Patents by Inventor Ukwatte Lokuliyanage Indika Upendra Perera

Ukwatte Lokuliyanage Indika Upendra Perera 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).

  • Heat sink for luminaire and luminaire arrangements having a heat sink
    Patent number: 11725810
    Abstract: A heat sink for a luminaire includes a central portion having a top surface and a bottom surface. The bottom surface is adapted to receive a lighting arrangement. The heat sink further includes a plurality of arms configured to dissipate heat generated by the lighting arrangement. The plurality of arms extend radially outward from the central portion. Each one of the plurality of arms is substantially arcuate between a proximal end and a distal end.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: August 15, 2023
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: John Trublowski, Lucas Stahl, Jeremy Santiago, Christopher Ring, Adikaramge Jayawardena, Ukwatte Lokuliyanage Indika Upendra Perera, Nadarajah Narendran, Nilay Mehta, Jean Paul Freyssinier
  • HEAT SINK FOR LUMINAIRE AND LUMINAIRE ARRANGEMENTS HAVING A HEAT SINK
    Publication number: 20220260243
    Abstract: A heat sink for a luminaire includes a central portion having a top surface and a bottom surface. The bottom surface is adapted to receive a lighting arrangement. The heat sink further includes a plurality of arms configured to dissipate heat generated by the lighting arrangement. The plurality of arms extend radially outward from the central portion. Each one of the plurality of arms is substantially arcuate between a proximal end and a distal end.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 18, 2022
    Inventors: John Trublowski, Lucas Stahl, Jeremy Santiago, Christopher Ring, Adikaramge Jayawardena, Ukwatte Lokuliyanage Indika Upendra Perera, Nadarajah Narendran, Nilay Mehta, Jean Paul Freyssinier
  • 3-D OPTICS WITH BEAM FORMING FEATURES
    Publication number: 20220034482
    Abstract: In an embodiment, there is provided a three-dimensional (3-D) optic for beam shaping. The 3-D optic includes a first surface, a second surface and a beam forming feature. The first surface is configured to receive incident light. The second surface is positioned relative to the first surface and is configured to emit a light beam having a shape. The emitted beam shape is related to the beam forming feature. The beam forming feature is formed by a 3-D manufacturing process.
    Type: Application
    Filed: December 13, 2019
    Publication date: February 3, 2022
    Applicant: RENSSELAER POLYTECHNIC INSTITUTE
    Inventors: Nadarajah Narendran, Ukwatte Lokuliyanage Indika Upendra Perera