John A. Meidl

Person

  • Schofield, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Wastewater treatment system

    • Patent number 7,678,268
    • Issue date Mar 16, 2010
    • Siemens Water Technologies Corp.
    • Duane R. Smith
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Treatment of highly colored wastewaters

    • Patent number 5,302,288
    • Issue date Apr 12, 1994
    • Zimpro Environmental, Inc.
    • John A. Meidl
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Multiple zone batch treatment process

    • Patent number 5,192,442
    • Issue date Mar 9, 1993
    • Zimpro Passavant Environmental Systems, Inc.
    • John Piccirillo
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for treatment of water containing volatile and toxic compounds

    • Patent number 4,857,198
    • Issue date Aug 15, 1989
    • Zimpro/Passavant Inc.
    • John A. Meidl
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Blowdown pot for a reactor

    • Patent number 4,620,563
    • Issue date Nov 4, 1986
    • Zimpro Inc.
    • John A. Meidl
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Purification of non-biodegradable industrial wastewaters

    • Patent number 3,977,966
    • Issue date Aug 31, 1976
    • Sterling Drug Inc.
    • Louis A. Pradt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter cleaning method

    • Patent number 3,932,278
    • Issue date Jan 13, 1976
    • Sterling Drug Inc.
    • John A. Meidl
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    WASTEWATER TREATMENT SYSTEM AND METHOD

    • Publication number 20070209999
    • Publication date Sep 13, 2007
    • SIEMENS WATER TECHNOLOGIES CORP.
    • Duane R. Smith
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE