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USPTO Patent Rankings Data through Sept 30, 2025
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Karl-Heinz Renger

RGRsp Gmbh: 1 patents #1 of 3Top 35%
Bad Blankenburg, DE: #1 of 4 inventorsTop 25%
Overall (2023): #372,584 of 537,848Top 70%
1 Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11643790 Suction dredger having a swiveling filter unit Marina Renger, Jens Graber 2023-05-09