Title:
Tank cleaning device and method
United States Patent 3052574


Inventors:
Kennedy Jr., Merritt T.
Application Number:
US73521058A
Publication Date:
09/04/1962
Filing Date:
05/14/1958
Assignee:
PYRATE SALES INC
Primary Class:
Other Classes:
134/112, 134/167R, 134/179, 239/252
International Classes:
B05B3/06; B08B9/093; F28G3/16; F28G9/00; B05B3/00
View Patent Images:
US Patent References:
2805889Couple force nozzle1957-09-10
2731296Sprinklers1956-01-17
2661241Device for washing oil tanks with water and the like devices1953-12-01
2045752Method for freeing a container of asphaltic and oily materials1936-06-30
2030194Tank washing and watering device1936-02-11
1876607N/A1932-09-13
1831029Tank car washer1931-11-10
1806740N/A1931-05-26
1806100Intermittent motion sprinkler1931-05-19
1733249N/A1929-10-29
1642910Sprinkler with resistance motor1927-09-20
Foreign References:
FR500395A1920-03-10