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Class Information
Number: 280/407.1
Name: Land vehicles > Wheeled > Articulated vehicle > Load distribution adjustment > Semitrailer type
Description: Vehicles in which the trailing vehicle has wheels at the rear end only, the front end being supported on the leading vehicle at or ahead of the wheels and axles thereof.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404466 |
Locking pin locator |
Jul. 29, 2008 |
| 7261177 |
Pneumatic locking pin operating system for a trailer slider |
Aug. 28, 2007 |
| 7219913 |
Articulated vehicle wheel tracking mechanism |
May. 22, 2007 |
| 7108274 |
Carrier assembly for movably supporting a fifth wheel assembly |
Sep. 19, 2006 |
| 7097192 |
Trailer slider locking pin interlock with parking brake |
Aug. 29, 2006 |
| 7044250 |
Detachable suspension mounting |
May. 16, 2006 |
| 6921100 |
Axle weight distribution system |
Jul. 26, 2005 |
| 6793233 |
Trailer slider pin control system |
Sep. 21, 2004 |
| 6641157 |
Method for securing slider to trailer |
Nov. 4, 2003 |
| 6488303 |
Collapsible suspension slider pin |
Dec. 3, 2002 |
| 6471227 |
Method for securing slider to trailer |
Oct. 29, 2002 |
| 6435536 |
Operating system for locking pins for sliding undercarriages |
Aug. 20, 2002 |
| 6409192 |
Slider pin release mechanism for a semi-trailer |
Jun. 25, 2002 |
| 6398250 |
Trailer hitch |
Jun. 4, 2002 |
| 6384716 |
Trailer slider repositioning alarm |
May. 7, 2002 |
| 6345832 |
Axle adjustment apparatus |
Feb. 12, 2002 |
| 6322091 |
Pin retractor operator |
Nov. 27, 2001 |
| 6279933 |
Locking mechanism for movable subframe of semi-trailers |
Aug. 28, 2001 |
| 6240339 |
Vehicle rear axle load relief method and system |
May. 29, 2001 |
| 6231064 |
Automotive transport tractors, semi-trailers, trailers and combinations thereof |
May. 15, 2001 |
| 6213489 |
Operating system for locking pins for sliding undercarriages |
Apr. 10, 2001 |
| 6203045 |
System for automatically controlling weight distribution among truck axles |
Mar. 20, 2001 |
| 6120051 |
Apparatus for the transportation of trucks |
Sep. 19, 2000 |
| 6036207 |
Slide axle trailer |
Mar. 14, 2000 |
| 5863057 |
Semitrailer load balancing system |
Jan. 26, 1999 |
| 5860668 |
Semitrailer having an extendible dolly |
Jan. 19, 1999 |
| 5833253 |
Locking mechanism for movable subframe of tractor-trailers |
Nov. 10, 1998 |
| 5797615 |
Heavy equipment trailer with adjustable tower |
Aug. 25, 1998 |
| 5785341 |
Pneumatic isolator stabilizing assembly |
Jul. 28, 1998 |
| 5722677 |
Apparatus for the transportation of trucks |
Mar. 3, 1998 |
| 5718443 |
Longitudinally and vertically adjustable axle assembly |
Feb. 17, 1998 |
| 5716071 |
Electrically operated slider release |
Feb. 10, 1998 |
| 5707070 |
Adjustable fifth wheel hitch |
Jan. 13, 1998 |
| 5658000 |
Apparatus for adjusting the position of semi-trailer axles |
Aug. 19, 1997 |
| 5642896 |
Locking pins for movable subframe of tractor-trailers |
Jul. 1, 1997 |
| 5630603 |
Retractable trailer coupling assembly |
May. 20, 1997 |
| 5564727 |
Locking pins used with a locking system for a semitrailer sliding undercarriage |
Oct. 15, 1996 |
| 5564725 |
Pneumatically operated slider locking mechanism |
Oct. 15, 1996 |
| 5507514 |
Dockable container chassis |
Apr. 16, 1996 |
| 5507511 |
Means for controlling an air powered actuator for retracting the locking pins of a slider |
Apr. 16, 1996 |
| 5490754 |
Hydraulic upper deck ramp for a trailer |
Feb. 13, 1996 |
| 5476277 |
Safety switch and delay switch for an air powered actuator for retracting the locking pins of a slider |
Dec. 19, 1995 |
| 5465990 |
Locking system for a semitrailer sliding undercarriage |
Nov. 14, 1995 |
| 5462301 |
Means for mounting an air powered actuator for retracting the locking pins of a slider |
Oct. 31, 1995 |
| 5460397 |
Truck trailer sliding bogey |
Oct. 24, 1995 |
| 5449190 |
Trailer pin puller |
Sep. 12, 1995 |
| 5388849 |
Compact weight transfer device for tractor trailer vehicles |
Feb. 14, 1995 |
| 5314201 |
Locking system for a semitrailer sliding undercarriage |
May. 24, 1994 |
| 5301615 |
Railcar moving vehicle having monitored weight transfer process including sensors for sensing transfer of full weight |
Apr. 12, 1994 |
| 5271638 |
Truck steering stabilizer |
Dec. 21, 1993 |
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