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

William E. Freeman — 6 Patents

Northrop Grumman: 6 patents #257 of 2,250Top 15%
Sykesville, MD: #27 of 165 inventorsTop 20%
Maryland: #5,557 of 35,612 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
William E. Freeman has been granted 6 US patents while listed as an inventor at Northrop Grumman. The first was granted in 2007 and the most recent in August 2016. William E. Freeman ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William E. Freeman in Sykesville, MD, US.

Patents per Year

Patents granted per year, 2007 to 2016Bar chart with a peak of 1 patents in 2007.peak 12007: 1 patents20072008: 1 patents20082009: 1 patents20092011: 1 patents20112012: 1 patents20122016: 1 patents2016

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9419800 Secure network systems and methods Neil G. Siegel, Daniel Jacques 2016-08-16 $23,299,000
8256007 Data security management system and methods Gregory Eugene Dossett, Daniel Jacques, Chimaeze Obinna Chikeka, Thomas Michael Moses 2012-08-28 $12,602,000
8086867 Secure identity and privilege system Mark A. Bellmore, Kenneth W. Aull 2011-12-27 $29,839,000
7475250 Assignment of user certificates/private keys in token enabled public key infrastructure system Kenneth W. Aull, Thomas C. Kerr, Mark A. Bellmore 2009-01-06 $41,234,000
7421079 Method and apparatus for secure key replacement Mark A. Bellmore 2008-09-02 $17,127,000
7206936 Revocation and updating of tokens in a public key infrastructure system Kenneth W. Aull, Thomas C. Kerr, Mark A. Bellmore 2007-04-17 $22,888,000