Inventor · disambiguated record
Brian Ralph
Also filed as: RALPH BRIAN · RALPH BRIAN J
4 granted patents·29 citations·filing 1982–2017
73Inventor score
Top patents by PatentIndex Score
4 records- 0173US6722875B2Vertical injection molding machineDORN DEMAG CORP VAN·Filed 2002·Granted Apr 20, 2004·14 cites·29 claims
- 0272US10507814B2Hydraulic failure isolation valveGOODRICH CORP·Filed 2017·Granted Dec 17, 2019·2 cites·16 claims
- 0335US4589314AFilm cutterRALPH BRIAN·Filed 1985·Granted May 20, 1986·7 cites·1 claims
- 0434US4468268AMethod of splicing motion picture film negativesRALPH BRIAN·Filed 1982·Granted Aug 28, 1984·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →