Peter Welin

inventor of interior player mechanism (individual valve system) inventor of player-piano mechanisms

Biography

Peter Welin was granted a series of patents, beginning with an application dated May 1, 1902, for an interior player-piano mechanism in which every pneumatic could be independently removed or adjusted. This mechanism, illustrated by Dolge as Welin's "Individual Valve System," was used by the Auto Grand Piano Company, which acquired Welin's American patents, and also by Broadwood & Sons of London under corresponding English patents granted to Welin. No further biographical detail is provided in this portion of the text. Peter Welin was an inventor who obtained several patents for player-piano mechanism improvements. Albert Krell associated with Welin and utilized many of his inventions in developing the Krell player piano, part of the twenty-eight U.S. patents the Krell Piano Company came to control.

Highlights

Granted patents from May 1, 1902, for an interior player mechanism in which every pneumatic could be independently removed or adjusted
Patents acquired by the Auto Grand Piano Company; mechanism also used by Broadwood & Sons of London under English patents
Obtained several patents for player-mechanism improvements later used by Albert Krell and the Krell Piano Company

Source

Alfred Dolge, Pianos and Their Makers, Vol. I (1911), p. 157; Vol. II (1913), p. 127.

Public domain.

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