Inventor · disambiguated record
Ronald Herzfeld
Also filed as: HERZFELD RONALD · HERZFELD RONALD MICHAEL
7 granted patents·2 pending applications·125 citations·filing 1983–2010
87Inventor score
Top patents by PatentIndex Score
9 records- 0192USD282318SBrushHERZFELD RONALD·Filed 1983·Granted Jan 28, 1986·33 cites·1 claims
- 0289USD281035SBrushHERZFELD RONALD·Filed 1983·Granted Oct 22, 1985·32 cites·1 claims
- 0385USD282317SBrush and holderHERZFELD RONALD·Filed 1983·Granted Jan 28, 1986·18 cites·1 claims
- 0482USD282319SBrush assemblyHERZFELD RONALD·Filed 1983·Granted Jan 28, 1986·15 cites·1 claims
- 0556US4634053AHandle for a fluidic cleaning and/or massaging deviceKNORR BREMSE FLUIDICS GMBH·Filed 1985·Granted Jan 6, 1987·24 cites·14 claims
- 0649USD282316SBrush holderHERZFELD RONALD·Filed 1983·Granted Jan 28, 1986·3 cites·1 claims
- 0739US2009062153A1Enzyme enhanced oil/gas recovery (EEOR/EEGR) using non-gel hydraulic fracturing in hydrocarbon producing wellsGRAY JOHN L·Filed 2007·Application pending·0 cites
- 0833US2010300693A1Enzyme Surfactant Fluids Used in Non-Gel Hydraulic Fracturing of Oil WellsGRAY JOHN L·Filed 2010·Application pending·0 cites
- 0928USD285262SToothbrush assemblyTHORWARTH & GREBE OHG·Filed 1984·Granted Aug 26, 1986·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Ronald Herzfeld 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 →