Wasserkraftschnecke (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Wasserkraftschnecke" in German language version.

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confex.com

afs.confex.com

dtoday.de

espacenet.com

worldwide.espacenet.com

  • Patent DE4139134: Hydrodynamic screw for energy conversion – uses changes in water supply to regulate energy output. Angemeldet am 28. November 1991, veröffentlicht am 4. Dezember 1997, Anmelder: Karl-August Radlik, Erfinder: Karl-August Radlik.
  • Patent AT512766: Wasserkraftschnecke. Angemeldet am 13. Januar 2012, veröffentlicht am 15. Februar 2013, Anmelder: Walter Albrecht, Erfinder: Walter Albrecht.

forum-fischschutz.de

google.com

  • Patent US1434138: Water-power system. Angemeldet am 24. November 1916, veröffentlicht am 31. Oktober 1922, Anmelder: William Moerscher, Erfinder: William Moerscher.

inet4you.net

nrw.de

energieagentur.nrw.de

nw-news.de

oeko-news.com

oekonews.com

thueringer-allgemeine.de

tugraz.at

hfm.tugraz.at

web.archive.org

wind-wasser-solar-ostalb.de