Patents by Inventor David Langlands

David Langlands 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).

  • Pavement marker
    Patent number: 6955497
    Abstract: A surface-mounted pavement marker is provided for secure attachment to a pavement surface by adhesive. The bottom surface of the pavement marker is divided into sectors, and a parallel array of grooves is formed in each sector. The grooves in each array are angularly aligned to the grooves in adjacent arrays. Additionally, each groove extends continuously from its inner end to the outer periphery of the pavement marker.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: October 18, 2005
    Assignee: Avery Dennison Corporation
    Inventors: Paul Snagel, Swanand Sardesai, David Langlands, Jeffrey A. Tidaback
  • Pavement marker
    Patent number: 6851888
    Abstract: A pavement marker has a base having at least one opening formed therein. A groove is formed in the base substantially adjacent the opening. The pavement marker further includes a cover for covering the opening in the base. The cover is formed with at least one energy directing rib configured for nesting with the groove in the base. The cover is ultrasonically welded to the base so that the energy directing rib melts and integrally fuses to portions of the base adjacent the groove.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: February 8, 2005
    Assignee: Avery Dennison Corporation
    Inventors: Paul Snagel, David Langlands, Swanand Sardesai
  • PAVEMENT MARKER
    Publication number: 20040247387
    Abstract: A pavement marker has a base having at least one opening formed therein. A groove is formed in the base substantially adjacent the opening. The pavement marker further includes a cover for covering the opening in the base. The cover is formed with at least one energy directing rib configured for nesting with the groove in the base. The cover is ultrasonically welded to the base so that the energy directing rib melts and integrally fuses to portions of the base adjacent the groove.
    Type: Application
    Filed: June 9, 2003
    Publication date: December 9, 2004
    Applicant: Avery Dennison
    Inventors: Paul Snagel, David Langlands, Swanand Sardesai
  • Pavement marker
    Publication number: 20040234335
    Abstract: A surface-mounted pavement marker is provided for secure attachment to a pavement surface by adhesive. The bottom surface of the pavement marker is divided into sectors, and a parallel array of grooves is formed in each sector. The grooves in each array are angularly aligned to the grooves in adjacent arrays. Additionally, each groove extends continuously from its inner end to the outer periphery of the pavement marker.
    Type: Application
    Filed: May 21, 2003
    Publication date: November 25, 2004
    Applicant: Avery Dennison
    Inventors: Paul Snagel, Swanand Sardesai, David Langlands, Jeffrey A. Tidaback