Inventor · disambiguated record
Ronald A. Plasek
Also filed as: PLASEK RONALD A
7 granted patents·2 pending applications·67 citations·filing 1999–2016
84Inventor score
Top patents by PatentIndex Score
9 records- 0177US6779350B2Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensorRITCHIE ENGINERRING COMPANY IN·Filed 2003·Granted Aug 24, 2004·18 cites·28 claims
- 0274US7310965B2Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatusRITCHIE ENGINEERING COMPANY IN·Filed 2005·Granted Dec 25, 2007·4 cites·1 claims
- 0368US6311782B1Apparatus for trimming and edging grass around a lawn sprinkler headFiled 1999·Granted Nov 6, 2001·33 cites·12 claims
- 0463US6832491B2Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatusRITCHIE ENGINEERING COMPANY IN·Filed 2003·Granted Dec 21, 2004·7 cites·28 claims
- 0559US7073346B2Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensorRITCHIE ENGINEERING COMPANY IN·Filed 2004·Granted Jul 11, 2006·5 cites·20 claims
- 0652US7428822B2Vacuum sensorRITCHIE ENGINEERING COMPANY IN·Filed 2006·Granted Sep 30, 2008·0 cites·21 claims
- 0747US2007113575A1Valve manifold assemblyRITCHIE ENGINEERING COMPANY IN·Filed 2006·Application pending·0 cites
- 0843US7159412B2Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatusRITCHIE ENGINEERING COMPANY IN·Filed 2004·Granted Jan 9, 2007·0 cites·7 claims
- 0932US2017191719A1Refrigerant management system with operational efficiency improvement devicesRITCHIE ENG COMPANY INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →