WH

Walter Herding

HF Herding Gmbh Filtertechnik: 5 patents #1 of 13Top 8%
Overall (All Time): #485,113 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12383856 Filter device and method of cleaning-off a filter element of a filter device Urs Herding, Egid Koller, Dino Bethke, Stefan Hajek, Christoph Weih 2025-08-12
11529576 Filter element Urs Herding, Martina Marx, Stefan Hajek 2022-12-20
7485228 Reactor and method for anaerobic wastewater treatment Urs Herding, Kurt Palz, Rainer Thurauf, Stephan Prechtl, Rainer Scholz +3 more 2009-02-03
6709589 Dimensionally stable, cross-flow permeable fluid treatment element Hans-Joachim Burger 2004-03-23
6331197 Sintered plastic particles filter element Wolfgang Raabe 2001-12-18
5874000 Fibre-coated filter element 1999-02-23
5618412 Fixed-bed bioreactor and carrier body for purifying fluids Peter Vogel, Klaus Rabenstein 1997-04-08
5547481 Filter element having an inherently stable, permeably porous plastic body J urgen Bethke, Klaus Rabenstein 1996-08-20
4979969 Filter for the separating of solids particles from hot, gaseous or liquid media 1990-12-25
4876288 Carrier material for immobilization of microorganisms Walter F. Rausch 1989-10-24