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

Daniel R. Ullum — 7 Patents

Cisco: 6 patents #2,380 of 13,007Top 20%
SGSilicon Graphics: 1 patents #400 of 758Top 55%
San Jose, CA: #8,545 of 32,062 inventorsTop 30%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Daniel R. Ullum has been granted 7 US patents while listed as an inventor at Cisco. The first was granted in 1998 and the most recent in August 2010. Daniel R. Ullum ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Daniel R. Ullum in San Jose, CA, US.

Patents per Year

Patents granted per year, 1998 to 2010Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19982001: 1 patents20012002: 1 patents20022003: 1 patents20032005: 1 patents20052006: 1 patents20062010: 1 patents2010

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7787464 Traffic monitor using leaky bucket with variable fill David S. Walker 2010-08-31 $12,910,000
7050435 Traffic monitor using leaky bucket with variable fill David S. Walker 2006-05-23 $38,771,000
6950400 Method and apparatus for performing high-speed traffic shaping Christina Hien Tran, Yichou Lin, Yan Chen, Silvano Gai, Thomas J. Edsall 2005-09-27 $45,751,000
6567379 Traffic monitor using leaky bucket with variable fill David S. Walker 2003-05-20 $149,788,000
6457058 Network switch with hash table look up Thomas J. Edsall, Soei-Shin Hang 2002-09-24 $349,381,000
6266705 Look up mechanism and associated hash table for a network switch Thomas J. Edsall, Soei-Shin Hang 2001-07-24 $1,174,529,000
5717695 Output pin for selectively outputting one of a plurality of signals internal to a semiconductor chip according to a programmable register for diagnostics Philip Manela, Peter Birch, John Lin 1998-02-10 $47,781,000