Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Helmuth Blank — 4 Patents

PHPhoenix: 4 patents #26 of 153Top 20%
Seevetal, DE: #44 of 356 inventorsTop 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Helmuth Blank has been granted 4 US patents while listed as an inventor at Phoenix. The first was granted in 2001 and the most recent in November 2003. Helmuth Blank ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Helmuth Blank in Seevetal, DE.

Patents per Year

Patents granted per year, 2001 to 2003Bar chart with a peak of 2 patents in 2001.peak 22001: 2 patents20012002: 1 patents20022003: 1 patents2003

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6649237 Mat consisting of tubes Bernd Pahl 2003-11-18
6471138 Electrically insulating rail system Heiko Hoft, Bernd Pahl 2002-10-29
6296195 Rail system Bernd Pahl 2001-10-02
6283383 Rail system Bernd Pahl 2001-09-04