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Class Information
Number: 33/DIG.2
Name: Geometrical instruments > Air
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
7650701 Contour measuring probe Jan. 26, 2010
7594338 Contour measuring probe for measuring aspects of objects Sep. 29, 2009
7540096 Vacuum-actuated spherometer Jun. 2, 2009
7520067 Three-dimensional measurement probe Apr. 21, 2009
6871846 Suction-attached support device and method Mar. 29, 2005
6701633 Apparatus and method for measuring a shape using multiple probes Mar. 9, 2004
6588118 Non-contact sheet sensing system and related method Jul. 8, 2003
6526671 Adapter for checking the angular alignment of a roller which is to be precisely supported Mar. 4, 2003
6460257 Scribing method and apparatus Oct. 8, 2002
6357134 Height gauge Mar. 19, 2002
6308431 Air chuck with measuring function Oct. 30, 2001
6219931 Target base for a measuring system Apr. 24, 2001
6212786 Thin board holding device and method of and apparatus for measuring thickness of thin board Apr. 10, 2001
6192593 Internal shoe sizing apparatus and method for sizing shoes Feb. 27, 2001
6178657 Apparatus and method for measuring the relative differential length in a sheet of material Jan. 30, 2001
6082010 Stage apparatus having rotary table Jul. 4, 2000
6070332 Wheel alignment apparatus Jun. 6, 2000
6061917 Tool presetting device May. 16, 2000
6029361 Air-guage nozzle probe structure for microlithographic image focusing Feb. 29, 2000
6006437 Plug gauge for checking geometric features of parts with rotational symmetry Dec. 28, 1999
5979070 Method and apparatus for selectively locking a movement direction of a coordinate measurement probe Nov. 9, 1999
5915810 Telescoping measuring stick with air damped closure and frictional locking Jun. 29, 1999
5653037 Apparatus and method for measurement of tapped hole Aug. 5, 1997
5619803 Pneumatic measurement plug Apr. 15, 1997
5528938 Method and apparatus for measuring length of conduit and for diagnosing inside of conduit Jun. 25, 1996
5505086 Method and apparatus for measuring length of conduit and for diagnosing inside of conduit Apr. 9, 1996
5473822 Continuous air flow probe transducer gage assembly Dec. 12, 1995
5357684 Centering device for a mechanical probe Oct. 25, 1994
5347723 Air bearing control system Sep. 20, 1994
5246316 Work table orientation apparatus and method Sep. 21, 1993
5193286 Modular gage Mar. 16, 1993
5191720 Spot welding inspecting apparatus Mar. 9, 1993
5174039 Displacement-measuring apparatus, and static-pressure bearing device for use in the displacement-measuring apparatus Dec. 29, 1992
5163232 Semiconductor lead planarity checker Nov. 17, 1992
5107597 Magnetic compass Apr. 28, 1992
5022258 Gas gage with zero net gas flow Jun. 11, 1991
4854156 Pneumatic surface-following control system Aug. 8, 1989
4852262 Gauge for in situ measurement of borehole diameter Aug. 1, 1989
4719705 Reticle transporter Jan. 19, 1988
4704896 Air gage assembly Nov. 10, 1987
4627168 Gage position control Dec. 9, 1986
4586266 High precision gaging block May. 6, 1986
4563820 Aligning system Jan. 14, 1986
4532716 Tool presetting device with tapered air spindle mount Aug. 6, 1985
4525930 Apparatus for carrying machine elements Jul. 2, 1985
4507868 Coordinate measuring machine with a self aligning pneumatic counterbalance Apr. 2, 1985
4490913 Low contact force position sensing probe Jan. 1, 1985
4389781 Pneumatic counterbalance for a coordinate measuring machine Jun. 28, 1983
4377036 Precision measuring apparatus having a measuring interval sealed from environmental influences Mar. 22, 1983
4354379 Methods and apparatus for testing roundness and straightness of pipes and tubings Oct. 19, 1982

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