Patents by Inventor Ashok M. Shah

Ashok M. Shah 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).

  • Duct fastseam
    Patent number: 8459307
    Abstract: A seam for ductwork has a male end portion integrally formed at a distal end of a duct wall and a female end portion integrally formed at another distal end of the duct wall. The female end portion includes a first fold and a second fold, which define a female groove for accommodating the male portion. A distal end of the second fold is bent transverse to the female groove prior to the male portion being inserted into the female groove.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: June 11, 2013
    Assignee: Met-Coil System Corp.
    Inventors: John J. Toben, Ashok M. Shah, Richard F. Blum, Michael C. Borwig
  • DUCT FASTSEAM
    Publication number: 20100135720
    Abstract: A seam for ductwork has a male end portion integrally formed at a distal end of a duct wall and a female end portion integrally formed at another distal end of the duct wall. The female end portion includes a first fold and a second fold, which define a female groove for accommodating the male portion. A distal end of the second fold is bent transverse to the female groove prior to the male portion being inserted into the female groove.
    Type: Application
    Filed: February 2, 2010
    Publication date: June 3, 2010
    Applicant: MET-COIL SYSTEMS CORPORATION
    Inventors: JOHN J. TOBEN, ASHOK M. SHAH, RICHARD F. BLUM, MICHAEL C. BORWIG
  • Duct fastseam
    Patent number: 7681297
    Abstract: A seam for ductwork has a male end portion integrally formed at a distal end of a duct wall and a female end portion integrally formed at another distal end of the duct wall. The female end portion includes a first fold and a second fold which define a female groove for accommodating the male portion. A distal end of the second fold is bent transverse to the female groove prior to the male portion being inserted into the female groove.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: March 23, 2010
    Assignee: Met-Coil Systems Corporation
    Inventors: John J. Toben, Ashok M. Shah, Richard F. Blum, Michael C. Borwig
  • Duct fastseam
    Publication number: 20040111988
    Abstract: A seam for ductwork has a male end portion integrally formed at a distal end of a duct wall and a female end portion integrally formed at another distal end of the duct wall. The female end portion includes a first fold and a second fold which define a female groove for accommodating the male portion. A distal end of the second fold is bent transverse to the female groove prior to the male portion being inserted into the female groove.
    Type: Application
    Filed: September 23, 2003
    Publication date: June 17, 2004
    Applicant: MET-COIL SYSTEMS CORPORATION
    Inventors: John J. Toben, Ashok M. Shah, Richard F. Blum, Michael C. Borwig