Assignee
WORTHINGTON PUMP
10 patents
Top patents by PatentIndex Score
US4244675AJan 13, 1981
Multi-stage barrel type centrifugal pump with resilient compensator means for maintaining the seals between interstage pumping assemblies
WORTHINGTON PUMP30 citations89
US4098558AJul 4, 1978
Preassembled unit or cartridge for multi-stage barrel type centrifugal pumps
WORTHINGTON PUMP34 citations83
US4116583ASep 26, 1978
Multi-purpose end casings for ring type multi-stage centrifugal pumps
WORTHINGTON PUMP26 citations79
US4239463ADec 16, 1980
Reciprocating plunger pump with improved liquid end valve assembly
WORTHINGTON PUMP29 citations78
US4097186AJun 27, 1978
Multi-stage ring type centrifugal pumps with inducer means
WORTHINGTON PUMP18 citations71
US4037985AJul 26, 1977
Flushing liquid system for the wearing ring in centrifugal pumps and the wearing ring assembly and wearing ring for use therein
WORTHINGTON PUMP21 citations71
US4113089ASep 12, 1978
Support fixtures for preassembled unit or cartridge for multi-stage barrel type centrifugal pumps
WORTHINGTON PUMP16 citations63
US4215976AAug 5, 1980
Turbine-impeller pump for use in geothermal energy recovery systems
WORTHINGTON PUMP16 citations59
US4111597ASep 5, 1978
Centrifugal pump with centripetal inducer
WORTHINGTON PUMP12 citations59
US4079008AMar 14, 1978
Mixing apparatus for biochemical treatment of fluids with oxygen
WORTHINGTON PUMP11 citations58