Inventor · disambiguated record
Hans-Joachim Lippold
Also filed as: LIPPOLD HANS JOACHIM
14 granted patents·1 pending application·361 citations·filing 1990–2017
94Inventor score
Files withLIPPOLD HANS JOACHIM5FREUDENBERG CARL FA2LPD TECH INC2LPD TECHNOLOGIES INC2TER HORST DIRK2
Top patents by PatentIndex Score
15 records- 0190US10527537B2System and method for optimizing selection of an air filterLPD TECH INC·Filed 2017·Granted Jan 7, 2020·6 cites·9 claims
- 0288US5290447ABlock-shaped pleated filter insertLIPPOLD HANS JOACHIM·Filed 1991·Granted Mar 1, 1994·76 cites·14 claims
- 0385US6685833B2Fluid filter elementLPD TECHNOLOGIES INC·Filed 2001·Granted Feb 3, 2004·72 cites·25 claims
- 0485US5089202AMethod for the production of a filter cartridgeLIPPOLD HANS JOACHIM·Filed 1990·Granted Feb 18, 1992·69 cites·8 claims
- 0579US10143951B2Embossed fluid filter treatmentLPD TECH INC·Filed 2016·Granted Dec 4, 2018·2 cites·9 claims
- 0674US9314717B2Embossed fluid filter elementTER HORST DIRK·Filed 2010·Granted Apr 19, 2016·3 cites·8 claims
- 0770US9546942B2System and method for optimizing selection of an air filterTER HORST DIRK·Filed 2011·Granted Jan 17, 2017·2 cites·10 claims
- 0866US6059966ACartridge filter with frameCARL FREDENBERG FA·Filed 1998·Granted May 9, 2000·32 cites·17 claims
- 0963US6274039B1Cartridge filter with frameFREUDENBERG CARL FA·Filed 2000·Granted Aug 14, 2001·9 cites·4 claims
- 1058US5053131AFilter cartridgeLIPPOLD HANS JOACHIM·Filed 1990·Granted Oct 1, 1991·21 cites·35 claims
- 1156US5066319AFilter cartridgeLIPPOLD HANS JOACHIM·Filed 1990·Granted Nov 19, 1991·23 cites·25 claims
- 1255US6997969B1Filter material and methodLPD TECHNOLOGIES·Filed 2003·Granted Feb 14, 2006·11 cites·18 claims
- 1353US5028331AFilter cartridgeLIPPOLD HANS JOACHIM·Filed 1990·Granted Jul 2, 1991·17 cites·26 claims
- 1447US6299660B1Accordion filter with a protective maskFREUDENBERG CARL FA·Filed 1997·Granted Oct 9, 2001·18 cites·16 claims
- 1543US2008067121A1Fluid filter element with reinforcing scrimLPD TECHNOLOGIES INC·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →