1
Heinrich Karl Vogelmann: Method and apparatus for determining the flux vector of a rotating-field machine. Siemens Aktiengesellschaft, Kenyon & Kenyon, December 5, 1989: US04885519 (7 worldwide citation)

A method and apparatus for determining the flux vector of a rotating-field machine that enables a rotating-field machine, especially a permanently excited synchronous machine, to be controlled without mechanical transmitter even at low frequencies. An EMF vector is interated in a flux computer to de ...


2
Robert Probstl, Robert Reiter, Karl Vogelmann: Mocassin-type shoe. Messrs Sioux Schuhfabriken Peter Sapper, February 17, 1976: US03938265 (4 worldwide citation)

A shoe of mocassin-type wherein the border region of the vamp apron is rolled over the edge of the upper, the vamp apron and the upper being stitched together by a seam having two substantially parallel rows of holes in the border region of the vamp apron and a row of holes which in the finished sho ...