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USPTO Patent Rankings Data through Dec 31, 2025
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David L. Weekley — 2 Patents

VAVactec: 2 patents #2 of 3Top 70%
Newton Falls, OH: #8 of 29 inventorsTop 30%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David L. Weekley has been granted 2 US patents while listed as an inventor at Vactec. The first was granted in 1989 and the most recent in November 1990. David L. Weekley ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David L. Weekley in Newton Falls, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4971232 Nozzle shroud for a molten metal stream 1990-11-20
4840297 Apparatus for shielding a molten metal stream Ivan Parker 1989-06-20