Apparatus for determining a physical variable of a liquid or solid medium

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6435025
SERIAL NO

09638421

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The object of the present invention is to propose an apparatus for determining a physical variable of a medium (2) in which the formation of deposits or buildups of the medium (2) on a subelement (4) of the apparatus (1) which comes into contact with the medium (2) is reduced or avoided. For this purpose, at least the subelement (4) is provided with a microstructured surface layer (7).

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ENDRESS + HAUSER GMBH + CO. KGMAULBURG384

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krause, Michael Steinen, DE 43 199

Cited Art Landscape

Patent Info (Count) # Cites Year
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (1)
* 5955659 Electrostatically-actuated structures for fluid property measurements and related methods 28 1998
 
Introtek International, Inc. (1)
* 4733560 Liquid sensing system 12 1986
 
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (1)
5361070 Ultra-wideband radar motion sensor 210 1993
 
Jaeger (1)
5052223 Apparatus including a capacitive probe for measuring the level and/or the volume of a liquid 39 1990
 
CONSENSE INC. (1)
* 5507178 Liquid presence and identification sensor 26 1994
 
MURATA MANUFACTURING CO., LTD. (1)
5187444 Sensor for sensing the presence of electrolyte solution 12 1989
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
HALLIBURTON ENERGY SERVICES, INC. (2)
7228900 System and method for determining downhole conditions 11 2004
* 2005/0274,513 System and method for determining downhole conditions 38 2004
 
Ohmart/VEGA Corporation (4)
6988404 Apparatus for use in measuring fluid levels 3 2003
* 2005/0127,924 Apparatus for use in measuring fluid levels 3 2003
7237435 Apparatus for use in measuring fluid levels 9 2005
7392699 Apparatus for use in measuring fluid levels 10 2007
 
VEGA GRIESHABER KG (2)
7707881 Fill level sensor or pressure sensor with an anti-adhesive coating 1 2006
* 2006/0288,774 Fill level sensor or pressure sensor with an anti-adhesive coating 3 2006
 
HEIDELBERG DIGITAL, L.L.C. (1)
* 6670817 Capacitive toner level detection 89 2001
 
Rosemount Tank Radar AB (2)
* 8726728 Level gauge system with wettable propagation device 1 2012
* 2013/0239,676 LEVEL GAUGE SYSTEM WITH WETTABLE PROPAGATION DEVICE 0 2012
 
DIBA INDUSTRIES, INC. (1)
* 2007/0289,375 Homogenous Fluid Level Sensing Devices 0 2006
 
Krohne S.A. (1)
* 2004/0140,814 Level meter 8 2003
* Cited By Examiner