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Class Information
Number: 280/422
Name: Land vehicles > Wheeled > Articulated vehicle > Service connections > Electric
Description: Devices in which the service connection between the vehicles comprises means to transmit electrical power from one vehicle to the other vehicle.

Patents under this class:
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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
8660745 Control arrangement for a trailer vehicle Feb. 25, 2014
8505949 Automatic pneumatic/electrical coupler system for tractor-trailer combination vehicles Aug. 13, 2013
8505950 Tractor and trailer combination Aug. 13, 2013
8465041 Means for electrically connecting a vehicle electrical system to a trailer Jun. 18, 2013
8308181 Means for electrically connecting a vehicle electrical system to a trailer Nov. 13, 2012
8262119 Systems and methods for connecting a power supply to a trailer Sep. 11, 2012
8215656 Trailer wiring connection Jul. 10, 2012
8082086 Trailer vehicle brake-control module Dec. 20, 2011
8066298 Coupling system for connecting supply lines Nov. 29, 2011
8052163 Connector bracket for a semitrailer of a semitrailer truck Nov. 8, 2011
8052164 Connector bracket for a trailer vehicle of a tractor trailer Nov. 8, 2011
7959178 Connector bracket for a semitrailer of a semitrailer truck Jun. 14, 2011
7854443 System for connecting supply lines Dec. 21, 2010
7850191 Trailer wiring connection 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
7712760 Towing device for electric vehicle May. 11, 2010
7669875 Remotely releasable coupler and hose retrieval mechanism for airbrake system Mar. 2, 2010
7581746 Fifth wheel trailer hitch coupling unit Sep. 1, 2009
7455524 Signalling interconnect Nov. 25, 2008
7185907 Extendable trailer hitch assembly Mar. 6, 2007
7128331 Locking trailer tongue extension assembly Oct. 31, 2006
7106182 Simplified truck tractor socket wiring Sep. 12, 2006
7052031 Adjustable electrical tell tale modular unit and external monitor May. 30, 2006
6951346 Locking trailer tongue extension assembly Oct. 4, 2005
6894625 Service vehicle attachment warning apparatus May. 17, 2005
6869095 Trailer coupler assembly Mar. 22, 2005
6786735 Wireless electrical connection for components mounted on a movable truck bed Sep. 7, 2004
6729114 Electric drive mower with trailed auxiliary power source May. 4, 2004
6672608 Fifth wheel for the tractor or the trailer of an articulated truck Jan. 6, 2004
6481738 Connecting device Nov. 19, 2002
6257923 Dual media connector for a vehicle Jul. 10, 2001
6234409 Trailer mounted graffiti removal system May. 22, 2001
6168182 Y-shaped tow bar having a channel adapted to conceal and protect an associated cable Jan. 2, 2001
6102424 Trailer hitch ball cover Aug. 15, 2000
6092013 Multiple setpoint power takeoff control system Jul. 18, 2000
6089588 Apparatus and method for controlling power to interior trailer functions of a heavy duty vehicle Jul. 18, 2000
6089907 Bracket with adapter for mounting multiple trailer light/electrical connectors Jul. 18, 2000
6082631 Trailer mounted graffiti removal system Jul. 4, 2000
6053521 Load sensing trailer ball-hitch drawbar Apr. 25, 2000
6019386 Protective cover for a trailer hitch Feb. 1, 2000
5909891 Rear-mounted tow hitch for connecting a towing vehicle electrical system to an electrical system of a towed vehicle trailer, or the like Jun. 8, 1999
5775712 Method and apparatus to automatically convert trailer marker lights to flashing hazard lights upon disruption of trailer lighting power supplied from a towing vehicle Jul. 7, 1998
5765848 Trailer accessory for protectably receiving trailer plugs Jun. 16, 1998
5739592 Power and communications link between a tractor and trailer Apr. 14, 1998
5732966 Bracket for trailer wiring connector Mar. 31, 1998
5725228 Trailerable recreational vehicles and watercraft with rear lights for safe towing on a trailer Mar. 10, 1998
5693985 Programmable trailer indentification system integrated into a truck tractor and trailer communication system Dec. 2, 1997

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