Sigurd Johannes Savonius (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sigurd Johannes Savonius" in English language version.

refsWebsite

Global rank English rank

3freepatentsonline.com

5,449^th place

3,875^th place

3,893^rd place

7,889^th place

1web.archive.org

1^st place

1^st place

low place

low place

1griffith.edu.au

low place

low place

dpma.de

depatisnet.dpma.de

Sigurd Savonius (17 January 1929). "Anordnung fuer Lichtschilder, Schaukaesten o. dgl".
Sigurd J. Savonius. "Durch Luftströmung angetriebene Vorrichtung zur Ventilation von geschlossenen Räumen oder zur Verbesserung, bezw. Erhaltung eines Schornsteinzuges".

freepatentsonline.com

S. Savonius (19 January 1915). "Apparatus for melting snow and the like" (PDF).
S. Savonius (11 May 1920). "Apparatus for melting snow and the like" (PDF).
S.J. Savonius (1 January 1929). "Rotor adapted to be driven by wind or flowing water" (PDF).

griffith.edu.au

ict.griffith.edu.au

Anthony Thyssen. "Types of Rotor Kites". Retrieved 21 April 2014.

prh.fi

Kastehelmi Nikkanen. "Savonius sieppaa tuulen" [Savonius captures the wind] (in Finnish). Archived from the original on 21 January 2017. Retrieved 22 April 2014.

web.archive.org

Kastehelmi Nikkanen. "Savonius sieppaa tuulen" [Savonius captures the wind] (in Finnish). Archived from the original on 21 January 2017. Retrieved 22 April 2014.