Inventor · disambiguated record
Berthold A. Fehn
Also filed as: FEHN BERTHOLD · FEHN BERTHOLD A
6 granted patents·82 citations·filing 1975–1995
84Inventor score
Top patents by PatentIndex Score
6 records- 0177US5106272ASludge flow measuring systemSCHWING AMERICA INC·Filed 1990·Granted Apr 21, 1992·28 cites·34 claims
- 0268US5507624ASludge PumpSCHWING GMBH F·Filed 1994·Granted Apr 16, 1996·25 cites·28 claims
- 0344US5346368ASludge flow measuring systemSCHWING AMERICA INC·Filed 1993·Granted Sep 13, 1994·7 cites·14 claims
- 0444US5257912ASludge flow measuring systemSCHWING AMERICA INC·Filed 1992·Granted Nov 2, 1993·12 cites·31 claims
- 0543USRE35473ESludge flow measuring systemSCHWING AMERICA INC·Filed 1995·Granted Mar 11, 1997·7 cites·34 claims
- 0617US3966061AApparatus for installing and removing the drive assembly in chain driven-vehiclesSYSTEMTECHNIK MBH GES·Filed 1975·Granted Jun 29, 1976·3 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Berthold A. Fehn 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 →