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USPTO Patent Rankings Data through Dec 31, 2025
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Ralf Bartl — 2 Patents

Meta: 1 patents #4,137 of 6,845Top 65%
Gammertingen, DE: #7 of 28 inventorsTop 25%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ralf Bartl has been granted 2 US patents while listed as an inventor at Meta. The first was granted in 2001 and the most recent in April 2002. Ralf Bartl ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ralf Bartl in Gammertingen, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6368561 Magnetic separator Marcel Rutishauser 2002-04-09
D444236 Perimeter Norbert Koop, Gert Koest 2001-06-26