Kenneth E. Hofer Jr.

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Chicago Ridge, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Robust electrical heating systems for mineral wells
- Patent number 5,070,533
- Issue date Dec 3, 1991
- Uentech Corporation
- Jack E. Bridges
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground pipeline and cable detector and process
- Patent number 4,600,356
- Issue date Jul 15, 1986
- Gas Research Institute
- Jack E. Bridges
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING