Norman D. Dyer

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Beaumont, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Earth boring cutting element retention system
- Patent number 4,047,583
- Issue date Sep 13, 1977
- Dresser Industries, Inc.
- Norman Dean Dyer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable bucket for an earth boring machine
- Patent number 4,043,600
- Issue date Aug 23, 1977
- Dresser Industries, Inc.
- Norman Dean Dyer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tunneling shield
- Patent number 3,979,921
- Issue date Sep 14, 1976
- Dresser Industries, Inc.
- Douglas F. Winberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel boring machine with dual support members
- Patent number 3,957,310
- Issue date May 18, 1976
- Douglas F. Winberg
- E21 - EARTH DRILLING MINING