Patents by Inventor Asher Roth

Asher Roth 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).

  • Portable flue heater to reduce or eliminate downdrafts
    Patent number: 6141495
    Abstract: A flue heater is detachably secured to the flue of a chimney. The flue heater uses an electrical power source to create heat and direct the heated air into the lower portion of a flue. The device can be attached to the flue before igniting a fire and removed immediately prior to lighting a fire. The device can be used with any pre-existing chimney without the need for any large expense in retrofitting a permanent flue heater.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: October 31, 2000
    Inventor: Asher Roth