David Schaefer — 10 Patents at Xerox

David Schaefer has been granted 10 US patents while listed as an inventor at Xerox. The first was granted in 1994 and the most recent in October 2019. David Schaefer ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David Schaefer in Sunriver, OR, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10426655	Thermal contrast therapy devices, methods, and systems	Richard Smith	2019-10-01
9643721	Wind energy conversion systems, devices, and methods	—	2017-05-09
9345614	Thermal contrast therapy devices, methods and systems	Richard Smith	2016-05-24
8348268	Apparatus for transitioning media sheets in a printer	Carl T. Urban, Rob Huala	2013-01-08	$1,532,000
8172228	Integrated module	Rob Huala, Jos Jacobs	2012-05-08	$3,144,000
7674056	Paper path powered jam/lock systems and methods	Timothy C. Shaw, Daniel C. Park, Rich Chambers, Darryl I. Jensen, Jos Jacobs +1 more	2010-03-09	$5,076,000
7025345	Replacement method and assembly for paper pick rollers	Isaac S. Frazier, Jos Jacobs, Carl T. Urban	2006-04-11	$23,990,000
6171687	Infiltrated nanoporous materials and methods of producing same	Roger Leung, John G. Sikonia	2001-01-09	$49,084,000
6164752	Ink jet print head maintenance method	Edward F. Burress, Timothy Rob Golik, Ernest Isreal Esplin	2000-12-26	$2,906,000
5315928	Band line printer with grooved platen	D. Michael Bocinski, Craig A. Kaufman, Randy J. Kisacky, Barton H. Kunz, Lawrence A. Stone +2 more	1994-05-31	$5,696,000

David Schaefer — 10 Patents

Issued Patents All Time

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