VS

Volker Siekermann

FF Firma Carl Freudenberg: 4 patents #76 of 512Top 15%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,055,095 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5498471 Flame-resistant substrate for flexible circuit boards Jorg Hausdorf, Thomas Kuhlmann, Rolf Schneider, Steffen Kosack, Werner Schafer 1996-03-12
5316832 Biodegradable sheet for culturing sewage denitrifiers Robert Groten, Gerhard Heidecke, Thomas Mannsbart 1994-05-31
5229192 Flame-resistant cover film for flexible circuit boards Horst Kober, Thomas Kuhlmann, Jorg Hausdorf, Steffen Kosack, Werner Schafer 1993-07-20
4799967 Method for cleaning apparatus for fabricating reactive multiple-component mixtures containing isocyanate Jorg Hausdorf, Joachim Kandler 1989-01-24
4699945 Self-adhesive coating for polypropylene foam materials Jorg Hausdorf, Joachim Kandler, Wilfried Getrost 1987-10-13