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Class Information
Number: 33/227
Name: Geometrical instruments > Straight-line light ray type
Description: Devices or method utilizing nonrefracted light rays and direct sighting for determining the characteristics and the mutual relations of points, lines, angles, surfaces and solids considered as having no properties other than those arising from extension and/or relationship of position or location.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7412770 |
Device for adjusting the angle of a sighting unit to a target |
Aug. 19, 2008 |
| 7353619 |
Dual purpose light assembly |
Apr. 8, 2008 |
| 7325318 |
Compact multifunction sight |
Feb. 5, 2008 |
| 7287336 |
Apparatus for producing a visible line of light on a surface, particularly a wall |
Oct. 30, 2007 |
| 7216436 |
Method and apparatus for locating and aligning fasteners |
May. 15, 2007 |
| 7181855 |
Methods and devices for enhancing intensity of on-surface lines cast by laser line projectors or the like |
Feb. 27, 2007 |
| 7174655 |
Dual purpose light for automatic tape measure |
Feb. 13, 2007 |
| 7165332 |
Method and apparatus for positioning a billiard game rack |
Jan. 23, 2007 |
| 7155834 |
Laser alignment method and apparatus |
Jan. 2, 2007 |
| 7121010 |
Line generating device |
Oct. 17, 2006 |
| 7116697 |
Laser level |
Oct. 3, 2006 |
| 7107980 |
Carpenter's marking device |
Sep. 19, 2006 |
| 7100293 |
Laser alignment tool adapter |
Sep. 5, 2006 |
| 7076879 |
Stabilizer jig for distance measuring laser |
Jul. 18, 2006 |
| 7065890 |
Adjustable support device for level facility |
Jun. 27, 2006 |
| 7051452 |
Foot scanning and measurement system and method |
May. 30, 2006 |
| 7027480 |
Laser level |
Apr. 11, 2006 |
| 7024780 |
Method and device for determining the rectilinearity of guide rails |
Apr. 11, 2006 |
| 6996910 |
Laser leveling device for generating parallel lines |
Feb. 14, 2006 |
| 6931737 |
Laser level device |
Aug. 23, 2005 |
| 6928742 |
Method and apparatus for finding the position of a mechanical axis of a limb |
Aug. 16, 2005 |
| 6915582 |
Alignment structure |
Jul. 12, 2005 |
| 6912792 |
Apparatus for determining a level surface |
Jul. 5, 2005 |
| 6909551 |
Side by side laser level device |
Jun. 21, 2005 |
| 6906864 |
Light altering device |
Jun. 14, 2005 |
| 6906310 |
Level |
Jun. 14, 2005 |
| 6901673 |
Tie-in device for the correlation of coordinate systems |
Jun. 7, 2005 |
| 6880256 |
Alignment device |
Apr. 19, 2005 |
| 6855152 |
Laser pointer |
Feb. 15, 2005 |
| 6856470 |
Rod lens and laser marking apparatus |
Feb. 15, 2005 |
| 6854191 |
Alignment laser projection system |
Feb. 15, 2005 |
| 6833962 |
Light altering device |
Dec. 21, 2004 |
| 6826841 |
Rotatable light leveling device |
Dec. 7, 2004 |
| 6807741 |
Fluidtight level device |
Oct. 26, 2004 |
| 6804892 |
Alignment device with multiple spring systems |
Oct. 19, 2004 |
| 6796040 |
Line laser device |
Sep. 28, 2004 |
| 6763597 |
Arrangement and process for determining the relative alignment of two bodies |
Jul. 20, 2004 |
| 6763596 |
Laser alignment device |
Jul. 20, 2004 |
| 6751879 |
Laser meter |
Jun. 22, 2004 |
| 6725551 |
Apparatus and method for transferring target points from one surface to another |
Apr. 27, 2004 |
| 6725552 |
Methods and apparatus for mounting and aligning an occupancy sensor |
Apr. 27, 2004 |
| 6724471 |
Arrangement for the vertical orientation of a geodetic instrument |
Apr. 20, 2004 |
| 6718644 |
System for aligning a hub/mast with a soffit penetration point and method of using same |
Apr. 13, 2004 |
| 6708414 |
Apparatus for converting an optical theodolite into a laser theodolite |
Mar. 23, 2004 |
| 6694629 |
Laser projector for producing intersecting lines on a surface |
Feb. 24, 2004 |
| 6679609 |
Laser beam irradiation device |
Jan. 20, 2004 |
| 6609307 |
Laser system for positioning a rack for a pool game |
Aug. 26, 2003 |
| 6606797 |
Laser sighting device |
Aug. 19, 2003 |
| 6606798 |
Laser level |
Aug. 19, 2003 |
| 6588115 |
Combination laser level line and plumb line generator |
Jul. 8, 2003 |
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