Gerd Schaefer — 7 Patents at Basf Se

Gerd Schaefer has been granted 7 US patents while listed as an inventor at Basf Se. The first was granted in 1983 and the most recent in October 2009. Gerd Schaefer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Gerd Schaefer in Heusenstamm, DE.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7605292	Method for the separation of polymeric by-products from 1,4-butynediol	Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger, Thomas Danner	2009-10-20
7572941	Method for the separation of polymeric by-products from 1,4-butynediol	Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger	2009-08-11
7538254	Method for the separation of polymeric by-products from 1,4-butynediol	Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger, Thomas Danner	2009-05-26
7524996	Method for the separation of polymeric by-products from 1,4-butynediol	Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger	2009-04-28
5647417	Long-timber chipping machine	Karl Schaefer	1997-07-15
5074945	Process and device for producing a coherent web from long slivers	Karl Schaefer	1991-12-24
4413788	Device for the feeding of enamel to an electrostatic paint emitter	Winfried Ott, Gunther Fleig	1983-11-08	$1,146,000

Gerd Schaefer — 7 Patents

Issued Patents All Time

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