Assignee
ENDRESS HAUSER GMBH CO
DE·230 granted patents·3 pending applications·7,531 citations·filing 1975–2013
Top patents by PatentIndex Score
233 records- 0198US6205855B1Device for monitoring a predetermined level in a containerENDRESS HAUSER GMBH CO·Filed 1997·Granted Mar 27, 2001·320 cites·11 claims
- 0297US4594584ADevice for determining and/or monitoring a predetermined filling level in a containerENDRESS HAUSER GMBH CO·Filed 1984·Granted Jun 10, 1986·125 cites·20 claims
- 0396US6389891B1Method and apparatus for establishing and/or monitoring the filling level of a medium in a containerENDRESS HAUSER GMBH CO·Filed 2000·Granted May 21, 2002·106 cites·38 claims
- 0496US6088001ADevice for fastening an excitation element in a metal waveguide of an antenna and for electrically connecting the same to a coaxial line arranged outside the waveguideENDRESS HAUSER GMBH CO·Filed 1998·Granted Jul 11, 2000·225 cites·9 claims
- 0595US5757104AMethod of operating an ultransonic piezoelectric transducer and circuit arrangement for performing the methodENDRESS HAUSER GMBH CO·Filed 1997·Granted May 26, 1998·120 cites·16 claims
- 0694US5539611AInterface connection through an insulating partENDRESS HAUSER GMBH CO·Filed 1992·Granted Jul 23, 1996·70 cites·14 claims
- 0793US5050034APressure sensor and method of manufacturing sameENDRESS HAUSER GMBH CO·Filed 1990·Granted Sep 17, 1991·90 cites·7 claims
- 0893US4574328ASensor for capacitively measuring the level of material in a containerENDRESS HAUSER GMBH CO·Filed 1983·Granted Mar 4, 1986·69 cites·13 claims
- 0992US6267009B1Capacitive pressure sensor cells or differential pressure sensor cells and methods for manufacturing the sameENDRESS HAUSER GMBH CO·Filed 2000·Granted Jul 31, 2001·53 cites·23 claims
- 1092US5264831ADevice for determining and/or monitoring a predetermined contents level in a containerENDRESS HAUSER GMBH CO·Filed 1991·Granted Nov 23, 1993·81 cites·43 claims
- 1191US5451940ACapacitive sensor signal processing arrangement using switch capacitor structuresENDRESS HAUSER GMBH CO·Filed 1992·Granted Sep 19, 1995·87 cites·14 claims
- 1290US6615665B1Pressure measuring deviceENDRESS HAUSER GMBH CO·Filed 2000·Granted Sep 9, 2003·43 cites·8 claims
- 1390US5836192ADevice for monitoring a predetermined level of a liquid in a containerENDRESS HAUSER GMBH CO·Filed 1996·Granted Nov 17, 1998·77 cites·6 claims
- 1490US5050035ACapacitive pressure sensor and method of manufacturing sameENDRESS HAUSER GMBH CO·Filed 1990·Granted Sep 17, 1991·67 cites·20 claims
- 1590US4700569AMethod and arrangement for signal transmission in ultrasonic echo sounding systemsENDRESS HAUSER GMBH CO·Filed 1984·Granted Oct 20, 1987·67 cites·24 claims
- 1689US6845663B2Method and device for determining and/or monitoring the level of a medium in a container, or for determining the density of a medium in a containerENDRESS HAUSER GMBH CO·Filed 2001·Granted Jan 25, 2005·41 cites·15 claims
- 1789US6374680B1Capacitive pressure sensor or capacitive differential pressure sensorENDRESS HAUSER GMBH CO·Filed 2000·Granted Apr 23, 2002·40 cites·46 claims
- 1889US5594449ATank-contents level measuring assemblyENDRESS HAUSER GMBH CO·Filed 1994·Granted Jan 14, 1997·62 cites·13 claims
- 1989US5400489AMethod of stabilizing the surface properties of objects to be thermally treated in a vacuumENDRESS HAUSER GMBH CO·Filed 1992·Granted Mar 28, 1995·66 cites·22 claims
- 2089US5005421APressure sensor and method for the manufacture thereofENDRESS HAUSER GMBH CO·Filed 1989·Granted Apr 9, 1991·68 cites·17 claims
- 2189US4449405ARod-like probe for the capacitive measurement of the level in a containerENDRESS HAUSER GMBH CO·Filed 1981·Granted May 22, 1984·64 cites·15 claims
- 2288US6295874B1Apparatus for determining a physical process variable of a mediumENDRESS HAUSER GMBH CO·Filed 2000·Granted Oct 2, 2001·46 cites·22 claims
- 2388US5664456AUltrasonic transducerENDRESS HAUSER GMBH CO·Filed 1996·Granted Sep 9, 1997·69 cites·8 claims
- 2488US4222016AHigh frequency transformerENDRESS HAUSER GMBH CO·Filed 1978·Granted Sep 9, 1980·36 cites·12 claims
