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

David Howells — 2 Patents

IBM: 1 patents #44,878 of 70,183Top 65%
Worcester, GB: #85 of 288 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Howells has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2001 and the most recent in February 2020. David Howells ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Howells in Worcester, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10558818 Supporting security access controls in an overlay filesystem Vivek Goyal, Daniel J. Walsh, Miklos Szeredi 2020-02-11
6234368 Protective bra cage device for laundering delicate undergarments Meryl J. DesForges 2001-05-22