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Class Information
Number: 33/834
Name: Geometrical instruments > Distance measuring > Single contact with a work engaging support > Adapted for a particular workpiece > Coating or surface layer thickness
Description: Subject matter wherein the article being measured is a laminated material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6977498 |
Measurement probe, in particular for an apparatus for measurement of the thickness of thin layers |
Dec. 20, 2005 |
| 6964115 |
Levelling rod for building construction |
Nov. 15, 2005 |
| 6938355 |
Adhesive bead height measuring system |
Sep. 6, 2005 |
| 6575115 |
Thickness gauge pin |
Jun. 10, 2003 |
| 6538434 |
Magnetically responsive device for measuring the thickness of magnetic films |
Mar. 25, 2003 |
| 6360447 |
Empty envelope assurance apparatus and method |
Mar. 26, 2002 |
| 6298574 |
Bituminous paving depth gauge |
Oct. 9, 2001 |
| 6138374 |
Apparatus for measuring coating thickness on a substrate and method thereof |
Oct. 31, 2000 |
| 6026586 |
Powder coating thickness gauge |
Feb. 22, 2000 |
| 6011391 |
Probe for measuring thin layers using a magnetic or eddy current process |
Jan. 4, 2000 |
| 5929633 |
Device for measuring the thickness of thin layers |
Jul. 27, 1999 |
| 5806398 |
Method and apparatus for determing the number of sheets in a stack |
Sep. 15, 1998 |
| 5575075 |
Thickness detecting device |
Nov. 19, 1996 |
| 5335424 |
Gauge for measuring radial distances on a cylindrical surface |
Aug. 9, 1994 |
| 5327659 |
Wet film thickness gauge |
Jul. 12, 1994 |
| 5311669 |
Non-magnetic printing press packing gauge |
May. 17, 1994 |
| 5235756 |
Portable coating thickness measuring device |
Aug. 17, 1993 |
| 5193289 |
Apparatus for measuring the thickness of thin layers |
Mar. 16, 1993 |
| 5134785 |
Method and apparatus to measure pile loop height |
Aug. 4, 1992 |
| 5094009 |
Gauge for measuring the thickness of a coating on a substrate |
Mar. 10, 1992 |
| 5084983 |
Printing press packing gauge support |
Feb. 4, 1992 |
| 5042160 |
Tapered caliper gauge pad |
Aug. 27, 1991 |
| 5006799 |
Low cost magnetic coating thickness gauge with holding magnet, bias spring and holding force indicator |
Apr. 9, 1991 |
| 4813147 |
Apparatus for interacting with both sides of a two-sided strip |
Mar. 21, 1989 |
| 4779352 |
Method and apparatus for measuring coating layer thicknesses on motor vehicle bodies |
Oct. 25, 1988 |
| 4776099 |
Wet film thickness gauge |
Oct. 11, 1988 |
| 4745684 |
Solder thickness measurement method and apparatus |
May. 24, 1988 |
| 4722142 |
Coating thickness gauge |
Feb. 2, 1988 |
| 4599562 |
Method and apparatus for magnetically measuring a coating with a plurality of magnets |
Jul. 8, 1986 |
| 4567436 |
Magnetic thickness gauge with adjustable probe |
Jan. 28, 1986 |
| 4539755 |
Turbine compressor clearance indicator device and method of using same |
Sep. 10, 1985 |
| 4433290 |
Magnetic coating thickness comparator having parallel magnetic rods with nonmagnetic slide indicators |
Feb. 21, 1984 |
| 4398412 |
Device for determining frost depth and density |
Aug. 16, 1983 |
| 4392305 |
Pencil shaped magnetic coating thickness gauge |
Jul. 12, 1983 |
| 4377037 |
Device and method for the measurement of the thickness of a wet coating |
Mar. 22, 1983 |
| 4343092 |
Probe guide and holder |
Aug. 10, 1982 |
| 4235018 |
Device for use in measuring the thickness of surface layers and coatings |
Nov. 25, 1980 |
| 4169319 |
Methods and apparatus for measuring the thickness of wet films |
Oct. 2, 1979 |
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