Inventor · disambiguated record
Hans Janssen
Also filed as: JANSSEN HANS · JANSSEN HANS-GEORG
6 granted patents·2 pending applications·34 citations·filing 1975–2019
78Inventor score
Files withPOLYTEC PLASTICS GERMANY GMBH & CO KG4BAYER AG1JANSSEN HANS1WESER DT197408177427990 U 11421WESER WERFT BREMEN AG1
Top patents by PatentIndex Score
8 records- 0162US8267071B2Device for separating liquids from gasesJANSSEN HANS·Filed 2007·Granted Sep 18, 2012·6 cites·15 claims
- 0261US4249765AArrangement for holding ropes and the likeWESER WERFT BREMEN AG·Filed 1979·Granted Feb 10, 1981·16 cites·8 claims
- 0350US10279293B2Cascade impactorPOLYTEC PLASTICS GERMANY GMBH & CO KG·Filed 2015·Granted May 7, 2019·0 cites·7 claims
- 0441US6089829APump for hot corrosive meltsBAYER AG·Filed 1996·Granted Jul 18, 2000·10 cites·5 claims
- 0540US10301987B2Multi-stage jet suction pumpPOLYTEC PLASTICS GERMANY GMBH & CO KG·Filed 2016·Granted May 28, 2019·0 cites·4 claims
- 0639US2021270212A1Tank ventilationPOLYTEC PLASTICS GERMANY GMBH & CO KG·Filed 2019·Application pending·0 cites
- 0728US2018140984A1Disk separator with welded plastic housingPOLYTEC PLASTICS GERMANY GMBH & CO KG·Filed 2016·Application pending·0 cites
- 0822US3988999AThrust coupling for watercraftWESER DT197408177427990 U 1142·Filed 1975·Granted Nov 2, 1976·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Hans Janssen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →