Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lothar Ackermann — 4 Patents

SASchott Ag: 2 patents #437 of 1,181Top 40%
SGSchott Glas: 1 patents #148 of 378Top 40%
Idar-Oberstein, DE: #16 of 109 inventorsTop 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Lothar Ackermann has been granted 4 US patents while listed as an inventor at Schott Ag. The first was granted in 2002 and the most recent in January 2011. Lothar Ackermann ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Lothar Ackermann in Idar-Oberstein, DE.

Patents per Year

Patents granted per year, 2002 to 2011Bar chart with a peak of 1 patents in 2002.peak 12002: 1 patents20022006: 1 patents20062009: 1 patents20092011: 1 patents2011

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7868708 Method and apparatus for making a highly uniform low-stress single crystal by drawing from a melt and uses of said crystal Gunther Wehrhan, Lutz Parthier, Daniel Rytz, Klaus Dupre 2011-01-11
7476274 Method and apparatus for making a highly uniform low-stress single crystal by drawing from a melt and uses of said crystal Gunther Wehrhan, Lutz Parthier, Daniel Rytz, Klaus Dupre 2009-01-13
7067007 Process and device for growing single crystals Daniel Rytz, Klaus Dupre 2006-06-27
6387177 Method for manufacturing a segmented crystal 2002-05-14