HG

Hans A. Graefe

AN Akzo N.V.: 5 patents #51 of 803Top 7%
AN Akzo Nobel N.V.: 4 patents #155 of 1,625Top 10%
AG Acordis Industrial Fibers Gmbh: 1 patents #1 of 14Top 8%
Overall (All Time): #471,483 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6787227 High-tenacity yarn with profiled filaments Ralf Koehnen, Frank Leymann, Britta Konrad, Gerhard Berberich, Andreas Tulke +1 more 2004-09-07
6450211 Weaving process for a high-density fabric on a water-jet loom Frank Leymann 2002-09-17
6258414 Process for siliconizing industrial woven fabrics Britta Sternberg, Frank Leymann, Werner Bernlohr, Volker Siejak, Hans Ulrich Eichert 2001-07-10
5657798 Intermingled synthetic filament yarn for manufacturing industrial woven fabrics Wolf R. Krummheuer, Volker Siejak, Marcus Weber 1997-08-19
5581856 Process for the production of uncoated technical fabrics with low air permeability Wolf R. Krummheuer, Volker Siejak 1996-12-10
5554424 Airbag and fabric for manufacturing same Wolf R. Krummheuer, Volker Siejak 1996-09-10
5508073 Uncoated fabric for manufacturing air bags Wolf R. Krummheuer, Dieter Kaiser, Volker Siejak 1996-04-16
5477890 Integrated weaving and wet treatment method for manufacturing uncoated industrial woven fabrics Wolf R. Krummheuer, Volker Siejak 1995-12-26
5356680 Industrial fabrics of controlled air permeability and high ageing resistance and manufacture thereof Wolf R. Krummheuer, Volker Siejak 1994-10-18
5131434 Manufacture of an air bag fabric Wolf R. Krummheuer, Volker Siejak 1992-07-21
5093163 Uncoated fabric for airbags Wolf R. Krummheuer, Volker Siejak 1992-03-03