Patents by Inventor Billy Kirsch

Billy Kirsch 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 FOR VEHICLE EXHAUST SYSTEM
    Publication number: 20110120101
    Abstract: A vehicle exhaust system includes a catalytic converter connected to an exhaust pipe. An exhaust filter is connected to the exhaust pipe downstream from the catalytic converter. The exhaust filter is a charcoal filter that filters particulates from the air flow in the exhaust pipe. The exhaust filter is threadingly engaged with the exhaust pipe and is disposable.
    Type: Application
    Filed: January 31, 2011
    Publication date: May 26, 2011
    Inventor: Billy Kirsch
  • Filter for vehicle exhaust system
    Patent number: 7877989
    Abstract: A vehicle exhaust system includes a catalytic converter connected to an exhaust pipe. An exhaust filter is connected to the exhaust pipe downstream from the catalytic converter. The exhaust filter is a charcoal filter that filters particulates from the air flow in the exhaust pipe. The exhaust filter is threadingly engaged with the exhaust pipe and is disposable.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: February 1, 2011
    Inventor: Billy Kirsch