Inventor · disambiguated record
Ulfert Drewes
Also filed as: DREWES ULFERT
30 granted patents·2 pending applications·395 citations·filing 1992–2016
97Inventor score
Files withENDRESS & HAUSER GMBH & CO KG15ENDRESS HAUSER GMBH CO7BERLINGER ANDREA3DREWES ULFERT3CONDUCTA ENDRESS & HAUSER1
Top patents by PatentIndex Score
32 records- 0192US6267009B1Capacitive 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
- 0289US6374680B1Capacitive pressure sensor or capacitive differential pressure sensorENDRESS HAUSER GMBH CO·Filed 2000·Granted Apr 23, 2002·40 cites·46 claims
- 0389US5400489AMethod 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
- 0481US5750899ACapacitive pressure sensor with sensing element mechanically isolated from the casingENVEC MESS UND REGELTECHN GMBH·Filed 1997·Granted May 12, 1998·45 cites·11 claims
- 0580US9136662B2Method for manufacturing a connection between two ceramic parts, especially parts of a pressure sensor, and a ceramic product, especially a ceramic pressure sensorROSSBERG ANDREAS·Filed 2011·Granted Sep 15, 2015·5 cites·12 claims
- 0680US6848318B2Pressure sensor having metallic diaphragm seal jointENDRESS HAUSER GMBH CO·Filed 2004·Granted Feb 1, 2005·20 cites·3 claims
- 0779US6595064B2Capacitive pressure sensorENDRESS HAUSER GMBH CO·Filed 2001·Granted Jul 22, 2003·22 cites·9 claims
- 0878US8915142B2Ceramic component having at least one electrical feedthrough, method for its manufacture and pressure sensor with such a componentDREWES ULFERT·Filed 2010·Granted Dec 23, 2014·6 cites·8 claims
- 0977US6715356B2Pressure sensor having metallic diaphragm seal mountFiled 2000·Granted Apr 6, 2004·18 cites·6 claims
- 1076US8966989B2Capacitive ceramic pressure measuring cell and pressure sensor with such a pressure measuring cellDREWES ULFERT·Filed 2010·Granted Mar 3, 2015·6 cites·14 claims
- 1174US9863830B2Pressure sensor having a ceramic platformENDRESS HAUSER GMBH CO KG·Filed 2014·Granted Jan 9, 2018·2 cites·40 claims
- 1274US6675654B2Pressure sensing device with moisture filterENDRESS & HAUSER GMBH & CO KG·Filed 2002·Granted Jan 13, 2004·19 cites·10 claims
- 1373US10422711B2Pressure sensorENDRESS HAUSER GMBH CO KG·Filed 2016·Granted Sep 24, 2019·2 cites·14 claims
- 1472US8104353B2Capacitive pressure sensorDREWES ULFERT·Filed 2008·Granted Jan 31, 2012·10 cites·23 claims
- 1572US6941814B2Hydrophobically coated pressure sensorENDRESS & HAUSER GMBH & CO KG·Filed 2002·Granted Sep 13, 2005·16 cites·17 claims
- 1670US9816887B2Ceramic pressure measuring cell and method for its manufactureBERLINGER ANDREA·Filed 2012·Granted Nov 14, 2017·2 cites·14 claims
- 1767US9625335B2Ceramic pressure measuring cellBERLINGER ANDREA·Filed 2012·Granted Apr 18, 2017·4 cites·13 claims
- 1864US7861598B2Pressure transducerENDRESS & HAUSER GMBH & CO KG·Filed 2005·Granted Jan 4, 2011·6 cites·10 claims
- 1964US7150197B2Capacitive pressure sensorENDRESS & HAUSER GMBH & CO KG·Filed 2003·Granted Dec 19, 2006·11 cites·12 claims
- 2062US9759623B2Pressure measuring cellENDRESS & HAUSER GMBH & CO KG·Filed 2013·Granted Sep 12, 2017·2 cites·2 claims
- 2161US6422085B1Flush-diaphragm relative pressure sensorENDRESS HAUSER GMBH CO·Filed 1999·Granted Jul 23, 2002·21 cites·8 claims
- 2256US6925884B2Capacitive differential pressure sensorENDRESS & HAUSER GMBH & CO KG·Filed 2002·Granted Aug 9, 2005·8 cites·8 claims
- 2355US7249515B2Capacitive pressure sensorENDRESS & HAUSER GMBH & CO KG·Filed 2003·Granted Jul 31, 2007·7 cites·15 claims
- 2453US9891126B2Method for soldering a connecting elementENDRESS HAUSER GMBH CO KG·Filed 2014·Granted Feb 13, 2018·0 cites·8 claims
- 2548US10585009B2Pressure measurement cellENDRESS HAUSER GMBH CO KG·Filed 2015·Granted Mar 10, 2020·0 cites·19 claims
- 2647US7448274B2Pressure sensor having a pressure measuring cell with a platform and a measuring membraneCONDUCTA ENDRESS & HAUSER·Filed 2004·Granted Nov 11, 2008·4 cites·14 claims
- 2744US10435330B2Method for producing a connection between two ceramic parts—in particular, of parts of a pressure sensorENDRESS HAUSER GMBH CO KG·Filed 2015·Granted Oct 8, 2019·0 cites·29 claims
- 2840US2016084723A1Pressure SensorENDRESS & HAUSER GMBH & CO KG·Filed 2014·Application pending·0 cites
- 2939US10330547B2Pressure measuring deviceENDRESS HAUSER GMBH CO KG·Filed 2013·Granted Jun 25, 2019·0 cites·11 claims
- 3037US10247631B2Differential pressure measuring cellENDRESS HAUSER GMBH CO KG·Filed 2015·Granted Apr 2, 2019·0 cites·13 claims
- 3134US2002026836A1Pressure measurement cellENDRESS HAUSER GMBH CO·Filed 2001·Application pending·0 cites
- 3232US9631995B2Ceramic product and method for its manufactureBERLINGER ANDREA·Filed 2010·Granted Apr 25, 2017·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →