WK

Wolf R. Krummheuer

AN Akzo N.V.: 5 patents #51 of 803Top 7%
AN Akzo Nobel N.V.: 4 patents #155 of 1,625Top 10%
AI Akzona Incorporated: 1 patents #122 of 274Top 45%
📍 Wuppertal, DE: #217 of 1,656 inventorsTop 15%
Overall (All Time): #526,940 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5657798 Intermingled synthetic filament yarn for manufacturing industrial woven fabrics Volker Siejak, Hans A. Graefe, Marcus Weber 1997-08-19
5612124 Fabrics of high thermal stability Volker Siejak 1997-03-18
5581856 Process for the production of uncoated technical fabrics with low air permeability Hans A. Graefe, Volker Siejak 1996-12-10
5554424 Airbag and fabric for manufacturing same Volker Siejak, Hans A. Graefe 1996-09-10
5508073 Uncoated fabric for manufacturing air bags Dieter Kaiser, Hans A. Graefe, Volker Siejak 1996-04-16
5477890 Integrated weaving and wet treatment method for manufacturing uncoated industrial woven fabrics Volker Siejak, Hans A. Graefe 1995-12-26
5356680 Industrial fabrics of controlled air permeability and high ageing resistance and manufacture thereof Hans A. Graefe, Volker Siejak 1994-10-18
5131434 Manufacture of an air bag fabric Hans A. Graefe, Volker Siejak 1992-07-21
5093163 Uncoated fabric for airbags Hans A. Graefe, Volker Siejak 1992-03-03
4405341 Resin coated fabric Juergen Jaschek 1983-09-20