Title:
CONTROL SYSTEM FOR CONCRETE PUMP
United States Patent 3494290
US Patent References:
/2387733.html
- - 2387733

Valve operating system
- - 2752862

Pump
- - 3279382

Hydraulic powered mobile concrete pump assembly
- - 3279383

Concrete pump
- - 3327641


Inventors:
Schaible, Aaron M.
Publication Date:
02/10/1970
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Assignee:
CASE CO J I
Primary Class:
417/342
Other Classes:
92/58.100, 91/330, 417/900, 417/505, 91/50
International Classes:
F01L23/00; F01L25/08; F04B7/02; F04B9/117; F04B15/02; F01L25/00; F04B7/00; F04B9/00; F04B15/00; F04B39/08; F01L15/02; F04B17/00
US Patent References:
3405552Air detector for webs




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