Inventor · disambiguated record
Stefan Hajek
Also filed as: HAJEK STEFAN
5 granted patents·3 pending applications·5 citations·filing 2005–2025
66Inventor score
Technology areasB01D
Top patents by PatentIndex Score
8 records- 0178US11529576B2Filter elementHERDING GMBH·Filed 2017·Granted Dec 20, 2022·3 cites·27 claims
- 0258US9517427B2Filter device and filter methodHERDING URS·Filed 2011·Granted Dec 13, 2016·2 cites·27 claims
- 0354US2025196038A1Method to form a dust collecting layer on a porous body without using a binderNITTETSU MINING CO LTD·Filed 2025·Application pending·0 cites
- 0449US2024325952A1Inherently stable, flow-porous filter element and method for producing such a filter elementHERDING GMBH·Filed 2021·Application pending·0 cites
- 0547US8052878B2Filter element with coating for surface filtrationHERDING GMBH·Filed 2009·Granted Nov 8, 2011·0 cites·25 claims
- 0642US2006207932A1Filter element with coating for surface filtrationHERDING GMBH·Filed 2005·Application pending·0 cites
- 0741US12383856B2Filter device and method of cleaning-off a filter element of a filter deviceHERDING GMBH·Filed 2020·Granted Aug 12, 2025·0 cites·21 claims
- 0839US8673058B2Method and arrangement for removing solid particles and tar component from carbon monoxide gasROENNBERG TOM·Filed 2009·Granted Mar 18, 2014·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →