Robert J. Duga

Person

Enfield, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Drive apparatus for straight line shear mechanism
- Patent number 4,781,746
- Issue date Nov 1, 1988
- Emhart Industries, Inc.
- Robert L. Doughty
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Gob distributor
- Patent number 4,723,981
- Issue date Feb 9, 1988
- Emhart Industries, Inc.
- Robert J. Duga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Gob distributor
- Patent number 4,723,982
- Issue date Feb 9, 1988
- Emhart Industries, Inc.
- Robert J. Duga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Gob distributor
- Patent number 4,722,748
- Issue date Feb 2, 1988
- Emhart Industries, Inc.
- Robert J. Duga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Internally cooled gob chute
- Patent number 4,718,933
- Issue date Jan 12, 1988
- Emhart Industries, Inc.
- John E. Suomala
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Positive drive override mechanism
- Patent number 4,667,533
- Issue date May 26, 1987
- Emhart Industries, Inc.
- Robert J. Duga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for aligning a plunger assembly in a glass feeder
- Patent number 4,579,572
- Issue date Apr 1, 1986
- Emhart Industries, Inc.
- Robert J. Duga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Electronic glass feeder plunger operating mechanism
- Patent number 4,551,163
- Issue date Nov 5, 1985
- Emhart Industries, Inc.
- Robert J. Duga
- G05 - CONTROLLING REGULATING

Robert J. Duga

Person

Patents Grantslast 30 patents

Drive apparatus for straight line shear mechanism

Gob distributor

Gob distributor

Gob distributor

Internally cooled gob chute

Positive drive override mechanism

Method and apparatus for aligning a plunger assembly in a glass feeder

Electronic glass feeder plunger operating mechanism