Patents by Inventor Khosro B. Hajari

Khosro B. Hajari 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).

  • Mechanical arrow nocks
    Patent number: 8267816
    Abstract: An arrow nock having a telescoping impeller and housing with resilient means for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.
    Type: Grant
    Filed: March 6, 2011
    Date of Patent: September 18, 2012
    Inventor: Khosro B. Hajari
  • Arrow nocks
    Patent number: 7922609
    Abstract: An arrow nock having a telescoping impeller and housing with a resilient spring for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: April 12, 2011
    Inventor: Khosro B. Hajari
  • Mechanical arrow nocks
    Patent number: RE46213
    Abstract: An arrow nock having a telescoping impeller and housing with resilient means for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: November 22, 2016
    Inventor: Khosro B. Hajari