Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen D. Helm — 2 Patents

3M: 2 patents #5,350 of 11,543Top 50%
Blackburn, GB: #48 of 184 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Stephen D. Helm has been granted 2 US patents while listed as an inventor at 3M. The first was granted in 2014 and the most recent in April 2019. Stephen D. Helm ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stephen D. Helm in Blackburn, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10272214 Valve for pressurized metered dose dispenser Andrew D. Child 2019-04-30 $46,375,000
8814009 Metered dose valve Peter D. Hodson, Matthew A. Goring, Stephen J. Howgill, John Fielding, Richard D. Brewer +6 more 2014-08-26 $16,300,000