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USPTO Patent Rankings Data through Dec 31, 2025
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Nikolaus Stefancik — 2 Patents

DGDidier Engineering Gmbh: 2 patents #29 of 71Top 45%
BGBergwerksverband Gmbh: 1 patents #90 of 243Top 40%
Düsseldorf, DE: #431 of 1,229 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Nikolaus Stefancik has been granted 2 US patents while listed as an inventor at Didier Engineering Gmbh. The first was granted in 1980 and the most recent in November 1983. Nikolaus Stefancik ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Nikolaus Stefancik in Düsseldorf, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4412770 Charging of coke ovens and method Manfred Galow 1983-11-01
4210430 Cyclone separator assembly Manfred Galow 1980-07-01