Patents by Inventor Krishna Srinivasan

Krishna Srinivasan 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).

  • Publication number: 20030054714
    Abstract: A coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating is provided. The coated mat is a cured, non-woven mat including a mixture of fibers having different fiber lengths. The fibers contain a polysiloxane compound and are fixedly distributed in a binder.
    Type: Application
    Filed: October 29, 2002
    Publication date: March 20, 2003
    Applicant: BUILDING MATERIALS INVESTMENT CORPORATION
    Inventors: Qinyun Peng, Krishna Srinivasan, Bill Bittle, Betty C. Roberts, Mark McAteer
  • Patent number: 6286273
    Abstract: Tile vent for covering the opening of the ridge of an undulating roof. The tile vent includes two unitary panels facing each other in a mirror image fashion the top portion of which is affixed to a ridge board and the bottom portion of which is affixed to the undulating roof. The tile vent includes vent slots to allow exhaust of attic air, and reinforcing stiffeners to support ridge tiles placed over the opening in the ridge.
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: September 11, 2001
    Assignee: Building Materials Investment Corporation
    Inventors: Edward C. Villela, Krishna Srinivasan
  • Publication number: 20010009834
    Abstract: The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde type binder containing a binder modifier which is a crosslinked styrene/acrylic polymer, and to a process for the preparation of the mat.
    Type: Application
    Filed: January 12, 2001
    Publication date: July 26, 2001
    Applicant: BUILDING MATERIALS INVESTMENT CORPORATION
    Inventors: Qinyun Peng, Krishna Srinivasan
  • Patent number: 6015343
    Abstract: Tile roof vent for covering the opening of the ridge of an undulating tile roof. The vent includes two panels spaced from each other, each of which has a hard plastic sheet with a lower portion and an upper portion. To the underside of the lower portions are affixed an air-permeable mat and optionally a layer of foam rubber which conform to the undulating configuration of the tile roof. The lower portions of the hard plastic sheets are reinforced by stiffeners integral with the hard plastic sheet and also contain vent holes for exhausting air from the attic space.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: January 18, 2000
    Assignee: Building Materials Corporation of America
    Inventors: Richard Castillo, Ravinder Nair, Krishna Srinivasan, Edward C. Villela