Inventor · disambiguated record
Herbert L. Ritchie, Jr.
Also filed as: RITCHIE JR HERBERT L
6 granted patents·429 citations·filing 1989–2021
86Inventor score
Top patents by PatentIndex Score
6 records- 0197US9506346B2Overflow vortex transfer systemBRIGHT MARK A·Filed 2010·Granted Nov 29, 2016·55 cites·20 claims
- 0296US5028211ATorque coupling systemCARBORUNDUM CO·Filed 1989·Granted Jul 2, 1991·132 cites·12 claims
- 0394US5947705AMolten metal transfer pumpMETAULLICS SYSTEMS CO LP·Filed 1997·Granted Sep 7, 1999·123 cites·20 claims
- 0494US5025198ATorque coupling system for graphite impeller shaftsCARBORUNDUM CO·Filed 1990·Granted Jun 18, 1991·118 cites·6 claims
- 0573US11939993B2Overflow vortex transfer systemPYROTEK INC·Filed 2021·Granted Mar 26, 2024·0 cites·13 claims
- 0673US11187233B2Overflow vortex transfer systemPYROTEK INC·Filed 2016·Granted Nov 30, 2021·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →