John F. Bryan Jr.

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Bucket chain excavator
- Patent number 5,228,220
- Issue date Jul 20, 1993
- John F. Bryan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Digging chain vibratory system
- Patent number 5,203,101
- Issue date Apr 20, 1993
- John F. Bryan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Stratum boundary sensor for continuous excavators
- Patent number 5,092,657
- Issue date Mar 3, 1992
- John F. Bryan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Grade control system for continuous bucket excavators
- Patent number 5,058,294
- Issue date Oct 22, 1991
- John F. Bryan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Bucket wheel with overhead discharge
- Patent number 4,955,151
- Issue date Sep 11, 1990
- Krupp Industrietechnik GmbH
- John F. Bryan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Actuation means for roller guide bushing for drill rig
- Patent number 4,054,332
- Issue date Oct 18, 1977
- Gardner-Denver Company
- John F. Bryan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tie replacing system
- Patent number 4,018,165
- Issue date Apr 19, 1977
- John F. Bryan
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES