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

David C. Clifford — 5 Patents

Microsoft: 5 patents #8,859 of 40,388Top 25%
Santa Clara, CA: #3,050 of 9,301 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David C. Clifford has been granted 5 US patents while listed as an inventor at Microsoft. The first was granted in 2008 and the most recent in May 2011. David C. Clifford ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David C. Clifford in Santa Clara, CA, US.

Patents per Year

Patents granted per year, 2008 to 2011Bar chart with a peak of 2 patents in 2010.peak 22008: 1 patents20082009: 1 patents20092010: 2 patents20102011: 1 patents2011

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7944863 Accelerated channel change in rate-limited environments Geoffrey R. Smith, James Armand Baldwin, Michael Dodd, Peter T. Barrett, Grant Mohr +1 more 2011-05-17 $20,389,000
7813268 Retry strategies for use in a streaming environment Dustin L. Green, Geoffrey R. Smith, Michael Dodd, Peter T. Barrett, Grant Mohr 2010-10-12 $16,215,000
7765305 Retry request overload protection Geoffrey R. Smith, Grant Mohr 2010-07-27 $22,577,000
7477653 Accelerated channel change in rate-limited environments Geoffrey R. Smith, James Armand Baldwin, Michael Dodd, Peter T. Barrett, Grant Mohr +1 more 2009-01-13 $27,818,000
7370129 Retry strategies for use in a streaming environment Dustin L. Green, Michael Dodd, Geoffrey R. Smith, Peter T. Barrett, Grant Mohr 2008-05-06 $36,419,000