Inventor · disambiguated record
Hans-Henrich Stiehl
Also filed as: NEUMANN GERHARD M · STIEHL HANS H · STIEHL HANS ULRICH · STIEHL HANS-HENRICH
6 granted patents·2 pending applications·273 citations·filing 1977–2002
87Inventor score
Top patents by PatentIndex Score
8 records- 0192US4225328AExchangeable filter elementDELBAG LUFTFILTER GMBH·Filed 1978·Granted Sep 30, 1980·65 cites·7 claims
- 0285US4878149ADevice for generating ions in gas streamsSORBIOS VERFAHRENSTECH·Filed 1987·Granted Oct 31, 1989·74 cites·14 claims
- 0381US4197098AFilter bypass measurement sectionDELBAG LUFTFILTER GMBH·Filed 1977·Granted Apr 8, 1980·38 cites·8 claims
- 0479US5364600AApparatus for producing ozone from oxygenSORBIOS GMBH·Filed 1991·Granted Nov 15, 1994·42 cites·4 claims
- 0562US5569437AOzone generating apparatusSORBIOS VERFAHRENSTECH·Filed 1995·Granted Oct 29, 1996·28 cites·15 claims
- 0659US5506507AApparatus for measuring ions in a clean room gas flow using a spherical electrodeSORBIOS VERFAHRENSTECH·Filed 1993·Granted Apr 9, 1996·26 cites·8 claims
- 0742US2003066762A1Amperometric probeFiled 2002·Application pending·0 cites
- 0840US2003056577A1Sensor cell for measuring the concentration of a component in a two-component liquid mixture, method, apparatus and etching systemFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hans-Henrich Stiehl 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 →