Patents by Inventor Sachin Chandulal Dhakka

Sachin Chandulal Dhakka 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).

  • Publication number: 20150335109
    Abstract: An improved jewelry chain comprising a plurality of links, each link comprising a head, a neck and a tail, each of the head and the tail having a socket through which successive links are attached. Links in the chain are interconnected by passing a successive link through both the head and the tail of a preceding link, thus combining one link to another by hooking a preceding single link to a successive single link at two distinct contact points to produce the jewelry chain. Upon creation of the jewelry chain, the exposed top surface of each head is modularly fitted to receive stamped, casted and/or machined plates, collets, mountings and/or sockets in which precious stones may be received and set on the surface of the bracelet.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 26, 2015
    Applicant: RST GEMS LLP
    Inventors: SACHIN CHANDULAL DHAKKA, NILESH DEVENDRAKUMAR TENDULKAR
  • Patent number: 8584329
    Abstract: The present invention relates to a method of setting stones, preferably precious stones like diamonds, in a mounting comprising (a) setting a base metal having a floor with a central cavity; (b) placing a center stone as a first layer of stone, the center stone having a pavilion, a girdle and a crown, such that the pavilion is placed inside the above stated cavity, the girdle inserted in incisions in the peripheral walls of the base metal from the side; (c) placing each of the respective layers of stones adjacent and marginally above each other, each stone having a pavilion, girdle and crown such that the pavilion of each of the respective stones is placed in its respective cavity, the girdle of each stone being inserted in the incisions in the peripheral walls; such that the peripheral walls of each of the layer forms the base of the cavity of the next layer; stones in each of the layers are held only from one side by said peripheral wall; the stones of following layer marginally overlap the crown of the sto
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: November 19, 2013
    Inventor: Sachin Chandulal Dhakka