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ENVIROTECH PUMPSYSTEMS INC

Overview
  • Total Patents
    144
  • GoodIP Patent Rank
    89,590
  • Filing trend
    ⇧ 200.0%
About

ENVIROTECH PUMPSYSTEMS INC has a total of 144 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 1993. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets engines, pumps and turbines, machines and measurement are FLEXXAIRE MFG, SPEEDWELL RES LTD and JIANGSU DOUBLE WHEEL PUMP MACHINERY CO LTD.

Patent filings per year

Chart showing ENVIROTECH PUMPSYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shaw James G 43
#2 Northrup James 24
#3 Arnold Kim M 15
#4 Paulin Greg 13
#5 Quinn Joel 12
#6 Harmon James C 12
#7 Neilson Bryce 12
#8 Sessum Kenneth 11
#9 Doering Brandon R 11
#10 Osborn Steven D 10

Latest patents

Publication Filing date Title
CA3013621A1 Prerotation basin for pumping fluids from a wet well
US2019048570A1 Prerotation basin for pumping fluids from a wet well
CN108138782A Pitot tube stabilising arrangement
US2016017887A1 Pressure reducing rotor assembly for a pump
US2014271127A1 Gear-driven flow-through pitot tube pump
BRPI0816199A2 Wear plate for a centrifugal pump
CN101675286A Two-piece bearing housing for a centrifugal pump
ZA200801324B Check valve for a self-priming pump
EP1922503A2 Check valve for a self-priming pump
CN101495757A Fill port for a self-priming centrifugal pump, with safety device
US2007071619A1 Fill port for a self-priming centrifugal pump, with safety device
US2007036665A1 Check valve for a self-priming pump
CN101258331A Eccentric pump with clean-out assembly
US2007036643A1 Tool-free adjustable clean out assembly for a pump
CN101273204A Low-profile impeller bolt
US2007036660A1 Low-profile impeller bolt
BRPI0607411A2 replaceable wear ring for a pilot tube centrifugal pump, pilot tube type centrifugal pump and method for repairing the damaged rotary assembly of a centrifugal pump
US2006266856A1 Cutting ring element for a centrifugal chopper pump
US2005110193A1 Composition for making polymeric linings
US7168915B2 Apparatus for axial adjustment of chopper pump clearances