Inventor · disambiguated record
Michael F. Durina
Also filed as: DURINA MICHAEL · DURINA MICHAEL F
11 granted patents·319 citations·filing 1988–2022
92Inventor score
Top patents by PatentIndex Score
11 records- 0186US5188399APipe coupling device and methodSPIREX CORP·Filed 1990·Granted Feb 23, 1993·59 cites·9 claims
- 0284US4944906AMethods of injection molding and extruding wet hygroscopic ionomersSPIREX CORP·Filed 1988·Granted Jul 31, 1990·50 cites·20 claims
- 0383US5816698AScrew and plasticating apparatus and methodSPIREX CORP·Filed 1996·Granted Oct 6, 1998·51 cites·14 claims
- 0482US5164207APlastic extruder with automatic shut-off valveSPIREX CORP·Filed 1991·Granted Nov 17, 1992·50 cites·5 claims
- 0580US7527493B1Precise control non-return valveMD PLASTICS INC·Filed 2007·Granted May 5, 2009·7 cites·6 claims
- 0680US6499987B1Positive control non-return valve for an injection molding machineMD PLASTICS INC·Filed 2000·Granted Dec 31, 2002·19 cites·10 claims
- 0772US6752528B1Plasticating screw for efficient melting and mixing of polymeric materialDURINA MICHAEL F·Filed 2002·Granted Jun 22, 2004·12 cites·7 claims
- 0872US5096302APlastic feeding device and methodSPIREX CORP·Filed 1991·Granted Mar 17, 1992·37 cites·17 claims
- 0969US8734146B2Miniature automatic shutoff nozzle tipDURINA MICHAEL F·Filed 2010·Granted May 27, 2014·2 cites·1 claims
- 1067US5439633APlastic extruder having a mixing valve with automatic shut-offSPIREX CORP·Filed 1994·Granted Aug 8, 1995·32 cites·8 claims
- 1150US12151416B2Plasticating and injection molding systemDURINA MICHAEL·Filed 2022·Granted Nov 26, 2024·0 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →