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USPTO Patent Rankings Data through Dec 31, 2025
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Patrick Walker — 21 Patents

Xerox: 14 patents #992 of 8,622Top 15%
BRBrasstech: 6 patents #6 of 22Top 30%
Pittsford, NY: #96 of 976 inventorsTop 10%
New York: #6,583 of 115,490 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Patrick Walker has been granted 21 US patents while listed as an inventor at Xerox. The first was granted in 1999 and the most recent in June 2018. Patrick Walker ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Patrick Walker in Pittsford, NY, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10005292 Object holder for a direct-to-object printer James E. Williams, Robert W. Phelps, Paul F. Sawicki, John R. Uchal 2018-06-26 $1,669,000
8864294 Container for delivering solid-ink pellets Roger G. Leighton, David Peter Lomenzo, Michael Brundige, William H. Wayman 2014-10-21 $3,448,000
8591016 High flow ink delivery system Roger G. Leighton, Michael F. Leo, Nathan E. Smith, David Peter Lomenzo, Vincent M. Williams 2013-11-26 $3,054,000
8529038 System and method for pressure control of an ink delivery system Roger G. Leighton, David Peter Lomenzo, Mark A. Atwood 2013-09-10 $2,776,000
8454147 Method and system for delivering solid-ink pellets Roger G. Leighton, David Peter Lomenzo, Michael Brundige, William H. Wayman 2013-06-04 $1,817,000
8449093 Solid ink melter assembly Nathan E. Smith, Roger G. Leighton, Michael F. Leo, Robert Tuchrelo, David Peter Lomenzo 2013-05-28 $2,504,000
8403470 Solid ink melter assembly Nathan E. Smith, Roger G. Leighton, Michael F. Leo, Robert Tuchrelo, David Peter Lomenzo 2013-03-26 $2,425,000
8348405 System and method for transporting solid ink pellets Nathan E. Smith, Michael F. Leo, Robert Tuchrelo 2013-01-08 $1,532,000
8303098 High flow ink delivery system Roger G. Leighton, Michael F. Leo, Nathan E. Smith, David Peter Lomenzo, Vincent M. Williams 2012-11-06 $1,133,000
8240829 Solid ink melter assembly Nathan E. Smith, Roger G. Leighton, Michael F. Leo, Robert Tuchrelo, David Peter Lomenzo 2012-08-14 $2,256,000
D594934 Faucet assembly Vince Vu, Jonathan Wood, Charles Molina, Scott Michael Cline 2009-06-23
D572800 Pull out wand Vince Vu, Jonathan Wood, Charles Molina, Scott Michael Cline 2008-07-08
D552717 Pull out wand Jonathan Wood, Charles Molina, Scott Michael Cline 2007-10-09
7274887 System and method for setup of toner concentration target for a toner concentration sensor Song-Feng Mo, Wendy K. Apton, Jennifer R. Wagner, Stephen F. Randall, Patricio G. Medina +1 more 2007-09-25 $11,575,000
D544945 Pull-down faucet assembly Jonathan Wood, Charles Molina, Scott Michael Cline 2007-06-19
7158732 Method and system for using toner concentration as an active control actuator for TRC control Song-Feng Mo, Jennifer R. Wagner, Wendy K. Apton, Stephen F. Randall, Patricio G. Medina 2007-01-02
D531698 Pull-down faucet assembly Jonathan Wood, Charles Molina, Scott Michael Cline 2006-11-07
D527075 Pull-down faucet assembly Jonathan Wood, Charles Molina, Scott Michael Cline 2006-08-22
6895194 Xerographic development system where a gap between a donor member and a photoreceptor is estimated Song-Feng Mo, Wendy K. Apton, Stephen F. Randall 2005-05-17 $3,980,000
6792220 Dual density gray patch toner control Stephen F. Randall, Song-Feng Mo, Wendy K. Apton, David C. Craig, Patricio G. Medina +1 more 2004-09-14 $10,910,000
5924253 Cover attachment apparatus 1999-07-20