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

Robert Turnbull — 3 Patents

3C3Com: 1 patents #1,009 of 1,250Top 85%
DEDigital Equipment: 1 patents #1,005 of 2,100Top 50%
Nortel Networks Limited: 1 patents #2,518 of 5,294Top 50%
Watertown, MA: #600 of 1,634 inventorsTop 40%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Turnbull has been granted 3 US patents while listed as an inventor at 3Com. The first was granted in 1995 and the most recent in June 2008. Robert Turnbull ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Turnbull in Watertown, MA, US.

Patents per Year

Patents granted per year, 1995 to 2008Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19952005: 1 patents20052008: 1 patents2008

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7385973 Method and apparatus for VLAN ID discovery Trystan Johnson, Michael Pothier, Kejin Huang 2008-06-10 $8,162,000
6874047 System and method for implementing an SMBus/I2C interface on a network interface card Christopher J. Duguay, Robert Reissfelder, Michael K. Brown 2005-03-29 $5,791,000
5455492 Dynamic focus correction circuit 1995-10-03 $19,574,000