Inventor · disambiguated record
Norbert Sann
Also filed as: SANN NORBERT · SANN NORBERT FRIEDRICH KARL
21 granted patents·4 pending applications·232 citations·filing 1991–2017
94Inventor score
Files withHYDAC FILTERTECHNIK GMBH14SANN NORBERT6SAKRASCHINSKY MICHAEL2KREIBIG MICHA1SCHROEDER IND LLC1
Top patents by PatentIndex Score
25 records- 0193US5560824AFilter device with closing arrangement and key opening connectionHYDAC FILTERTECHNIK GMBH·Filed 1993·Granted Oct 1, 1996·106 cites·11 claims
- 0290US9044695B2Filter device and filter element for use with such a filter deviceSANN NORBERT·Filed 2010·Granted Jun 2, 2015·27 cites·9 claims
- 0385US10005010B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2016·Granted Jun 26, 2018·3 cites·19 claims
- 0477US7997421B2Filtering apparatus and filter elementHYDAC FILTERTECHNIK GMBH·Filed 2005·Granted Aug 16, 2011·7 cites·12 claims
- 0576US8840787B2Filter device, in particular return line suction filter, and filter element for use in such a filter deviceSANN NORBERT·Filed 2010·Granted Sep 23, 2014·7 cites·15 claims
- 0674US9393508B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2015·Granted Jul 19, 2016·2 cites·13 claims
- 0774US7022228B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2002·Granted Apr 4, 2006·21 cites·8 claims
- 0873US8449765B2Filter with data storage provided with an antenna for transmitting signalsKREIBIG MICHA·Filed 2009·Granted May 28, 2013·6 cites·11 claims
- 0972US7926515B2Modular unitHYDAC FILTERTECHNIK GMBH·Filed 2005·Granted Apr 19, 2011·7 cites·7 claims
- 1067US8550255B2Filter device and filter elementSAKRASCHINSKY MICHAEL·Filed 2008·Granted Oct 8, 2013·3 cites·8 claims
- 1164USRE46080EFiltering apparatus and filter elementHYDAC FILTERTECHNIK GMBH·Filed 2005·Granted Jul 26, 2016·2 cites·19 claims
- 1264US7252759B2In-tank return line filter element and hydraulic reservoir with sameSCHROEDER IND LLC·Filed 2004·Granted Aug 7, 2007·12 cites·7 claims
- 1360US9884274B2Filter apparatusSANN NORBERT·Filed 2012·Granted Feb 6, 2018·1 cites·20 claims
- 1459US7279091B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2002·Granted Oct 9, 2007·8 cites·20 claims
- 1557US10617976B2Filter apparatusHYDAC FILTERTECHNIK GMBH·Filed 2017·Granted Apr 14, 2020·0 cites·20 claims
- 1652US10201769B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2012·Granted Feb 12, 2019·0 cites·17 claims
- 1752US9643109B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2012·Granted May 9, 2017·0 cites·9 claims
- 1852US5200067ADevice for mounting a filter elementHYDAC FILTERTECHNIK GMBH·Filed 1991·Granted Apr 6, 1993·17 cites·5 claims
- 1950US2011220563A1Filter device and filter elementSAKRASCHINSKY MICHAEL·Filed 2009·Application pending·0 cites
- 2046US2009321341A1Filter system for fluidsSANN NORBERT·Filed 2007·Application pending·0 cites
- 2145US6932900B2Filter deviceHYDAC FILTERTECHNIK GMBH·Filed 2001·Granted Aug 23, 2005·3 cites·11 claims
- 2244US9808749B2Device for the suction filtration of fluidsHYDAC FILTERTECHNIK GMBH·Filed 2013·Granted Nov 7, 2017·0 cites·14 claims
- 2343US10335721B2Filter element for a filter deviceSANN NORBERT·Filed 2012·Granted Jul 2, 2019·0 cites·12 claims
- 2439US2012018358A1Filter apparatusSANN NORBERT·Filed 2010·Application pending·0 cites
- 2536US2003010697A1Filter deviceFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →