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Class Information
Number: 33/264
Name: Geometrical instruments > Straight-line light ray type > Structurally installed > Vehicle
Description: Device installed in or mounted upon a vehicle.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7415771 |
Apparatus onboard a vehicle for instructing axle alignment |
Aug. 26, 2008 |
| 7354057 |
Laser guided trailer alignment system |
Apr. 8, 2008 |
| 7243431 |
Trailer hitch alignment device |
Jul. 17, 2007 |
| 7111863 |
Trailer alignment aid with universal mounting device |
Sep. 26, 2006 |
| 7103986 |
Adjustable agricultural marker system and method of manufacture |
Sep. 12, 2006 |
| 7066276 |
Method and apparatus for excavating earth to a desired depth |
Jun. 27, 2006 |
| 7057498 |
Apparatus for vehicle/trailer hitch guidance device |
Jun. 6, 2006 |
| 7043342 |
Vehicle tracking driver assistance system |
May. 9, 2006 |
| 7036840 |
Trailer alignment apparatus |
May. 2, 2006 |
| 6990745 |
Trailer hitch alignment system |
Jan. 31, 2006 |
| 6967593 |
Emergency vehicle approach warning method and system |
Nov. 22, 2005 |
| 6880256 |
Alignment device |
Apr. 19, 2005 |
| 6880255 |
Highway parameter gauge for precise operation of a tractor-trailer |
Apr. 19, 2005 |
| 6827363 |
Trailer hitch alignment apparatus |
Dec. 7, 2004 |
| 6823246 |
Measuring wheel base parallelism with a position determination system |
Nov. 23, 2004 |
| 6814023 |
Vehicle parking guide and signaling apparatus |
Nov. 9, 2004 |
| 6772525 |
Laser device for guiding a vehicle |
Aug. 10, 2004 |
| 6734786 |
Line guide |
May. 11, 2004 |
| 6688007 |
Lane alignment driving aid |
Feb. 10, 2004 |
| 6651581 |
Back-up range guide for vehicles |
Nov. 25, 2003 |
| 6612603 |
Trailer hitch alignment system |
Sep. 2, 2003 |
| 6598982 |
Rearview mirror alignment device |
Jul. 29, 2003 |
| 6585281 |
Vehicle alignment system |
Jul. 1, 2003 |
| 6557483 |
Vehicle trailer hitch flag display apparatus |
May. 6, 2003 |
| 6547405 |
Vehicle side view mirror blind spot adjustment method |
Apr. 15, 2003 |
| 6540247 |
Hitch guide mechanism |
Apr. 1, 2003 |
| 6517098 |
Device to align hitch |
Feb. 11, 2003 |
| 6499851 |
Trailer back-up mirror |
Dec. 31, 2002 |
| 6501536 |
Method and apparatus for determining the location of an occupant of a vehicle |
Dec. 31, 2002 |
| 6499869 |
Vehicle lane verification device and method |
Dec. 31, 2002 |
| 6460260 |
Mobile cruiser machine for forestry applications |
Oct. 8, 2002 |
| 6425186 |
Apparatus and method of surveying |
Jul. 30, 2002 |
| 6422706 |
Apparatus and method for positioning a mirror in a motor vehicle to ensure correct coverage of a critical field of view |
Jul. 23, 2002 |
| 6386572 |
Trailer hitch apparatus and methods of using same |
May. 14, 2002 |
| 6357126 |
Trailer hitch alignment device |
Mar. 19, 2002 |
| 6345586 |
Method for confirming vehicle travel position and equipment for displaying vehicle travel position |
Feb. 12, 2002 |
| 6341794 |
Trailer hitch alignment apparatus |
Jan. 29, 2002 |
| 6318747 |
Apparatus and methods for aligning trailer hitch components |
Nov. 20, 2001 |
| 6273448 |
Trailer hitch and tongue alignment system |
Aug. 14, 2001 |
| 6239926 |
Apparatus for visual alignment during trailer hitch-up |
May. 29, 2001 |
| 6222457 |
Electronic trailer hitching system |
Apr. 24, 2001 |
| 6213608 |
Trailer hitch alignment mirror |
Apr. 10, 2001 |
| 6209478 |
Garage door with opener and parking position indicator |
Apr. 3, 2001 |
| 6209902 |
Vehicle hitch and trailer tongue alignment system |
Apr. 3, 2001 |
| 6198386 |
Vehicle guidance assembly and method |
Mar. 6, 2001 |
| 6178650 |
Trailer hitch positioning system |
Jan. 30, 2001 |
| 6151175 |
Tracking mirror for a tow vehicle |
Nov. 21, 2000 |
| 6139041 |
Trailer hitching alignment aid |
Oct. 31, 2000 |
| 6125944 |
Telescoping field marker |
Oct. 3, 2000 |
| 6119353 |
Method and apparatus for non-contact measuring of the deflection of roads or rails |
Sep. 19, 2000 |
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