Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Ferrer — 11 Patents

AMAmeriflo: 5 patents #2 of 3Top 70%
HEHelmer: 3 patents #2 of 12Top 20%
HSHelmer Scientific: 2 patents #5 of 14Top 40%
BPBfs Diversified Products: 1 patents #35 of 69Top 55%
Westfield, IN: #43 of 283 inventorsTop 20%
Indiana: #3,316 of 33,936 inventorsTop 10%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
David A. Ferrer has been granted 11 US patents while listed as an inventor at Ameriflo. The first was granted in 2005 and the most recent in March 2025. David A. Ferrer ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David A. Ferrer in Westfield, IN, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12251342 Medical products storage device including access control Thomas J. Larkner, Jesse M. Smith, Dennis H. Smith, Adam A. Cloud, Mark D. Lockwood +2 more 2025-03-18
11883335 Medical products storage device including access control Thomas J. Larkner, Jesse M. Smith, Dennis H. Smith, Adam A. Cloud, Mark D. Lockwood +2 more 2024-01-30
11534356 Medical products storage device including access control Thomas J. Larkner, Jesse M. Smith, Dennis H. Smith, Adam A. Cloud, Mark D. Lockwood +2 more 2022-12-27
10821044 Medical products storage device including access control Thomas J. Larkner, Jesse M. Smith, Dennis H. Smith, Adam A. Cloud, Mark D. Lockwood +2 more 2020-11-03
9579245 Medical products storage device including access control Thomas J. Larkner, Jesse M. Smith, Dennis H. Smith, Adam A. Cloud, Mark D. Lockwood +2 more 2017-02-28
8230859 Method and apparatus for regulating fluid James A. Voege, Matthew G. Thie 2012-07-31
8146592 Method and apparatus for regulating fluid flow or conserving fluid flow James A. Voege, Matthew G. Thie 2012-04-03
7617826 Conserver James A. Voege, Matthew G. Thie 2009-11-17
7448594 Fluid regulator James A. Voege 2008-11-11
7298280 Lighted fluid flow indication apparatus James A. Voege, Matthew G. Thie 2007-11-20
6845973 Air spring with restraining cylinder 2005-01-25