- 2587US6606904B2Filling level gageENDRESS HAUSER GMBH CO·Filed 2001·Granted Aug 19, 2003·39 cites·14 claims
- 2687US6266022B1Device for determining the filling level of a filling material in a containerENDRESS HAUSER GMBH CO·Filed 2000·Granted Jul 24, 2001·45 cites·29 claims
- 2787US6078280APeriodic probe mappingENDRESS HAUSER GMBH CO·Filed 1998·Granted Jun 20, 2000·67 cites·20 claims
- 2887US5792957ACapacitive pressure sensors with high linearity by optimizing electrode boundariesENDRESS HAUSER GMBH CO·Filed 1994·Granted Aug 11, 1998·62 cites·1 claims
- 2986US6236322B1Apparatus for establishing and/or monitoring a predetermined filling level in a containerENDRESS HAUSER GMBH CO·Filed 1999·Granted May 22, 2001·59 cites·14 claims
- 3086US4976154AArrangement for contactless measurement of the volume flow or mass flow of a moving mediumENDRESS HAUSER GMBH CO·Filed 1987·Granted Dec 11, 1990·48 cites·9 claims
- 3186US4604904ASensor for the detection of random signals which are suitable for correlative signal processingENDRESS HAUSER GMBH CO·Filed 1983·Granted Aug 12, 1986·32 cites·6 claims
- 3285US6229476B1Liquid level meterENDRESS HAUSER GMBH CO·Filed 1999·Granted May 8, 2001·60 cites·8 claims
- 3385US5689265ADevice for measuring a level of material using microwavesENDRESS HAUSER GMBH CO·Filed 1996·Granted Nov 18, 1997·58 cites·24 claims
- 3485US5665921AGas tight pressure sensor sealed with flexible metallic adaptor and having ceramic sensor elementENDRESS HAUSER GMBH CO·Filed 1996·Granted Sep 9, 1997·61 cites·6 claims
- 3584US6420816B2Method for exciting lamb waves in a plate, in particular a container wall, and an apparatus for carrying out the method and for receiving the excited lamb wavesENDRESS HAUSER GMBH CO·Filed 2000·Granted Jul 16, 2002·28 cites·7 claims
- 3684US5334344ATernary active brazing based on a zirconium-nickel alloyENDRESS HAUSER GMBH CO·Filed 1991·Granted Aug 2, 1994·42 cites·3 claims
- 3784US4752727AArrangement for detecting spatial inhomogeneities in a dielectricENDRESS HAUSER GMBH CO·Filed 1985·Granted Jun 21, 1988·42 cites·18 claims
- 3883US6559657B1Probe mapping diagnostic methodsENDRESS HAUSER GMBH CO·Filed 1999·Granted May 6, 2003·56 cites·16 claims
- 3983US6366436B1Electronic device for use in regions subject to explosion hazardsENDRESS HAUSER GMBH CO·Filed 1999·Granted Apr 2, 2002·70 cites·20 claims
- 4083US5755136ADevice for monitoring a predetermined level of a liquid in a containerENDRESS HAUSER GMBH CO·Filed 1996·Granted May 26, 1998·75 cites·12 claims
- 4183US5737963AUltrasonic transducerENDRESS HAUSER GMBH CO·Filed 1996·Granted Apr 14, 1998·82 cites·8 claims
- 4283US5670063AMethod for making an interface connection through an insulating partENDRESS HAUSER GMBH CO·Filed 1996·Granted Sep 23, 1997·40 cites·8 claims
- 4383US4242744AFixing of sonic transducer to a containerENDRESS HAUSER GMBH CO·Filed 1978·Granted Dec 30, 1980·36 cites·12 claims
- 4482US6415660B1Method and apparatus for the highly accurate determination of the filling level of a product in a containerENDRESS HAUSER GMBH CO·Filed 2000·Granted Jul 9, 2002·55 cites·28 claims
- 4582US5827985ASensor apparatus for process measurementENDRESS HAUSER GMBH CO·Filed 1996·Granted Oct 27, 1998·43 cites·11 claims
- 4682US5408168ADevice for determining and/or monitoring a predetermined filling level in a containerENDRESS HAUSER GMBH CO·Filed 1992·Granted Apr 18, 1995·53 cites·8 claims
- 4782US4626774AMethod and arrangement for measuring the contamination of a capacitive dew-point sensorENDRESS HAUSER GMBH CO·Filed 1983·Granted Dec 2, 1986·49 cites·6 claims
- 4881US6499346B1Filling level measuring device operating with microwavesENDRESS HAUSER GMBH CO·Filed 2000·Granted Dec 31, 2002·26 cites·24 claims
- 4981US5866815AFill-level indicatorENDRESS HAUSER GMBH CO·Filed 1994·Granted Feb 2, 1999·46 cites·18 claims
- 5081US5665920ADevice with exchangeable sealing element for measuring pressure or differential pressureENDRESS HAUSER GMBH CO·Filed 1996·Granted Sep 9, 1997·44 cites·10 claims
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