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Class Information
Number: 250/343
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With means to transmission-test contained fluent material
Description: Subject matter having a source of infrared radiation in addition to the signalling means and means to confine a gas, fluid or fluid-like material between the source and the signalling means so that the signalling means responds to radiation, from the source, that passes through the material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616888 |
Method and system for measuring optical properties of a medium using digital communication processing techniques |
Nov. 10, 2009 |
| 7601959 |
Thin type vacuum chamber device |
Oct. 13, 2009 |
| 7598494 |
Automated FTIR gas analyzer |
Oct. 6, 2009 |
| 7586094 |
Background compensation by multiple-peak measurements for absorption spectroscopy-based gas sensing |
Sep. 8, 2009 |
| 7582873 |
Method and apparatus for detecting the type of anesthetic gas |
Sep. 1, 2009 |
| 7569823 |
Compact near-IR and mid-IR cavity ring down spectroscopy device |
Aug. 4, 2009 |
| 7569821 |
Biological information measuring apparatus |
Aug. 4, 2009 |
| 7564033 |
Microstructured sensor |
Jul. 21, 2009 |
| 7541586 |
Compact near-IR and mid-IR cavity ring down spectroscopy device |
Jun. 2, 2009 |
| 7541587 |
Gas sensor |
Jun. 2, 2009 |
| 7535006 |
Gaseous uranium hexafluride isotope measurement by diode laser spectroscopy |
May. 19, 2009 |
| 7535007 |
Multiple chamber dual channel infrared gas detection system |
May. 19, 2009 |
| 7528373 |
Method and system for detection of gas leakage sources |
May. 5, 2009 |
| 7524681 |
Rapid assay for biological substances using FTIR |
Apr. 28, 2009 |
| 7525093 |
Liquid or gas sensor and method |
Apr. 28, 2009 |
| 7518113 |
Pressure sensor |
Apr. 14, 2009 |
| 7507967 |
Infrared gas detector |
Mar. 24, 2009 |
| 7501630 |
Gas measurement system |
Mar. 10, 2009 |
| 7488942 |
Gas sensors |
Feb. 10, 2009 |
| 7482591 |
Carbonate scale detector |
Jan. 27, 2009 |
| 7477395 |
Measuring device |
Jan. 13, 2009 |
| 7473898 |
Cryogenic terahertz spectroscopy |
Jan. 6, 2009 |
| 7473897 |
System, method, and computer program for conducting optical transmission measurements and evaluating determined measuring variables |
Jan. 6, 2009 |
| 7459699 |
Method of determining processing position in charged particle beam apparatus, and infrared microscope used in the method |
Dec. 2, 2008 |
| 7456969 |
Device and method for monitoring the oxygen concentration in an aircraft tank |
Nov. 25, 2008 |
| 7456971 |
Optical gas sensing apparatus |
Nov. 25, 2008 |
| 7446317 |
Multipass cell for gas analysis using a coherent optical source |
Nov. 4, 2008 |
| 7442936 |
Infrared spectroscopy method for measuring the base number of overbased lubricants |
Oct. 28, 2008 |
| 7435391 |
Light-mediated micro-chemical reactors |
Oct. 14, 2008 |
| 7435963 |
Flow cell and methods of use thereof |
Oct. 14, 2008 |
| 7432508 |
Gas measurement system |
Oct. 7, 2008 |
| 7427760 |
Infrared spectrometer |
Sep. 23, 2008 |
| 7420172 |
System and method for measuring water vapor in natural gas |
Sep. 2, 2008 |
| 7414244 |
Mixing ration detecting apparatus, method of controlling mixing ration detecting apparatus, and fuel cell system incorporating mixing ratio detecting apparatus |
Aug. 19, 2008 |
| 7397564 |
Turbidity sensor |
Jul. 8, 2008 |
| 7382459 |
Spectroscopic gas sensor, in particular for detecting at least one gas component in the ambient air, and method for manufacturing a spectroscopic gas sensor of this type |
Jun. 3, 2008 |
| 7379178 |
Flow through cell for optical spectroscopy |
May. 27, 2008 |
| 7373257 |
Photometrically modulated delivery of reagents |
May. 13, 2008 |
| 7354553 |
Method and apparatus for detecting the presence of elemental mercury in a gas sample |
Apr. 8, 2008 |
| 7351976 |
Monitoring system comprising infrared thermopile detector |
Apr. 1, 2008 |
| 7339168 |
System and method for detecting water vapor within natural gas |
Mar. 4, 2008 |
| 7339657 |
Low-cost on-line and in-line spectral sensors based on solid-state source and detectors combinations for monitoring lubricants and functional fluids |
Mar. 4, 2008 |
| 7332719 |
Gas sensor arrangement with improved long term stability and measuring method |
Feb. 19, 2008 |
| 7326931 |
Gas sensor assembly and measurement method with early warning means |
Feb. 5, 2008 |
| 7323687 |
infrared gas analyzer and infrared gas analysis method |
Jan. 29, 2008 |
| 7307259 |
System and method for controlling composition for lithography process in real time using near infrared spectrometer |
Dec. 11, 2007 |
| 7301640 |
System and method of condensation reduction in an electrical unit |
Nov. 27, 2007 |
| 7301641 |
Fiber optic smoke detector |
Nov. 27, 2007 |
| 7294839 |
Low volume sample cell and gas monitoring system using same |
Nov. 13, 2007 |
| 7291851 |
Infrared source modulation and system using same |
Nov. 6, 2007 |
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