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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:
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Patent Number Title Of Patent Date Issued
8704174 Refined oil degradation level measuring instrument and refined oil degradation level measuring method Apr. 22, 2014
8629414 Clear overcoat compositions and methods for using and detecting the same Jan. 14, 2014
8521445 Corrosion rate monitoring Aug. 27, 2013
8481930 Apparatus and method for replicating liquid blends and identifying the ratios of their liquid ingredients Jul. 9, 2013
8455845 Method for detecting drag reducer additives in gasoline Jun. 4, 2013
8395119 Airborne/spaceborne oil spill determining system Mar. 12, 2013
8362429 Method and apparatus for oil spill detection Jan. 29, 2013
8207508 Device and method for quantifying a surface's cleanliness Jun. 26, 2012
8124931 Method and apparatus for oil spill detection Feb. 28, 2012
7763850 Method and device for the real-time measurement of the consumption of oil from an engine oil separation system, using radioactive tracers Jul. 27, 2010
7728291 Detection of heavy oil using fluorescence polarization Jun. 1, 2010
7586087 Methods and apparatus to characterize stock-tank oil during fluid composition analysis Sep. 8, 2009
7553449 Method of determination of corrosion rate Jun. 30, 2009
7529627 Method of sea electrical survey of oil and gas deposits and apparatus complex for its realization `VeSoTEM` May. 5, 2009
7514268 Method for identifying contaminants Apr. 7, 2009
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
5828798 Looped fiber-optic sensor for the detection of substances Oct. 27, 1998
5828460 Apparatus for optical inspection of metallic surfaces 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

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