David Jack Thomas

Person

  • Springfield, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Chemical solution feeder and method

    • Patent number 10,220,356
    • Issue date Mar 5, 2019
    • ALLCHEM PERFORMANCE PRODUCTS, LP
    • Kenneth Mark Sims
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Chemical solution feeder and method

    • Patent number 9,056,286
    • Issue date Jun 16, 2015
    • ALLCHEM PERFORMANCE PRODUCTS, INC.
    • Kenneth Mark Sims
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Chemical Solution Feeder and Method

    • Publication number 20100086445
    • Publication date Apr 8, 2010
    • Kenneth Mark Sims
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Chemical Solution Feeder and Method

    • Publication number 20100012560
    • Publication date Jan 21, 2010
    • Allchem Industries Incorporated
    • Kenneth Mark Sims
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL