Method of freezing an earth formation
United States Patent 3183675
US Patent References:
/0768774.html
- - 0768774
Piling
- - 1704577
Weed exterminator
- - 1982646
Method of and apparatus for cleaving or splitting rock or the like
- - 2145473
Process and apparatus for grouting porous formations
- - 2782605
/0768774.html
- - 0768774
Piling
- - 1704577
Weed exterminator
- - 1982646
Method of and apparatus for cleaving or splitting rock or the like
- - 2145473
Process and apparatus for grouting porous formations
- - 2782605
Inventors:
Schroeder, Carl E. (US)
Publication Date:
05/18/1965
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Export Citation:
Assignee:
CONCH INT METHANE LTD (GB)
Primary Class:
Other Classes:
62/260, 405/149, 165/45
International Classes:
E02D3/115; E02D19/14; E21D1/12; F17C3/00; E02D3/00; E02D19/00; E21D1/00
US Patent References: