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

David Melchior — 2 Patents

Basf Se: 1 patents #8,065 of 13,826Top 60%
Bensberg, DE: #256 of 664 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Melchior has been granted 2 US patents while listed as an inventor at Basf Se. The first was granted in 2017 and the most recent in June 2018. David Melchior ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Melchior in Bensberg, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9993000 Isosorbide ether derivatives with preservation activity Claudia Stoer, Claus Nieendick, Annette Mehling, Thomas Albers 2018-06-12
9646812 MALDI sample preparation methods and targets Oliver Schmitz, Volker Wulf, Lukas Hyzak, Michaela Wirtz, Hans-Willi Kling +1 more 2017-05-09