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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:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40878 |
Trailer hitch mount for vehicle backup sensor |
Aug. 25, 2009 |
| 7568718 |
Cable and hitch pin assembly |
Aug. 4, 2009 |
| 7547036 |
Drawbar device for tow vehicle |
Jun. 16, 2009 |
| 7547035 |
Coupling device for tractive vehicles |
Jun. 16, 2009 |
| 7543838 |
Trailer locking mechanism |
Jun. 9, 2009 |
| 7530591 |
Pin box assembly for trailer |
May. 12, 2009 |
| 7530592 |
Towing mechanism |
May. 12, 2009 |
| 7530590 |
Hitch locking and alarm mechanism |
May. 12, 2009 |
| 7510203 |
Hitch release system |
Mar. 31, 2009 |
| 7478823 |
Drawbar clevis assembly |
Jan. 20, 2009 |
| 7478824 |
Drawbar hammer strap assembly with pin trigger |
Jan. 20, 2009 |
| 7478821 |
Pintle hitch adaptor for drawbar or DMI bumper |
Jan. 20, 2009 |
| 7469919 |
Coupler lock |
Dec. 30, 2008 |
| 7469920 |
Kingpin lock |
Dec. 30, 2008 |
| 7467805 |
Coupler locking device |
Dec. 23, 2008 |
| 7455311 |
Rudder trailer hitch cover |
Nov. 25, 2008 |
| 7455313 |
Trailer hitch receiver cover |
Nov. 25, 2008 |
| 7448236 |
Coupler latch lock and method of use |
Nov. 11, 2008 |
| 7448640 |
Pin-engaging drawbar and lock plate wedges |
Nov. 11, 2008 |
| 7441793 |
Tow hitch lunette assembly |
Oct. 28, 2008 |
| 7431320 |
Trailer safety hitch |
Oct. 7, 2008 |
| 7431319 |
Hitch locking mechanism |
Oct. 7, 2008 |
| 7416206 |
Drawbar hammer strap pin lock |
Aug. 26, 2008 |
| 7413212 |
Trailer theft-thwarting coupling dock |
Aug. 19, 2008 |
| 7390008 |
Trailer coupler |
Jun. 24, 2008 |
| 7378013 |
Gooseneck trailer coupler |
May. 27, 2008 |
| 7370844 |
Universal utility trailer tilter |
May. 13, 2008 |
| 7353671 |
Adjustable width coupler latch lock |
Apr. 8, 2008 |
| 7347441 |
Towing accessory system |
Mar. 25, 2008 |
| 7338065 |
Hitch assembly |
Mar. 4, 2008 |
| 7334809 |
Trailer hitch assembly |
Feb. 26, 2008 |
| 7306254 |
Trailer kingpin locking device |
Dec. 11, 2007 |
| 7300068 |
Trailer coupler integral keyed lock |
Nov. 27, 2007 |
| 7264261 |
Pintle hitch adaptor for drawbar or DMI bumper |
Sep. 4, 2007 |
| 7246810 |
Hitch locking module |
Jul. 24, 2007 |
| 7237792 |
Protective cushion for a trailer hitch or the like |
Jul. 3, 2007 |
| 7232145 |
Trailer hitch alignment mechanism |
Jun. 19, 2007 |
| 7204507 |
Ball hitch covering |
Apr. 17, 2007 |
| 7204508 |
Trailer lock |
Apr. 17, 2007 |
| 7192046 |
Pintle hitch guard |
Mar. 20, 2007 |
| 7174751 |
Method of using a kingpin lock holder |
Feb. 13, 2007 |
| 7165348 |
Methods and apparatus for limiting attachment access to a plow |
Jan. 23, 2007 |
| 7125035 |
Lubricating hitch receiver cover |
Oct. 24, 2006 |
| 7121574 |
Pin box assembly having interchangeable hitch couplers |
Oct. 17, 2006 |
| 7121121 |
Locking device for trailer hitches and method therefor |
Oct. 17, 2006 |
| 7107799 |
Ball hitch locking device |
Sep. 19, 2006 |
| 7104563 |
Integral locking coupler |
Sep. 12, 2006 |
| 7100937 |
Locking device for gooseneck trailers |
Sep. 5, 2006 |
| 7090238 |
Trailer hitch assembly and method |
Aug. 15, 2006 |
| 7086661 |
Retractable curtain for towing vehicles |
Aug. 8, 2006 |
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