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
Showing the top 50 of 233 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when ENDRESS HAUSER GMBH CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →