Title:
Removable check unit
United States Patent 3084709
US Patent References:
/0109813.html
- - 0109813

/0689890.html
- - 0689890

/1014178.html
- - 1014178

Deep-well pumping mechanism
- - 1624577

Shock absorber
- - 2035954


Inventors:
Flick, Francis S.
Kudlaty, Walter J.
Publication Date:
04/09/1963
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Assignee:
FLICK REEDY CORP
Primary Class:
137/454.500
Other Classes:
137/515.300, 137/543.190, 137/269.500, 188/313, 137/513.300
International Classes:
F15B11/04; F16K15/02; F15B11/00
US Patent References:
2506306Valve
2521202Shock-absorbing or fluid-pressure relieving apparatus