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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William B. DeRolf — 5 Patents

Oracle: 5 patents #2,558 of 14,854Top 20%
Sunrise, FL: #273 of 1,476 inventorsTop 20%
Florida: #10,953 of 67,251 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
William B. DeRolf has been granted 5 US patents while listed as an inventor at Oracle. The first was granted in 2000 and the most recent in June 2005. William B. DeRolf ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list William B. DeRolf in Sunrise, FL, US.

Patents per Year

Patents granted per year, 2000 to 2005Bar chart with a peak of 2 patents in 2000.peak 22000: 2 patents20002001: 1 patents20012002: 1 patents20022005: 1 patents2005

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6904544 Method, system, program, and data structures for testing a network system including input/output devices Gavin James Kirton 2005-06-07 $17,198,000
6442670 Data processing system including a shared memory resource circuit John D. Acton, Michael D. Derbish, Gavin Gibson, Jack M. Hardy, Jr., Hugh M. Humphreys +3 more 2002-08-27 $21,617,000
6256722 Data processing system including a shared memory resource circuit John D. Acton, Michael D. Derbish, Gavin Gibson, Jack M. Hardy, Jr., Hugh M. Humphreys +3 more 2001-07-03 $83,904,000
6134647 Computing system having multiple nodes coupled in series in a closed loop John D. Acton, Michael D. Derbish, Gavin Gibson, Jack M. Hardy, Jr., Hugh M. Humphreys +3 more 2000-10-17 $175,548,000
6094532 Multiprocessor distributed memory system and board and methods therefor John D. Acton, Michael D. Derbish, Gavin Gibson, Jack M. Hardy, Jr., Hugh M. Humphreys +3 more 2000-07-25 $213,290,000