optionally an articulated train Sep. 13, 1994
5288094 Bracket for supplying an electrical connector Feb. 22, 1994
5158316 Trailer hitch extension apparatus Oct. 27, 1992
5143392 Retractable hose system Sep. 1, 1992
5080594 Pigtail connector with light Jan. 14, 1992
5066034 Car towing apparatus with surge brake Nov. 19, 1991
5000472 Kingpin assembly Mar. 19, 1991
4943079 Temporary trailer brake release system Jul. 24, 1990

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