Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RS

Robert M. Simms — 8 Patents

Xerox: 6 patents #1,991 of 8,622Top 25%
AIAm International: 1 patents #56 of 142Top 40%
SASavin: 1 patents #27 of 61Top 45%
Endwell, NY: #45 of 267 inventorsTop 20%
New York: #18,190 of 115,490 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Robert M. Simms has been granted 8 US patents while listed as an inventor at Xerox. The first was granted in 1989 and the most recent in October 2000. Robert M. Simms ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert M. Simms in Endwell, NY, US.

Patents per Year

Patents granted per year, 1989 to 2000Bar chart with a peak of 3 patents in 1994.peak 31989: 1 patents19891993: 2 patents19931994: 3 patents19941998: 1 patents19982000: 1 patents2000

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6131002 Systems and methods for controlling toner concentration by sensing residual potential George A. Gibson 2000-10-10 $12,775,000
5848337 Electrical biasing scheme for preventing overplating in an image-on-image electrostatographic printing system Chu-heng Liu, David H. Pan, John F. Knapp, George A. Gibson 1998-12-08 $10,572,000
5352558 Toner dispersant absorption belt system Tab A. Tress, Dana C. Smith 1994-10-04 $7,262,000
5332642 Vacuum assisted dispersant reduction system Henry R. Till, Robert K. Waring, John F. Gardner, Tab A. Tress, James Simpson 1994-07-26 $4,594,000
5281507 Treatment to enhance transfer in liquid toner electrophotography David Dreyfuss, George A. Gibson, Jian Wen 1994-01-25 $440,000
5233396 Intermediate transfer member having a low surface energy compliant structure and method of using same Tab A. Tress, Dana C. Smith, Anders Wellings 1993-08-03 $2,689,000
5227853 Compliant fusing roller Rodney B. Proulx 1993-07-13 $3,714,000
4860924 Liquid developer charge director control George A. Gibson 1989-08-29 $883,000