Robert E. Nunn

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Londonderry, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Mixing screw for extrusion and injection molding
- Patent number 4,925,313
- Issue date May 15, 1990
- HPM Corporation
- Robert E. Nunn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Adaptive process control for injection molding
- Patent number 4,850,217
- Issue date Jul 25, 1989
- HPM Corporation
- Robert E. Nunn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Adaptive process control for injection molding
- Patent number 4,816,197
- Issue date Mar 28, 1989
- HPM Corporation
- Robert E. Nunn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding apparatus having low shear screw
- Patent number 4,306,848
- Issue date Dec 22, 1981
- HPM Corporation
- Robert E. Nunn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding process utilizing low shear screw
- Patent number 4,299,792
- Issue date Nov 10, 1981
- HPM Corporation
- Robert E. Nunn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL