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

Mark C. Drummond — 5 Patents

Cisco: 5 patents #2,819 of 13,007Top 25%
Catonsville, MD: #49 of 266 inventorsTop 20%
Maryland: #6,599 of 35,612 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Mark C. Drummond has been granted 5 US patents while listed as an inventor at Cisco. The first was granted in 1999 and the most recent in March 2004. Mark C. Drummond ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Mark C. Drummond in Catonsville, MD, US.

Patents per Year

Patents granted per year, 1999 to 2004Bar chart with a peak of 2 patents in 1999.peak 21999: 2 patents19992001: 1 patents20012003: 1 patents20032004: 1 patents2004

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6711178 Enhanced claw packing protocol Robert O'Gorman, Dean Hiller 2004-03-23 $257,114,000
6643700 Option request protocol Jonathan Rosen, Dean Hiller, Robert O'Gorman 2003-11-04 $119,160,000
6311226 Method and apparatus for dynamic link name negotiation Jonathan Rosen, Dean Hiller, Robert O'Gorman 2001-10-30 $747,520,000
5983272 Option request protocol Jonathan Rosen, Dean Hiller, Robert O'Gorman 1999-11-09 $1,144,439,000
5898713 IP checksum offload Clifford B. Melzer, Jonathan Rosen, Robert O'Gorman, Paul Wood, Dean Hiller 1999-04-27 $311,236,000