Inventor · disambiguated record
Spiros G. Raftis
Also filed as: CAMPBELL JAMES A · RAFTIS SPIROS G
25 granted patents·4 pending applications·840 citations·filing 1976–2012
97Inventor score
Top patents by PatentIndex Score
29 records- 0195US4492253ATide gate valveRED VALVE CO INC·Filed 1982·Granted Jan 8, 1985·73 cites·4 claims
- 0294US6412514B1Flip check valveRED VALVE CO INC·Filed 2000·Granted Jul 2, 2002·61 cites·16 claims
- 0392US4523738ADeformable sleeve for a pinch valveRED VALVE CO INC·Filed 1984·Granted Jun 18, 1985·88 cites·13 claims
- 0491US6585005B1Reinforced tide gate valveRED VALVE CO INC·Filed 2000·Granted Jul 1, 2003·51 cites·7 claims
- 0588US4268005APinch valveRED VALVE CO INC·Filed 1978·Granted May 19, 1981·56 cites·5 claims
- 0687US6367783B1Fine bubble diffuserRED VALVE CO INC·Filed 1999·Granted Apr 9, 2002·76 cites·17 claims
- 0787US4172580APinch valveRED VALVE CO INC·Filed 1977·Granted Oct 30, 1979·39 cites·4 claims
- 0883US4607663AInversion-resistant, readily-openable tide gate valveRED VALVE CO INC·Filed 1985·Granted Aug 26, 1986·48 cites·5 claims
- 0981US5769125AInversion-resistant, readily openable tide gate valveRED VALVE CO INC·Filed 1996·Granted Jun 23, 1998·45 cites·19 claims
- 1081US4372528APinch valve sleeveRED VALVE CO INC·Filed 1981·Granted Feb 8, 1983·36 cites·11 claims
- 1180US6367505B1Check valve with oversized billRED VALVE CO INC·Filed 2000·Granted Apr 9, 2002·25 cites·25 claims
- 1277US10316977B2Multi-outlet check valve nozzleRAFTIS SPIROS G·Filed 2012·Granted Jun 11, 2019·6 cites·6 claims
- 1376US5931197AAsymmetrical check valveRED VALVE CO INC·Filed 1998·Granted Aug 3, 1999·37 cites·21 claims
- 1474US6016839AAir diffuser valveRED VALVE CO INC·Filed 1998·Granted Jan 25, 2000·34 cites·20 claims
- 1572US6953059B2Check valve with hangerRED VALVE CO INC·Filed 2003·Granted Oct 11, 2005·14 cites·10 claims
- 1667US4763527ATemperature-resistant isolation fluid pressure detectorRED VALVE CO INC·Filed 1987·Granted Aug 16, 1988·24 cites·4 claims
- 1767US4585031AInversion-resistant tide gate valveRED VALVE CO INC·Filed 1985·Granted Apr 29, 1986·32 cites·7 claims
- 1866US5606995AInversion-resistant, readily openable tide gate valveRED VALVE CO INC·Filed 1994·Granted Mar 4, 1997·25 cites·11 claims
- 1965US4534224AIsolation fluid pressure detectorRED VALVE CO INC·Filed 1984·Granted Aug 13, 1985·19 cites·7 claims
- 2058US7104279B2Method and apparatus for preventing stagnation in fluid reservoirsRED VALVE CO INC·Filed 2001·Granted Sep 12, 2006·7 cites·15 claims
- 2157US4125125APinch valve constructionEZEKOYE LEVI I·Filed 1976·Granted Nov 14, 1978·16 cites·7 claims
- 2253US6561225B2Passive flow control valveRED VALVE CO INC·Filed 2002·Granted May 13, 2003·9 cites·20 claims
- 2350US4923166APressure-reducing noise-abating control valveRED VALVE CO INC·Filed 1989·Granted May 8, 1990·13 cites·10 claims
- 2450US2008083889A1Directly Fluid Operated Pinch ValveRED VALVE CO INC·Filed 2007·Application pending·0 cites
- 2547US2006120214A1Mixing deviceRED VALVE CO INC·Filed 2005·Application pending·0 cites
- 2647US2007246113A1First flush passive flow control valveRED VALVE CO INC·Filed 2007·Application pending·0 cites
- 2736US2004033108A1Flexible weir style pinch valveFiled 2003·Application pending·0 cites
- 2834US5282314AMethod of making a pressure relief valueRED VALVE CO INC·Filed 1993·Granted Feb 1, 1994·4 cites·4 claims
- 2931US5215123APressure relief valveRED VALVE CO INC·Filed 1992·Granted Jun 1, 1993·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →