Patents Assigned to Exhart Environmental Systems, Inc.
  • Patent number: 8491149
    Abstract: A decorative light in the form of a candelabrum, chandelier, or sphere, the candelabrum and chandelier having a plurality of artificial flower blossoms, each with an LED. A control circuit is electronically connected to each LED and has electronic circuitry to cause each LED to illuminate at a preselected time each day, remain illuminated for a predetermined interval, and then extinguish.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: July 23, 2013
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Margaret Weiser
  • Patent number: 8201972
    Abstract: A decorative tree has a trunk, a plurality of double limbs and individual limbs connected to the trunk, and controlling electronics. Each double limb includes two individual limbs joined at a branch joint. Each individual limb has a plurality of flexible lamp stems and a molded branch formed around a structural rod. The lamp stem has two insulated wires, has a stiffening rod wrapped in a smooth sheath, and terminates in a molded lamp holder that supports an LED. Each lateral lamp stem connects to the molded branch at a molded branch fork and the tip lamp stem connects to an end of the stiffening rod. The controlling electronics provide an operating signal to the LED, which preferably causes the LED to sequentially emit more than one color in a repeated sequence.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: June 19, 2012
    Assignee: Exhart Environmental Systems, Inc.
    Inventors: Isaac Weiser, Margaret Weiser
  • Patent number: D640808
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: June 28, 2011
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Margaret Weiser
  • Patent number: D640809
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: June 28, 2011
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Margaret Weiser
  • Patent number: D640810
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: June 28, 2011
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Margaret Weiser
  • Patent number: D641896
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: July 19, 2011
    Assignee: Exhart Environmental Systems Inc.
    Inventor: Margaret Weiser
  • Patent number: D641897
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: July 19, 2011
    Assignee: Exhart Environmental Systems, Inc.
    Inventor: Margaret Weiser
  • Patent number: D774233
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: December 13, 2016
    Assignee: Exhart Environmental Systems, Inc.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D778772
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: February 14, 2017
    Assignee: Exhart Environmental Systems, INC.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D778773
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 14, 2017
    Assignee: Exhart Environmental Systems, INC.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D778774
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 14, 2017
    Assignee: Exhart Environmental Systems, Inc.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D778775
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 14, 2017
    Assignee: Exhart Environmental Systems, Inc.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D778776
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 14, 2017
    Assignee: Exhart Environmental Systems, INC.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D783876
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: April 11, 2017
    Assignee: EXHART ENVIRONMENTAL SYSTEMS, INC.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D786734
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 16, 2017
    Assignee: Exhart Environmental Systems, Inc.
    Inventors: Michael Weiser, Margaret Weiser
  • Patent number: D881748
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: April 21, 2020
    Assignee: Exhart Environmental Systems, INC.
    Inventor: Margaret Weiser
  • Patent number: D915543
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: April 6, 2021
    Assignee: EXHART ENVIRONMENTAL SYSTEMS, INC.
    Inventor: Michael Weiser
  • Patent number: D931136
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: September 21, 2021
    Assignee: EXHART ENVIRONMENTAL SYSTEMS, INC.
    Inventor: Margaret Weiser
  • Patent number: D947067
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: March 29, 2022
    Assignee: EXHART ENVIRONMENTAL SYSTEMS, INC.
    Inventor: Margaret Weiser
  • Patent number: D947069
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: March 29, 2022
    Assignee: EXHART ENVIRONMENTAL SYSTEMS, INC.
    Inventor: Margaret Weiser