DH

Dieter Hintenlang

FF Firma Carl Freudenberg: 2 patents #154 of 512Top 35%
CK Carl Freudenberg Kg: 1 patents #276 of 679Top 45%
Overall (All Time): #1,617,514 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6428594 Filter cartridge made of an accordion fold pack folded in a zigzag-shaped manner and method for its manufacture Richard Borris 2002-08-06
5779747 Flexible folded filter insert Ulrich Schlor 1998-07-14
5695535 Pocket filter Dieter Unrath, Udo Michaelis, Margit Hofmann 1997-12-09