EM-TECH LLC

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS185

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class

Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2009/0257,816 ERASABLE INK FOR POROUS TIP WRITING INSTRUMENTSApr 15, 08Oct 15, 09[C09D, B43K]
7,019,518 Non-contacting apparatus and method for measurement of ferromagnetic metal thicknessOct 16, 01Mar 28, 06[G01B]
2004/0239,345 Measurement of coatings on metalMay 01, 02Dec 02, 04[G01R]
6,744,263 Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materialsDec 11, 00Jun 01, 04[G01R, G01N]
6,630,831 Measurements of electrical properties through non magneticially permeable metals using directed magnetic beams and magnetic lensesSep 04, 01Oct 07, 03[G01V]
6,628,118 Method and apparatus for control of magnetic flux direction and concentrationSep 28, 00Sep 30, 03[G01R, G01V, G01N]
6,597,177 Through casing resistivity measurement in permanently installed downhole production environmentNov 20, 00Jul 22, 03[G01V]
6,597,186 Through tank level gaugingDec 11, 00Jul 22, 03[G01R, G01F]
6,553,838 Detection of anomalies on railroad tracksAug 27, 01Apr 29, 03[G01N]
6,459,293 Multiple parameter testing with improved sensitivitySep 29, 00Oct 01, 02[G01R]
2002/0093,345 Zero to 100% water in liquid hydrocarbon flow meterDec 11, 00Jul 18, 02[G01R]
2002/0093,458 Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiationJan 02, 02Jul 18, 02[H01Q]
6,392,421 Spectral EM frequency metallic thickness measurement using metallic transparenciesNov 20, 00May 21, 02[G01R]
6,351,245 Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiationDec 11, 00Feb 26, 02[H01Q]
2001/0038,287 Logging tool for measurement of resistivity through casing using metallic transparencies and magnetic lensingFeb 12, 01Nov 08, 01[G01V]

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