| |
 |
|
Class Information
Number: 356/70
Name: Optics: measuring and testing > Oil testing (e.g., contamination)
Description: Subject matter including structure for determining the physical properties of liquid oil by the optical response, such as produced by visible light transmitted through or reflected from the oil.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7466400 |
Device and method for automatically detecting at least one fluorescent and/or light absorbing indicator contained in a liquid service fluid during the process of filling the service fluid into |
Dec. 16, 2008 |
| 7408645 |
Method and apparatus for a downhole spectrometer based on tunable optical filters |
Aug. 5, 2008 |
| 7362422 |
Method and apparatus for a downhole spectrometer based on electronically tunable optical filters |
Apr. 22, 2008 |
| 7307717 |
Optical flow cell capable of use in high temperature and high pressure environment |
Dec. 11, 2007 |
| 7259017 |
Method of diagnosing lubricated portion and system of diagnosing lubricated portion |
Aug. 21, 2007 |
| 7172903 |
Method for on-line monitoring of lubricating oil using light in the visible and near IR spectra |
Feb. 6, 2007 |
| 7136155 |
Apparatus for measuring oil oxidation using fluorescent light reflected from oil |
Nov. 14, 2006 |
| 7126677 |
Bearing with oil film thickness measuring device |
Oct. 24, 2006 |
| 7003201 |
Flexible factory joint for metallic tubes which enclose loosely inside them optical fibers and its method of construction |
Feb. 21, 2006 |
| 6891606 |
Real-time on-line sensing and control of mineral scale deposition from formation fluids |
May. 10, 2005 |
| 6850317 |
Apparatus and methods for determining velocity of oil in a flow stream |
Feb. 1, 2005 |
| 6842234 |
Apparatus for measuring soot content in diesel engine oil in real time |
Jan. 11, 2005 |
| 6839137 |
Asphaltene aggregation in petroleum oil mixtures determined by small angle light scattering |
Jan. 4, 2005 |
| 6746610 |
Oil system, in particular a hydraulic or lubricating oil system |
Jun. 8, 2004 |
| 6730918 |
Apparatus for determining past-service conditions and remaining life of thermal barrier coatings and components having such coatings |
May. 4, 2004 |
| 6717658 |
Detection of liquids |
Apr. 6, 2004 |
| 6707556 |
Apparatus and method for analyzing fluids |
Mar. 16, 2004 |
| 6704109 |
Downhole fluorescence detection apparatus |
Mar. 9, 2004 |
| 6690452 |
Monitor having a polymer internal reflective element |
Feb. 10, 2004 |
| 6690453 |
Method and device for predicting the flocculation threshold of asphaltenes contained in hydrocarbon mixtures |
Feb. 10, 2004 |
| 6680777 |
Automatic transmission fluid tester |
Jan. 20, 2004 |
| 6598464 |
Oil and contaminants analyzer |
Jul. 29, 2003 |
| 6529273 |
Monitoring oil films |
Mar. 4, 2003 |
| 6490029 |
Automatic analysis method of crude petroleum oils using spectroscopy |
Dec. 3, 2002 |
| 6400277 |
Monitor for detecting failures of neon sign transformers |
Jun. 4, 2002 |
| 6184980 |
Fiber optic sensor for petroleum |
Feb. 6, 2001 |
| 6151108 |
On-line measurement of contaminant level in lubricating oil |
Nov. 21, 2000 |
| 6091484 |
Oil quantity and quality indicator |
Jul. 18, 2000 |
| 6079836 |
Flow cytometer droplet break-off location adjustment mechanism |
Jun. 27, 2000 |
| 6061139 |
Nondestructive diagnostic method and nondestructive diagnostic apparatus |
May. 9, 2000 |
| RE36650 |
Total fluid exchange system for automatic transmissions |
Apr. 11, 2000 |
| 6049388 |
Spectroscopic fluid sample cell |
Apr. 11, 2000 |
| 6043505 |
Device and method for monitoring fluids with a detection of cross sectional shape of transmitted beam |
Mar. 28, 2000 |
| 6016191 |
Apparatus and tool using tracers and singles point optical probes for measuring characteristics of fluid flow in a hydrocarbon well and methods of processing resulting signals |
Jan. 18, 2000 |
| 5936715 |
On-line method and apparatus for determining the condition of circulating fluids |
Aug. 10, 1999 |
| 5923431 |
Spectroscopic helical separator and fluid sample interface |
Jul. 13, 1999 |
| 5919707 |
Monitoring of rolling oil emulsions |
Jul. 6, 1999 |
| 5840582 |
Method for determining the hydrogen-to-carbon ratio in a liquid hydrocarbon fraction and use thereof |
Nov. 24, 1998 |
| 5831721 |
Method and apparatus for measuring particle size distribution in fluids |
Nov. 3, 1998 |
| 5828458 |
Turbidity sensor |
Oct. 27, 1998 |
| 5790246 |
Apparatus and network for determining a parameter of a particle in a fluid employing detector and processor |
Aug. 4, 1998 |
| 5781284 |
System for detecting impurities contained in a fluid medium |
Jul. 14, 1998 |
| 5755672 |
Measuring equipment of fat and water amount existing on the object |
May. 26, 1998 |
| 5742064 |
System for detecting impurities contained in a flowing petroleum product |
Apr. 21, 1998 |
| 5739916 |
Apparatus and method for determining the concentration of species in a substance |
Apr. 14, 1998 |
| 5719665 |
Method and apparatus for determining the content of insolubles in oils |
Feb. 17, 1998 |
| 5715046 |
Process and device for oil stability measurement |
Feb. 3, 1998 |
| 5691701 |
Fluid or vapor diagnostic device |
Nov. 25, 1997 |
| 5682231 |
Device and method for determining contamination of a light permeable material utilizing the values of detected light below the saturation intensity of a sensor |
Oct. 28, 1997 |
| 5674401 |
Oil monitor with magnetic field |
Oct. 7, 1997 |
|
|
|
