Patents by Inventor Edward A. Pirsh

Edward A. Pirsh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Filter house having catalytic filter bags for simultaneously removing NO.sub.x and particulate matter from a gas stream
    Patent number: 4309386
    Abstract: A filter house (12) employing a selective catalytic reduction process for removing NO.sub.x emissions from a flue gas stream while simultaneously filtering out and collecting entrained particulate matter from the stream. Accordingly, the filter house (12) includes flue gas inlet and outlet passages (18, 30) and a plurality of porous filter bags. The bags are treated with a suitable catalyst to facilitate the selective catalytic reduction process.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: January 5, 1982
    Assignee: The Babcock & Wilcox Company
    Inventor: Edward A. Pirsh
  • Gas-liquid contact system
    Patent number: 4263021
    Abstract: A gas-liquid contact system for absorption of gaseous contaminants in an absorptive liquid where contact is attained by controlled flow relation between the gas and liquid forming a fluidized liquid mass for intimate contact between gas and liquid.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: April 21, 1981
    Assignee: The Babcock & Wilcox Company
    Inventors: William Downs, Edward A. Pirsh, Jack F. Stewart, Stephen S. Strom
  • Filter house and method for simultaneously removing NO.sub.x and particulate matter from a gas stream
    Patent number: 4220633
    Abstract: A filter house (12) employing a selective catalytic reduction process for removing NO.sub.x emissions from a flue gas stream while simultaneously filtering out and collecting entrained particulate matter from the stream. Accordingly, the filter house (12) includes flue gas inlet and outlet passages (18, 30) and a plurality of porous filter bags. The bags are treated with a suitable catalyst to facilitate the selective catalytic reduction process.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: September 2, 1980
    Assignee: The Babcock & Wilcox Company
    Inventor: Edward A. Pirsh
  • Pulverized coal combustor
    Patent number: 4144017
    Abstract: An apparatus and method whereby fuel is burned in serially connected furnaces under controlled combustion temperature and airflow conditions so as to inhibit the formation of nitric oxides while achieving complete combustion of the fuel.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: March 13, 1979
    Assignee: The Babcock & Wilcox Company
    Inventors: Joseph A. Barsin, David M. Marshall, Edward A. Pirsh