Inventor · disambiguated record
Bernd Federhen
Also filed as: FEDERHEN BERND
11 granted patents·132 citations·filing 1983–2016
89Inventor score
Top patents by PatentIndex Score
11 records- 0182US4592679APneumatic conveying process and apparatusKLEIN ALB GMBH CO KG·Filed 1983·Granted Jun 3, 1986·36 cites·2 claims
- 0274US6802685B1Device and method for inwardly transferring bulk material into a pneumatic conveyor lineFiled 2000·Granted Oct 12, 2004·20 cites·21 claims
- 0370US4674922AApparatus and process for controlling a charging operation for a feed of particles of bulk materialFEDERHEN BERND·Filed 1985·Granted Jun 23, 1987·32 cites·12 claims
- 0452US4955761AProcess for pneumatically conveying material and apparatus for controlling the feed of air thereforKLEIN ALB GMBH CO KG·Filed 1989·Granted Sep 11, 1990·11 cites·20 claims
- 0542US5224802AMethod and apparatus for controlling the infeed of air into the conveyor conduit of a pneumatic conveyor installationKLEIN ALB GMBH CO KG·Filed 1992·Granted Jul 6, 1993·10 cites·19 claims
- 0640US5393138AApparatus for mixing foundry mould substancesFiled 1993·Granted Feb 28, 1995·11 cites·13 claims
- 0738US4850751AMethod and apparatus for introducing bulk material into a pneumatic conveyor conduitKLEIN ALB GMBH CO KG·Filed 1987·Granted Jul 25, 1989·7 cites·16 claims
- 0836US11235376B2Method and device for regenerating foundry sandKLEIN ANLAGENBAU AG·Filed 2016·Granted Feb 1, 2022·0 cites·11 claims
- 0933US5464310AConveyor conduit for bulk material to be pneumatically conveyedKLEIN ALB GMBH CO KG·Filed 1993·Granted Nov 7, 1995·5 cites·18 claims
- 1028US5259434AMethod of regenerating used foundry sandsKLEIN ALB GMBH CO KG·Filed 1992·Granted Nov 9, 1993·0 cites·12 claims
- 1127US5082024AValve assembly including a hollow conduitKLEIN ALB GMBH CO KG·Filed 1990·Granted Jan 21, 1992·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →