US Patent No: 6,435,025

Number of patents in Portfolio can not be more than 2000

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

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
ENDRESS + HAUSER GMBH + CO. KGMAULBURG490

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krause, Michael Stendal, DE 57 95

Cited Art Landscape

Patent Info (Count) # Cites Year
 
CONSENSE INC. (1)
5,507,178 Liquid presence and identification sensor 24 1994
 
Introtek International, Inc. (1)
4,733,560 Liquid sensing system 12 1986
 
Jaeger (1)
5,052,223 Apparatus including a capacitive probe for measuring the level and/or the volume of a liquid 39 1990
 
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (1)
5,361,070 Ultra-wideband radar motion sensor 184 1993
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (1)
5,955,659 Electrostatically-actuated structures for fluid property measurements and related methods 25 1998
 
MURATA MANUFACTURING CO., LTD. (1)
5,187,444 Sensor for sensing the presence of electrolyte solution 11 1989

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
OHMART/VEGA CORPORATION (3)
6,988,404 Apparatus for use in measuring fluid levels 2 2003
7,237,435 Apparatus for use in measuring fluid levels 5 2005
7,392,699 Apparatus for use in measuring fluid levels 3 2007
 
EASTMAN KODAK COMPANY (1)
6,670,817 Capacitive toner level detection 58 2001
 
HALLIBURTON ENERGY SERVICES, INC. (1)
7,228,900 System and method for determining downhole conditions 5 2004
 
ROSEMOUNT TANK RADAR AB (1)
8,726,728 Level gauge system with wettable propagation device 0 2012
 
VEGA GRIESHABER KG (1)
7,707,881 Fill level sensor or pressure sensor with an anti-adhesive coating 1 2006