Robert L. Doughty

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West Hartford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Shear mechanism safety
- Patent number 5,236,489
- Issue date Aug 17, 1993
- Emhart Glass Machinery Investments Inc.
- John N. Brancati
- C03 - GLASS MINERAL OR SLAG WOOL
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
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
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
Turntable for record disc
- Patent number 4,065,135
- Issue date Dec 27, 1977
- Robert L. Doughty
- G11 - INFORMATION STORAGE