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Friedrich Bottger

G& G. Siempelkamp Gmbh &: 4 patents #11 of 57Top 20%
IG Intertractor Gmbh: 2 patents #8 of 25Top 35%
📍 Haan, DE: #41 of 215 inventorsTop 20%
Overall (All Time): #882,101 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6412887 Two-piece master chain link Michael Ketting 2002-07-02
5829850 Crawler chain for tracked vehicles Michael Ketting, Mathias Woydt, Wolfgang Kunkel, Karl-Friedrich Fischer 1998-11-03
5202133 Apparatus for spreading a particle mass Jurgen Pesch 1993-04-13
4647417 Particleboard press with spring-loaded platen Klaus Gerhardt 1987-03-03
4645632 Belt-type particleboard press with flexible upper platen Klaus Gerhardt 1987-02-24
4605467 Apparatus for producing steam hardened pressedboard 1986-08-12