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Class Information
Number: 33/542
Name: Geometrical instruments > Gauge > Internal
Description: Subject matter wherein the contact member contacts the inside of a passageway or cavity within an object or the earth.


Sub-classes under this class:

Class Number Class Name Patents
33/543 Concentricity or eccentricity 62
33/544 Earth cavity or tube 68
33/543.1 Fluid type 9
33/544.5 Having more than two probes 30
33/544.4 Tapered probe 22
33/542.1 Telescoping caliper or stem gauge 17


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7430813 Device for measuring seal gaps of vehicles Oct. 7, 2008
7409775 Apparatus and method for determining feedscrew and barrel wear Aug. 12, 2008
7363721 Countersink gauge having self-centering probe Apr. 29, 2008
7350309 Extendable spacer device Apr. 1, 2008
7347002 Barrel measuring device Mar. 25, 2008
7329076 Hole location gauges and methods Feb. 12, 2008
7322252 Apparatus for taking measurements in access manholes Jan. 29, 2008
7316077 Probe for sensing the position of an object Jan. 8, 2008
7296361 Measuring device and method of measuring Nov. 20, 2007
7285251 Tool for loading reactor tubes Oct. 23, 2007
7262593 Device for monitoring dimensional, shape, and positional tolerances of a mechanical workpiece Aug. 28, 2007
7251901 Measurement device and process Aug. 7, 2007
7243437 Decoding device for double-sided keys Jul. 17, 2007
7231724 Nozzle seal slot measuring tool and method Jun. 19, 2007
7228639 Invert measuring device Jun. 12, 2007
7194819 Opposed type fulcrum member of lever detector Mar. 27, 2007
7188429 Dimensional gage with hollow spindle Mar. 13, 2007
7143522 Drop-in bore gauge apparatus for female articulated connector Dec. 5, 2006
7134216 Device for length and depth measurements in surgery Nov. 14, 2006
7007396 Replacement heart valve sizing device Mar. 7, 2006
6966881 Cervical dilation monitor Nov. 22, 2005
6952883 Dimension-measuring column and method for entering a command to switch the measure mode in such a column Oct. 11, 2005
6948258 Device for measuring the internal diameter of a pipe Sep. 27, 2005
6935038 Gap gauge Aug. 30, 2005
6931748 Riser and tubular inspection systems Aug. 23, 2005
6904693 Method and device for defining elastic deformations and internal angle of a gyratory compactor Jun. 14, 2005
6901675 System and method for sizing a center bore of a laminated rotor Jun. 7, 2005
6889541 Apparatus for measuring bore distortion of a cylinder block May. 10, 2005
6871415 Container plug gauge and method of use Mar. 29, 2005
6868618 Gauge and method Mar. 22, 2005
6848189 Method and apparatus for measuring a distance Feb. 1, 2005
6845566 Rotating feeler gage Jan. 25, 2005
6833706 Hole displacement measuring system and method using a magnetic field Dec. 21, 2004
6802133 Dimension-measuring column and method for entering a command to switch the measure mode in such a column Oct. 12, 2004
6782634 Sensor and method for locating a discontinuity Aug. 31, 2004
6751881 Deflection gauge dislodging system Jun. 22, 2004
6732443 Digital kerf measurement apparatus and method May. 11, 2004
6678964 Tracer device Jan. 20, 2004
6678962 Device and method for assessing the geometry of a heart valve Jan. 20, 2004
6668467 Scale member, method of producing the same and displacement measuring apparatus therewith Dec. 30, 2003
6655038 Work station set-up gauge with remote readout Dec. 2, 2003
6634114 Gage set for measuring inside and outside diameters of ring shaped parts Oct. 21, 2003
6598307 Device and method for assessing the geometry of a heart valve Jul. 29, 2003
6560888 Internal shim May. 13, 2003
6516533 Device and process for measuring the mutual orientation of hollow cylinder and an assigned cut edge Feb. 11, 2003
6490804 Comparison gauge for automotive starters Dec. 10, 2002
6490805 Bore gage head assembly Dec. 10, 2002
6477783 Gyratory compactor angle measurement device Nov. 12, 2002
6438861 Armature slot radial clearance-gauging device Aug. 27, 2002
6438858 Electronic feeler gauge Aug. 27, 2002

1 2 3 4 5


 
 
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