Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David C. Butchart — 5 Patents

EMEmc: 5 patents #619 of 3,345Top 20%
Sammamish, WA: #909 of 2,558 inventorsTop 40%
Washington: #19,692 of 76,902 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David C. Butchart has been granted 5 US patents while listed as an inventor at Emc. The first was granted in 2003 and the most recent in December 2010. David C. Butchart ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David C. Butchart in Sammamish, WA, US.

Patents per Year

Patents granted per year, 2003 to 2010Bar chart with a peak of 2 patents in 2009.peak 22003: 1 patents20032007: 1 patents20072009: 2 patents20092010: 1 patents2010

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7861302 Physical scanning of storage based apparatus for antivirus Yoav Raz, Steven M. Blumenau, Michel F. Fisher 2010-12-28 $19,593,000
7634567 Configuring data storage for electronic mail application Douglas A. Wood, Uday Gupta, Stephen J. Todd, Andreas Bauer, Mark A. Parenti +3 more 2009-12-15 $27,942,000
7523231 Application aware storage Uday Gupta, Andreas Bauer, Stephen J. Todd, Douglas A. Wood, Mark A. Parenti +6 more 2009-04-21 $76,876,000
7216366 Storage based apparatus for antivirus Yoav Raz, Steven M. Blumenau, Michel F. Fisher 2007-05-08 $28,143,000
6516394 System and method for management of storage devices using labels Arieh Don, Alexandr Veprinsky 2003-02-04 $73,408,000