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Class Information
Number: 33/501.6
Name: Geometrical instruments > Gauge > Comparator > Electric type
Description: Subject matter having an indicator controlled by an electric circuit or an electric indicator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7398602 |
Precision dendrometer |
Jul. 15, 2008 |
| 6879653 |
Method and device for measuring the diameter of a peripheral rod in a fuel assembly of a nuclear reactor |
Apr. 12, 2005 |
| 6822565 |
Wireless gauge alert |
Nov. 23, 2004 |
| 6782677 |
Tablet detecting system for molding tablet supplying apparatus |
Aug. 31, 2004 |
| 6438858 |
Electronic feeler gauge |
Aug. 27, 2002 |
| 5440819 |
Actuator and programmable amplifier for an expanding plug gage head |
Aug. 15, 1995 |
| 5136789 |
Variable inductance transducers |
Aug. 11, 1992 |
| 5125165 |
Precision linear measuring device having an improved spindle mounting device |
Jun. 30, 1992 |
| 5072524 |
Electronic sensor for the measurement of linear magnitudes |
Dec. 17, 1991 |
| 4977685 |
Planar thickness gauge |
Dec. 18, 1990 |
| 4970798 |
Recess contour gauge |
Nov. 20, 1990 |
| 4848161 |
Extensometer |
Jul. 18, 1989 |
| 4831740 |
Device for indicating the size of an object |
May. 23, 1989 |
| 4697246 |
Method and apparatus for detecting the engagement of a proper number of articles |
Sep. 29, 1987 |
| 4680865 |
Apparatus for checking linear dimensions |
Jul. 21, 1987 |
| 4606129 |
Gap and flushness measuring tool |
Aug. 19, 1986 |
| 4567663 |
Measuring device |
Feb. 4, 1986 |
| 4555855 |
Electronic gauge with at least one movable arm and a retraction device |
Dec. 3, 1985 |
| 4473951 |
Gauging head for checking dimensions of workpieces |
Oct. 2, 1984 |
| 4419829 |
Head for bore gauge |
Dec. 13, 1983 |
| 4385444 |
Plug comparator for checking the diameter of holes |
May. 31, 1983 |
| 4244108 |
Excitation circuitry for variable reluctance transducer |
Jan. 13, 1981 |
| 4233744 |
Apparatus for the geometrical checking of workpieces having surfaces of rotation |
Nov. 18, 1980 |
| 4205449 |
Microcalipers with calculator-assisted display |
Jun. 3, 1980 |
| 4197650 |
Compact column gage |
Apr. 15, 1980 |
| 4192073 |
Process gaging apparatus |
Mar. 11, 1980 |
| 4112355 |
Quality and fit measuring apparatus for fasteners and their holes |
Sep. 5, 1978 |
| 3996669 |
Wide-range device for measuring the linear sizes of mechanical workpieces |
Dec. 14, 1976 |
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