with conveying means for emptying the scraper bowl

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Patents Grantslast 30 patents

Information Patent Grant
Method of padding pipe
- Patent number 4,057,917
- Issue date Nov 15, 1977
- Norman B. Burrows
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Material handling apparatus
- Patent number 3,982,338
- Issue date Sep 28, 1976
- Trumbull Corporation
- Perry J. Dick
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Padding machines
- Patent number 3,981,089
- Issue date Sep 21, 1976
- Norman Bruce Burrows
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
3616553
- Patent number 3,616,553
- Issue date Nov 2, 1971
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
3507060
- Patent number 3,507,060
- Issue date Apr 21, 1970
- B60 - VEHICLES IN GENERAL
Information Patent Grant
3187915
- Patent number 3,187,915
- Issue date Jun 8, 1965
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING