Inventor · disambiguated record
Gerhard Frank
Also filed as: FRANK GERHARD
5 granted patents·89 citations·filing 1974–2000
81Inventor score
Top patents by PatentIndex Score
5 records- 0172US5567315ALifting-lowering type aquarium filterEHEIM GMBH & CO KG·Filed 1995·Granted Oct 22, 1996·35 cites·73 claims
- 0270US4002360AWindow hardwareSIEGENIA FRANK KG·Filed 1974·Granted Jan 11, 1977·26 cites·6 claims
- 0351US6508483B1Sidecar steering aidFiled 2000·Granted Jan 21, 2003·7 cites·3 claims
- 0447US5404840ACovering device for an aquarium, terrarium or similar vivariumEHEIM GMBH & CO KG·Filed 1994·Granted Apr 11, 1995·16 cites·75 claims
- 0533US4178841AAir ventSIEGENIA FRANK KG·Filed 1978·Granted Dec 18, 1979·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →