Inventor

DURINA MICHAEL F

US10 patents

⚠️ This page may combine multiple inventors who share the name “DURINA MICHAEL F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPIREX CORP

6 patents

US5188399AFeb 23, 1993

MD PLASTICS INC

2 patents

US6499987B1Dec 31, 2002

Positive control non-return valve for an injection molding machine

MD PLASTICS INC19 citations81

US7527493B1May 5, 2009

Precise control non-return valve

MD PLASTICS INC7 citations71

DURINA MICHAEL F

2 patents

US6752528B1Jun 22, 2004

Plasticating screw for efficient melting and mixing of polymeric material

DURINA MICHAEL F12 citations70

US8734146B2May 27, 2014

Miniature automatic shutoff nozzle tip

DURINA MICHAEL F2 citations59

DURINA MICHAEL F

SPIREX CORP

Pipe coupling device and method

Plastic extruder with automatic shut-off valve

Plastic feeding device and method

Methods of injection molding and extruding wet hygroscopic ionomers

Plastic extruder having a mixing valve with automatic shut-off

Screw and plasticating apparatus and method

MD PLASTICS INC

Positive control non-return valve for an injection molding machine

Precise control non-return valve

DURINA MICHAEL F

Plasticating screw for efficient melting and mixing of polymeric material

Miniature automatic shutoff nozzle tip