Inventor · disambiguated record
Hans Wiegand
Also filed as: WIEGAND HANS · WIEGAND HANS-JUERGEN
5 granted patents·1 pending application·26 citations·filing 1979–2018
73Inventor score
Top patents by PatentIndex Score
6 records- 0151US11052342B2Pocket filter elementFREUDENBERG CARL KG·Filed 2018·Granted Jul 6, 2021·0 cites·19 claims
- 0249US5954848AFilter cartridge and method for its manufactureFREUDENBERG CARL FA·Filed 1998·Granted Sep 21, 1999·19 cites·8 claims
- 0348US10220344B2Filter cartridge comprising a weld seamFREUDENBERG CARL KG·Filed 2016·Granted Mar 5, 2019·0 cites·20 claims
- 0437US4318335APressure control valveITT·Filed 1979·Granted Mar 9, 1982·4 cites·23 claims
- 0534US2002108701A1Method of producing a filter insertFiled 2001·Application pending·0 cites
- 0627US6143046AFilter cartridge having vibratable diaphragmFREUDENBERG CARL FA·Filed 1998·Granted Nov 7, 2000·3 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Hans Wiegand 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 →