Gear pump
United States Patent 2623469
US Patent References:
/0665390.html
- - 0665390

/1121588.html
- - 1121588

/1271968.html
- - 1271968

/1306169.html
- - 1306169

Oil pump
- - 1470804


Inventors:
Gray, Russell J.
Publication Date:
12/30/1952
View Patent Images:
Assignee:
GRAY COMPANY INC
Primary Class:
Other Classes:
417/410.400, 222/385, 418/201.200, 418/179, 418/39, 417/410.100, 222/63
International Classes:
F04C2/16; F04C2/00
US Patent References:
1846500Flavoring sirup pump
1919173Dispensing pump
1930293Pump
1942064Rotary pump
2132035Fire extinguisher
2190246Combination motor and pump unit
2212417Combined motor and pump
2277270Gear pump
2456651Tank unit with submerged valve and external pump