Patents by Inventor Arthur Darvishian

Arthur Darvishian 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).

  • Security mailbox
    Patent number: 4154393
    Abstract: A mailbox for the reception and protection of mail comprises a mail receptacle or container with a door, an alarm system control switch, responsive to the opening and closing of the mailbox door to activate an alarm when the door is open, illuminating means to light an area near the mailbox and intercommunication means for identification of and conversation with a caller or person using the mailbox. The mentioned security features of the mailbox are components of a pre-wired unit and installation is thereby greatly simplified and facilitated.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: May 15, 1979
    Inventor: Arthur Darvishian
  • Higher efficiency wind motor with receptors of diminished drag characteristics
    Patent number: 4015911
    Abstract: A wind motor for the conversion of wind power to mechanical or electrical power or other form thereof includes a plurality of wind receptors which have openings therein for the passage of air therethrough during operation of the wind motor, especially when the receptors are moving against the wind, so as to diminish air resistance (drag) opposing such movement, thereby increasing the efficiency of the wind motor.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: April 5, 1977
    Inventor: Arthur Darvishian
  • Security mailbox
    Patent number: 3935994
    Abstract: A mailbox for the reception and protection of mail comprises a mail receptacle or container with a door, an alarm system control switch, responsive to the opening and closing of the mailbox door to activate an alarm when the door is open, illuminating means to light an area near the mailbox and intercommunication means for identification of and conversation with a caller or person using the mailbox. The mentioned security features of the mailbox are components of a pre-wired unit and installation is thereby greatly simplified and facilitated.
    Type: Grant
    Filed: September 25, 1973
    Date of Patent: February 3, 1976
    Inventor: Arthur Darvishian