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Class Information
Number: 33/533
Name: Geometrical instruments > Gauge > Straightness, flatness, or alignment
Description: Subject matter wherein the contact member (a) gauges an object that has an axis to determine whether the axis is a straight line, (b) gauges an object to determine if the surface has every point in the same flat plane, or (c) gauges an object at certain points to determine that the points are at the proper location.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8671583 Alignment device Mar. 18, 2014
8671628 Spacing/levelling device for laying slab products for surface cladding Mar. 18, 2014
8650768 Testing device for planeness Feb. 18, 2014
8635815 Leveling spacer for laying wall tiles, paving tiles and the like with the interposition of gaps Jan. 28, 2014
8589116 Object sensor Nov. 19, 2013
8533969 Apparatus for adjusting planarity of workpiece Sep. 17, 2013
8467978 Identifying features on a surface of an object using wavelet analysis Jun. 18, 2013
8457926 Disk protrusion detection/flatness measurement circuit and disk glide tester Jun. 4, 2013
8417423 Robotic platform for collecting data to emulate material handling vehicle mast angles Apr. 9, 2013
8407906 Window frame deflection measurement device and method of use Apr. 2, 2013
8272139 Curvature examining jig Sep. 25, 2012
8230612 Installed flight control rod straightness check tool Jul. 31, 2012
8196306 Post-weld offset gage Jun. 12, 2012
8104187 Window frame deflection measurement device and method of use Jan. 31, 2012
8079154 Apparatus and method for measuring curvature of tubes Dec. 20, 2011
8065812 Detecting apparatus Nov. 29, 2011
7987609 Perpendicularity measuring device Aug. 2, 2011
7938706 Deflection inspecting device for spark plug insulator, deflection inspecting method for spark plug insulator, and manufacturing method for spark plug insulator May. 10, 2011
7918035 Skate blading squareness indicator Apr. 5, 2011
7908750 System and method for decorating cakes and confections Mar. 22, 2011
7905029 Adjustment device for the alignment of supporting parts on structures having inherent dimensional tolerances Mar. 15, 2011
7905030 Linearity measuring apparatus for wafer orientation flat Mar. 15, 2011
7779550 Micrometer-based measuring system and method of using same Aug. 24, 2010
7779551 Testing apparatus for testing perpendicularity Aug. 24, 2010
7774950 Leveling device Aug. 17, 2010
7765705 Methods and devices for characterizing a surface Aug. 3, 2010
7743525 Planeness testing apparatus Jun. 29, 2010
7726035 Measuring device Jun. 1, 2010
7707735 Hole angularity gage and methods of operation and manufacture therefor May. 4, 2010
7703215 Flange alignment tool Apr. 27, 2010
7690128 Fork alignment tool Apr. 6, 2010
7587835 Device and a method for examination of the straightness of needles Sep. 15, 2009
7584546 Alignment control for a water-jet cutting system Sep. 8, 2009
7584550 Apparatus and method for measuring waviness of sheet materials Sep. 8, 2009
7467477 Rear derailleur hanger alignment tool Dec. 23, 2008
7443157 Device and method for planeness testing Oct. 28, 2008
7430887 Roller for determining variations in flatness Oct. 7, 2008
7428783 Testing system for flatness and parallelism Sep. 30, 2008
7421797 Cabinet partition positioner Sep. 9, 2008
7381904 Disk drive printed circuit board with component-dedicated alignment line indicators including inner and outer line segments Jun. 3, 2008
7356939 System and method for measuring wind deflector height Apr. 15, 2008
7343690 Shape-measuring device Mar. 18, 2008
7345773 Movable-type flatness measurement apparatus Mar. 18, 2008
7340843 Verticality examining apparatus having sensors Mar. 11, 2008
7335280 Method and equipment in the measurement of the flatness of the flow surface of the headbox of a paper machine Feb. 26, 2008
7322229 Device and method for measuring the profile of a surface Jan. 29, 2008
7313872 Board alignment tool and method Jan. 1, 2008
7308766 Satellite antenna alignment device and method Dec. 18, 2007
7299563 Device for positioning measuring instruments Nov. 27, 2007
7267018 Steering lock system inspection device Sep. 11, 2007

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