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WALKER DAWSON INTERESTS INC

Overview
  • Total Patents
    43
  • GoodIP Patent Rank
    233,318
About

WALKER DAWSON INTERESTS INC has a total of 43 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and civil engineering are AKROS TRADING CO LTD, BEIJING SHUICHUANG XINNENG TECH CO LTD and POPOV SERGUEI A.

Patent filings per year

Chart showing WALKER DAWSON INTERESTS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dawson Richard F 40
#2 Hutchinson Robert J 30
#3 Walker Charles G 5
#4 Dawson Richard Ryan 1
#5 Harper Robert D 1
#6 Dawson Richard R 1
#7 Walker William J 1

Latest patents

Publication Filing date Title
US2019144216A1 Systems and Methods for Conveying a Non-Dry Frac Proppant
US9375761B1 Methods for modifying non-standard frac sand to sand with fracking properties
US2008044294A1 In-line jet pumps and methods of use
US2006218882A1 Vacuum system manifold and related methods
ZA200500491B Recirculating jey pump and method of moving material
EP1701899A1 Vacuum container system and related method
AU2003259150A1 Recirculating jet pump and method of moving material
US6911145B2 Apparatus and methods for separating slurried material
US6860042B2 Excavation system employing a jet pump
AU3093101A Jet pump
US6322327B1 Jet pump for transfer of material