having links with integrally formed picks

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Patents Grantslast 30 patents

Information Patent Grant
Cutter assembly with freewheeling cutting elements
- Patent number 10,352,163
- Issue date Jul 16, 2019
- LeRoy G. Hagenbuch
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Chain for trencher apparatus
- Patent number 6,014,826
- Issue date Jan 18, 2000
- Craig B. Walgren
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
2048702
- Patent number 2,048,702
- Issue date Jul 28, 1936
- E21 - EARTH DRILLING MINING
Information Patent Grant
1841268
- Patent number 1,841,268
- Issue date Jan 12, 1932
- E21 - EARTH DRILLING MINING