Robert J. Douglas

Person

N. Granby, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Plunger operating mechanism for a glass forming machine
- Patent number 4,889,549
- Issue date Dec 26, 1989
- Emhart Industries, Inc.
- Albert J. Trahan
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Neck ring/plunger assembly for a glassware forming machine
- Patent number 4,888,040
- Issue date Dec 19, 1989
- Emhart Industries, Inc.
- Robert J. Douglas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Manufacture of glassware articles of improved strength
- Patent number 4,842,630
- Issue date Jun 27, 1989
- International Partners in Glass Research
- David Braithwaite
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Plunger assembly for a glassware forming machine
- Patent number 4,836,839
- Issue date Jun 6, 1989
- Emhart Industries, Inc.
- Albert J. Trahan
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Universal servo-driven gob distributor
- Patent number 4,687,502
- Issue date Aug 18, 1987
- Emhart Industries, Inc.
- Robert J. Douglas
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Universal servo-driven gob distributor
- Patent number 4,599,101
- Issue date Jul 8, 1986
- Emhart Industries, Inc.
- Robert J. Douglas
- 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
Electro-pneumatic actuator for glassware forming machine
- Patent number 4,557,746
- Issue date Dec 10, 1985
- Emhart Industries, Inc.
- David Braithwaite
- 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
Information Patent Grant
Takeout tong head
- Patent number 4,506,923
- Issue date Mar 26, 1985
- Emhart Industries, Inc.
- Richard A. Walker
- C03 - GLASS MINERAL OR SLAG WOOL

Robert J. Douglas

Person

Patents Grantslast 30 patents

Plunger operating mechanism for a glass forming machine

Neck ring/plunger assembly for a glassware forming machine

Manufacture of glassware articles of improved strength

Plunger assembly for a glassware forming machine

Universal servo-driven gob distributor

Universal servo-driven gob distributor

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

Electro-pneumatic actuator for glassware forming machine

Electronic glass feeder plunger operating mechanism

Takeout tong head