Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark Ballou — 4 Patents

Xerox: 3 patents #3,111 of 8,622Top 40%
PRPrecision: 1 patents #14 of 28Top 50%
Webster, NY: #592 of 1,485 inventorsTop 40%
New York: #31,814 of 115,490 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Mark Ballou has been granted 4 US patents while listed as an inventor at Xerox. The first was granted in 1994 and the most recent in June 2015. Mark Ballou ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark Ballou in Webster, NY, US.

Patents per Year

Patents granted per year, 1994 to 2015Bar chart with a peak of 2 patents in 1996.peak 21994: 1 patents19941996: 2 patents19962015: 1 patents2015

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9061831 Conveyor belt aligning apparatus Matthew Roozeboom, Tim Wolf 2015-06-23
5561013 Magenta toner and imaging processes Katherine N. O'Brien, Janet L. Castano, Donald Riley, Charles D. Zimmer, Jane M. Kanehl +3 more 1996-10-01 $11,502,000
5536608 Imaging processes using cyan and black toners Katherine N. O'Brien, Janet L. Castano, Charles D. Zimmer, Jane M. Kanehl, Sandra J. Hutkowski +3 more 1996-07-16 $7,599,000
5336579 Color developer compositions containing bare carrier cores and coated carrier cores Charles D. Zimmer, Edward J. Gutman 1994-08-09 $3,552,000