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MARCH MFG CO

Overview
  • Total Patents
    21
About

MARCH MFG CO has a total of 21 patent applications. Its first patent ever was published in 1956. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, electrical machinery and energy and machines are ACE TURBO CO LTD, HEFEI XINHU CANNED MOTOR PUMP CO LTD and ASSOMA INC.

Patent filings in countries

World map showing MARCH MFG COs patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 2
#3 United Kingdom 1

Patent filings per year

Chart showing MARCH MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zimmermann Frederick N 16
#2 Zimmermann Willy E 6
#3 Konopka Bernard E 1
#4 Lalley Donald P 1
#5 Zimmermann F 1
#6 Zimmermann Frederick Norman 1

Latest patents

Publication Filing date Title
US4080112A Magnetically-coupled pump
GB1386085A Metering pump
US3700372A Pump impeller molding apparatus
US3938914A Pump impeller and coupling magnet structures
US3545892A Magnetically-coupled pump
US3932068A Magnetically-coupled pump
CA969425A Magnetically-coupled pump
US3465681A Magnetically-coupled pump with detachable motor
US3802804A Magnetically coupled pump structure
US3205827A Magnetically driven centrifugal pump assembly
US3117526A Portable electric immersion liquid pump
US3074349A Portable electric immersion liquid pump
US3085513A Portable immersion electric liquid pump
US3009606A Liquid whipping and dispensing device
US2973904A Electrically operated display fountain
US2981196A Condensate pump and control means
US2919726A Liquid whipping and dispensing machine
US2925783A Centrifugal pump assembly
US2829598A Condensate pump and control means
US2971467A Condensate pump