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

David Vaseleniuck — 10 Patents

VAVaztec: 6 patents #1 of 2Top 50%
Denver, NC: #11 of 132 inventorsTop 9%
North Carolina: #5,314 of 45,564 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
David Vaseleniuck has been granted 10 US patents while listed as an inventor at Vaztec. The first was granted in 2008 and the most recent in June 2020. David Vaseleniuck ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David Vaseleniuck in Denver, NC, US.

Patents per Year

Patents granted per year, 2008 to 2020Bar chart with a peak of 4 patents in 2016.peak 42008: 1 patents20082015: 1 patents20152016: 4 patents20162017: 1 patents20172018: 2 patents20182020: 1 patents2020

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10677190 Engine with rotating valve assembly Darrick Vaseleniuck 2020-06-09
9903239 Engine with rotary valve apparatus Darrick Vaseleniuck 2018-02-27
9869397 Modular rotary valve apparatus Darrick Vaseleniuck 2018-01-16
D776793 Rotary valve Darrick Vaseleniuck 2017-01-17
D766331 Seal Darrick Vaseleniuck 2016-09-13
D755249 Rotary valve chamber Darrick Vaseleniuck 2016-05-03
D755248 Rotary valve spring Darrick Vaseleniuck 2016-05-03
D755356 Seal Darrick Vaseleniuck 2016-05-03
9115606 Head assembly for an internal combustion engine Darrick Vaseleniuck 2015-08-25
7367299 Variable ratio rocker assembly 2008-05-06