- P. R. Stoessel, R. N. Grass, W. J. Stark, Improved spinning process and novel gelatin fibers, WO2014190443, May 2013.
- W. J. Stark, R. Fuhrer, M. Loepfe, C.M. Schumacher, Peristaltic pump and pumping method, in particular for use as implant, WO2015066824, Nov 2013.
- R. N. Grass, W. J. Stark, Molecular Code Systems, WO2013143014, March 2012.
- C.R. Kellenberger, N.A. Luechinger, W.J. Stark, Porous polymer membranes, WO2012097967, Jan 2011.
- F.M. Koehler, R.N. Grass, W.J. Stark, Method for electrical detection of biomolecules by metal dissolution and assay kit therefore, WO2012055060, Oct 2010.
- N. A. Luechinger, W. J. Stark, Porous materials, WO2011047805, Oct 2009.
- D. Mohn, M. Zehnder, T. Imfeld, W.J. Stark, Radio-opaque bioactive glass materials, WO 2011020204, Aug 2009.
- M. Urner, L.K. Limbach, I.K. Herrmann, W.J. Stark, B. Beck Schimmer, Injectable formulation for treatment and protection of patients having an inflammatory reaction or an ischemia-reperfusion event, WO2011012283, July 2009.
- R.N. Grass, Chemically stable magnetic carriers, EP2244268, April 2009.
- N. A. Luechinger, E. K. Athanassiou, W. J. Stark, Composition comprising carbon coated, non-noble metal nanoparticles, WO2009015493, Juli 2007.
- R. N. Grass, W. J. Stark, Carbon coated magnetic nanoparticles and their use in separation processes, WO2008055371, Nov 2006.
- W. J. Stark, O. Schneider, S. Loher, T. Brunner, M. Simonet, P. Schmidlin, R. Grass, Implant material, WO2008049242, Oct 2006.
- N. Osterwalder, W.J. Stark, Production of saturated C2 to C5 hydrocarbons, WO 2007107031, March 2006.
- R.N. Grass, E.K. Athanassiou, W.J. Stark, Methods and devices for flame spray pyrolysis, WO2007028267, Sep 2005.
- S. Loher, W. J. Stark, Method for the application of a structured coating upon a smooth surface, WO2007030952, Sep 2005.
- W. J. Stark, S. E. Pratsinis, M. Maciejewski, S. Loher, A. Baiker, Flame synthesis of metal salt nanoparticles, in particular calcium and phosphate comprising nanoparticles, WO2005087660, March 2004.
- W.J. Stark, L. Maedler, S.E. Pratsinis, Metal oxides prepared by flame spray pyrolysis, WO2004005184, May 2003.
- W. J. Stark, S. E. Pratsinis, Metal delivery system for nanoparticle manufacture, WO2004103900, May 2003.