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NIELSEN AXEL L

Overview
  • Total Patents
    33
About

NIELSEN AXEL L has a total of 33 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and control are BURKS ARTHUR W, GORMAN RUPP CO and LITTLE GIANT PUMP COMPANY.

Patent filings in countries

World map showing NIELSEN AXEL Ls patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 14

Patent filings per year

Chart showing NIELSEN AXEL Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nielsen Axel L 31
#2 Nielsen Axel L E Elza Hazel Pa 2

Latest patents

Publication Filing date Title
US4632643A Sump pump
US4278402A Adjustable liquid level control for pumps
US4165204A Sump pump
US3296971A Mounting means for sub-floor pump
US3292246A Method of connecting tub and pump units
US3246606A Pressure responsive pump
US3134333A Submersible motor sump pump
US3093154A Flooding control pump system
US3093156A Removable flooding control plug
US3093083A Switch and pump control unit for sump, riser and the like
US3043225A Adjustable liquid level control for pumps
US3067302A Hydro-statically and dynamically responsive control for sump pumps and the like
US3002064A Sump pump and flood control equipment
US2922854A Sump pump control
US2834845A Sump pump control
US2884862A Outboard motor pump attachment
US2730591A Sump pump control
US2844678A Sump pump system
US2792786A Pump and propulsion unit
CA579729A Outboard motor pump attachment