Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David B Lamkins — 2 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
Portland, OR: #4,651 of 9,213 inventorsTop 55%
Oregon: #12,752 of 28,073 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David B Lamkins has been granted 2 US patents while listed as an inventor at Microsoft. The first was granted in 2006 and the most recent in May 2007. David B Lamkins ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David B Lamkins in Portland, OR, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7213069 Category name service able to override the category name based on requestor privilege information Todd J. Anderson, Stephen Caird, John Todd Larason, Alan C. Packer 2007-05-01 $59,716,000
6985950 System for creating a space-efficient document categorizer for training and testing of automatic categorization engines Andrew Bard Hanson 2006-01-10 $36,413,000