Learn more

BEARD HAROLD J

Overview
  • Total Patents
    36
About

BEARD HAROLD J has a total of 36 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, EPO (European Patent Office) and Australia. Its main competitors in its focus markets environmental technology, chemical engineering and machines are WASTEWATER TECHNOLOGY INC, LASATER HENRY C and ORENCO SYSTEMS INC.

Patent filings per year

Chart showing BEARD HAROLD Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Beard Harold J 20
#2 Beard Harold James 11
#3 Cox Raleigh L 5
#4 Beard Gary J 4
#5 Gary J Beard 1
#6 Beard Mark B 1
#7 James Beard Harold 1
#8 Harold J Beard 1

Latest patents

Publication Filing date Title
EP0793623A1 Multi-channel denitrification system
CA2171941A1 Mixed liquor wasting system and method
NZ256941A Extended aeration wastewater treatment with retention basin having two mixed liquor outlets
EP0719239A1 Mixed liquor wasting system and method
AU4633593A Oxidation ditch wastewater treatment and denitrification system
US5275722A Oxidation ditch wastewater treatment and denitrification system
US5360538A Mixed liquor wasting system
US5084167A Oxidation ditch for treatment of waste water
KE3827A Waste water clarifier
AR242116A1 A clarifier for extracting solids from the waters in a flow channel containing such water.
US4839050A Skimmer system
EP0248959A1 Turbulence control system of an intra-channel clarifier
EP0211475A2 Skimmer system
US4626353A Side skimmer for use in a channel
US4634528A Filter for intra-channel clarification
EP0125364A2 Waste water clarifier
US4436632A Clarifier skimmer
US4457844A Continuous waste water clarification process
EP0111035A1 Clarifier for removing solids from waste water
US4383922A Waste water clarifier