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Class Information
Number: 280/507
Name: Land vehicles > Wheeled > Articulated vehicle > Coupling > Protector or lock
Description: Devices in which means are provided to prevent damage or access to the coupling parts, particularly when in uncoupled relation, or in which means are provided to lock the coupling parts together to prevent unauthorized disconnection.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8684391 Hook coupling Apr. 1, 2014
8632091 Drawbar pin retention device Jan. 21, 2014
8596665 Trailer coupling Dec. 3, 2013
8585073 Self-locking hitch pin Nov. 19, 2013
8567807 Locking assembly for towing hitch Oct. 29, 2013
8556288 Lockbox for a coupler of a trailer Oct. 15, 2013
8550487 Trailer hitch ball cover Oct. 8, 2013
8505954 Rotative anti-theft bar lock for tractor trailers Aug. 13, 2013
8491009 Anti-theft system for a camper Jul. 23, 2013
8465043 Vehicular collision protection device Jun. 18, 2013
8454047 Speed hitch pin Jun. 4, 2013
8448973 Trailer hitch apparatus for use with gooseneck trailers May. 28, 2013
8444167 Hitch lock device for trailers May. 21, 2013
8444168 Configuration of an electro-mechanical fifth wheel lock control unit (lock controller) May. 21, 2013
8419041 Hitch Apr. 16, 2013
8419038 Fifth wheel trailer hitch with locking mechanism Apr. 16, 2013
8376387 Multi-function anti-rotational/anti-theft hitch ball assembly Feb. 19, 2013
8371603 Maximum security/maximum versatility ball mount assembly Feb. 12, 2013
8371600 Fifth wheel with anti-theft protection device Feb. 12, 2013
8342559 Self locking trailer hitch Jan. 1, 2013
8328223 Attachment assembly for a vehicle Dec. 11, 2012
8313119 Combined trailer hitch coupler guide and securement assembly and method Nov. 20, 2012
8286987 Animated novelty device Oct. 16, 2012
8276931 Dual tow ball coupling apparatus Oct. 2, 2012
8262122 Coupler assembly with guided ball clamp Sep. 11, 2012
8235411 Self-latching and locking trailer coupler Aug. 7, 2012
8226107 Maximum security/maximum versatility ball mount assembly Jul. 24, 2012
8220820 Trailer hitch immobilizer Jul. 17, 2012
8210559 Trailer hitch device Jul. 3, 2012
8201844 Self-locking hitch pin Jun. 19, 2012
8196949 Protective cover for weight distribution type towing hitch assembly Jun. 12, 2012
8177253 Accessory for a locking assembly May. 15, 2012
8172249 Tow bar protection device May. 8, 2012
8151605 Trailer lock Apr. 10, 2012
8152194 Utility trailer security device Apr. 10, 2012
8117873 Gooseneck trailer lock Feb. 21, 2012
8113532 Trailer locking system and apparatus Feb. 14, 2012
8096572 Gooseneck trailer hitch alignment system Jan. 17, 2012
8091915 Animated novelty device Jan. 10, 2012
8083249 Trailer coupler having an integrated lock Dec. 27, 2011
8079613 Hitch pin securing system for receiver mounted assemblies Dec. 20, 2011
8070178 Protective safety cover for the pin box and the king pin of a fifth wheel type trailer Dec. 6, 2011
8061730 Trailer receiver lock Nov. 22, 2011
8056920 Cover panel for a drawbar-controlled ground conveyor on the side facing the drawbar Nov. 15, 2011
8020885 Coupler lockout device Sep. 20, 2011
8016314 Electronically controlled tow hitch assembly Sep. 13, 2011
8011685 Interchangeable hitch ball assembly Sep. 6, 2011
7997608 Pin box assembly for trailer Aug. 16, 2011
7976054 Shock dampening hitch ball assembly Jul. 12, 2011
7967323 Drawbar protector Jun. 28, 2011

1 2 3 4 5 6 7 8 9










 
 
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