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Class Information
Number: 250/301
Name: Radiant energy > Methods of determining oil presence, contamination or concentration
Description: Subject matter which includes methods of examining materials for the presence or absence of oil, the amount of oil present in the material, the contamination of oil or the contamination of material by oil by subjecting the material to a radiation test.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7402800 |
Method and device for the continuous determination of damage to systems used for the post-treatment of heat engine exhaust gases |
Jul. 22, 2008 |
| 7321123 |
Method and apparatus for radiation detection in a high temperature environment |
Jan. 22, 2008 |
| 7321117 |
Optical particulate sensor in oil quality detection |
Jan. 22, 2008 |
| 7309862 |
Method for marking sites |
Dec. 18, 2007 |
| 7279688 |
Arson and forensic scanner having a hydrocarbon gas detector with a detachable collector cone and kit assembly |
Oct. 9, 2007 |
| 7227139 |
System and method for optical detection of petroleum and other products in an environment |
Jun. 5, 2007 |
| 7173242 |
Method for determining whether a rock is capable of functioning as an oil reservoir |
Feb. 6, 2007 |
| 7128812 |
Apparatus and method for determining the level in a coke drum |
Oct. 31, 2006 |
| 7126123 |
Surface contamination detection method and apparatus |
Oct. 24, 2006 |
| 7029570 |
Disaggregation of asphaltenes in incompatible petroleum oil mixtures |
Apr. 18, 2006 |
| 6870160 |
Method and apparatus for monitoring the condition of a lubricating medium |
Mar. 22, 2005 |
| 6715347 |
Apparatus and method for determining measures of the permeability of HC-bearing formations using fluorescence |
Apr. 6, 2004 |
| 6690453 |
Method and device for predicting the flocculation threshold of asphaltenes contained in hydrocarbon mixtures |
Feb. 10, 2004 |
| 6525325 |
System for quantifying the hydrocarbon content of aqueous media |
Feb. 25, 2003 |
| 6501072 |
Methods and apparatus for determining precipitation onset pressure of asphaltenes |
Dec. 31, 2002 |
| 6476385 |
Cleaning management kit and method of use |
Nov. 5, 2002 |
| 6407383 |
Method and device for determining the oil concentration in liquids by means of fluorescence excitation with an excimer lamp |
Jun. 18, 2002 |
| 6148661 |
Method of separating and rapidly analyzing a sample |
Nov. 21, 2000 |
| 6141395 |
Sealed neutron tube |
Oct. 31, 2000 |
| 6097027 |
Identifying oil columns |
Aug. 1, 2000 |
| 6091071 |
Opto-electronic sensor |
Jul. 18, 2000 |
| 5982959 |
Coated fiber optic sensor for the detection of substances |
Nov. 9, 1999 |
| 5974860 |
Oil detecting system |
Nov. 2, 1999 |
| 5969254 |
Phase difference measuring apparatus and method |
Oct. 19, 1999 |
| 5828460 |
Apparatus for optical inspection of metallic surfaces |
Oct. 27, 1998 |
| 5828798 |
Looped fiber-optic sensor for the detection of substances |
Oct. 27, 1998 |
| 5790246 |
Apparatus and network for determining a parameter of a particle in a fluid employing detector and processor |
Aug. 4, 1998 |
| 5780850 |
API estimate using multiple fluorescence measurements |
Jul. 14, 1998 |
| 5767409 |
Phase difference measuring apparatus and method using a first and second receive signal |
Jun. 16, 1998 |
| 5759857 |
Leak detection using chemical markers |
Jun. 2, 1998 |
| 5719665 |
Method and apparatus for determining the content of insolubles in oils |
Feb. 17, 1998 |
| 5686724 |
Method for determining oil content of an underground formation using wet cuttings |
Nov. 11, 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 |
| 5656810 |
Method and apparatus for evaluating the composition of an oil sample |
Aug. 12, 1997 |
| RE35395 |
Leak detection in heating, ventilating and air conditioning systems using an environmentally safe material |
Dec. 10, 1996 |
| RE35370 |
Leak detection in heating ventilating and air conditioning systems using an environmentally safe material |
Nov. 5, 1996 |
| 5548115 |
Probe device for detecting contaminants in subsurface media |
Aug. 20, 1996 |
| 5543616 |
Identifying oil well sites |
Aug. 6, 1996 |
| 5541413 |
Acousto-optic tunable filter-based surface scanning system and process |
Jul. 30, 1996 |
| 5537336 |
On-site oil analyzer |
Jul. 16, 1996 |
| 5517427 |
On-site oil analyzer |
May. 14, 1996 |
| 5504573 |
Apparatus and method for analyzing particles deposited on a substrate using substantially continuous profile data |
Apr. 2, 1996 |
| 5461236 |
Oil spill detection system |
Oct. 24, 1995 |
| 5421192 |
Leak detection in heating, ventilating and air conditioning systems using an environmentally safe material |
Jun. 6, 1995 |
| 5406082 |
Surface inspection and characterization system and process |
Apr. 11, 1995 |
| 5381002 |
Fluorescence method of quantifying hydrocarbons, including crude oil, dispersed in water |
Jan. 10, 1995 |
| 5357782 |
Leak detection in heating, ventilating and air conditioning systems using an environmentally safe material |
Oct. 25, 1994 |
| 5351532 |
Methods and apparatus for making chemical concentration measurements in a sub-surface exploration probe |
Oct. 4, 1994 |
| 5332900 |
On-line corrosivity monitor for petroleum products |
Jul. 26, 1994 |
| 5331156 |
Method of analyzing oil and water fractions in a flow stream |
Jul. 19, 1994 |
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