Title:
UNDERWATER MINING ASSEMBLY
United States Patent 3543422


Inventors:
Plutchak, Noel B.
Application Number:
US3543422DA
Publication Date:
12/01/1970
Filing Date:
06/28/1968
Assignee:
BENDIX CORP
Primary Class:
Other Classes:
37/323, 37/335
International Classes:
E02F3/90; E02F3/92; (IPC1-7): E02F3/94; E02F3/92
View Patent Images:
US Patent References:
3224121Apparatus for optimizing dredge production1965-12-21
3153290Apparatus for subaqueous excavations1964-10-20
2906040Air lift dredge1959-09-29
2136596Well drilling machine1938-11-15
2125740Hydraulic excavating device or booster1938-08-02
1758047Mining or dredging plant1930-05-13
1327651Hydraulic dredging apparatus1920-01-13
0952928N/A1910-03-22
0697704N/A1902-04-15
0619727N/A1899-02-21
0494728N/A1893-04-04