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Class Information
Number: 250/358.1
Name: Radiant energy > Invisible radiant energy responsive electric signalling > With means to inspect passive solid objects
Description: Subject matter having, in addition to an electric signalling means, a source of invisible radiant energy and means to support, position, or accommodate a material in the solid state in the radiation path from the source to the signalling means, the signalling means responding to radiation from the source passing through the material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4582991 |
Method of measuring the density of a material |
Apr. 15, 1986 |
| 4580053 |
Backscatter detection inspection apparatus for tubular goods |
Apr. 1, 1986 |
| 4575634 |
Assaying composite structures |
Mar. 11, 1986 |
| 4574194 |
Method and apparatus for monitoring the manufacture of a two-component web |
Mar. 4, 1986 |
| 4574387 |
Apparatus and method for measuring thickness |
Mar. 4, 1986 |
| 4564761 |
Method and apparatus for the enhanced detection of a component of a material |
Jan. 14, 1986 |
| 4555767 |
Method and apparatus for measuring thickness of epitaxial layer by infrared reflectance |
Nov. 26, 1985 |
| 4549079 |
Apparatus for measuring thickness of paint coating |
Oct. 22, 1985 |
| 4542297 |
Apparatus for measuring profile thickness of strip material |
Sep. 17, 1985 |
| 4542295 |
Spectrometer with selectable area detector |
Sep. 17, 1985 |
| 4539648 |
Detection of agricultural contraband in baggage |
Sep. 3, 1985 |
| 4535246 |
Fast neutron radiography system |
Aug. 13, 1985 |
| 4520267 |
Method and apparatus for analyzing ore by means of gamma radiation |
May. 28, 1985 |
| 4515165 |
Apparatus and method for detecting tumors |
May. 7, 1985 |
| 4514257 |
Method of measuring fines in pulp suspensions |
Apr. 30, 1985 |
| 4511801 |
Radiation scanning and measuring device |
Apr. 16, 1985 |
| 4511800 |
Optical reflectance method for determining the surface roughness of materials in semiconductor processing |
Apr. 16, 1985 |
| 4510389 |
Infrared film thickness gage |
Apr. 9, 1985 |
| 4506541 |
Measurement of bulk density of particulate materials |
Mar. 26, 1985 |
| 4494001 |
Detection of concealed materials |
Jan. 15, 1985 |
| 4491731 |
Tube wall thickness measurement |
Jan. 1, 1985 |
| 4481418 |
Fiber optic scanning system for laser/thermal inspection |
Nov. 6, 1984 |
| 4475041 |
Aperture device for measuring thin films |
Oct. 2, 1984 |
| 4467198 |
Radiation shielding arrangement for coating thickness measurement device |
Aug. 21, 1984 |
| 4467212 |
Radioactive source pigtail inspection apparatus and method |
Aug. 21, 1984 |
| 4463263 |
Positron-annihilation-radiation transmission gauge |
Jul. 31, 1984 |
| 4454605 |
Modular X-ray inspection apparatus |
Jun. 12, 1984 |
| 4439675 |
Moisture and density gauge |
Mar. 27, 1984 |
| 4437000 |
Aperture piece and method for calibrating backscatter thickness measuring instruments for measuring concave workpieces |
Mar. 13, 1984 |
| 4435643 |
Gammanetric thickness measuring apparatus |
Mar. 6, 1984 |
| 4435829 |
Apparatus for radiographic examination of pipe welds |
Mar. 6, 1984 |
| 4433242 |
ESR Hollows molten metal/slag interface detection |
Feb. 21, 1984 |
| 4430568 |
Container inspection system |
Feb. 7, 1984 |
| 4428672 |
Variable threshold workpiece examination |
Jan. 31, 1984 |
| 4429225 |
Infrared thickness measuring device |
Jan. 31, 1984 |
| 4424445 |
Portable coating thickness measuring device |
Jan. 3, 1984 |
| 4423328 |
Measuring system for use in the radiation measurement of layer thicknesses and the like |
Dec. 27, 1983 |
| 4423327 |
Food stuff maturity sensing and inspection apparatus |
Dec. 27, 1983 |
| 4406948 |
Device for measuring thin films by means of beta radiation |
Sep. 27, 1983 |
| 4399361 |
Device for multisample infrared analysis of materials in microgram quantity |
Aug. 16, 1983 |
| 4393305 |
Method of tube wall thickness measurement |
Jul. 12, 1983 |
| 4393312 |
Variable-spot scanning in an electron beam exposure system |
Jul. 12, 1983 |
| 4392237 |
Scanning x-ray inspection system |
Jul. 5, 1983 |
| 4386707 |
Laser beam imperfection detection for plastic film rolls |
Jun. 7, 1983 |
| 4382383 |
Pipe inspection device |
May. 10, 1983 |
| 4379481 |
X-Ray apparatus and closure mechanism therefor |
Apr. 12, 1983 |
| 4362939 |
Method and apparatus for measurement of moisture |
Dec. 7, 1982 |
| 4359638 |
Method for continuously determining the composition of butter and similar substances from a manufacturing process |
Nov. 16, 1982 |
| 4356874 |
Weight controller for canned food and the like |
Nov. 2, 1982 |
| 4354110 |
Chamber for measuring gamma ray emissions |
Oct. 12, 1982 |
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