Patents by Inventor Ayyalasomayajula Varaha SUBRAHMANYAM

Ayyalasomayajula Varaha SUBRAHMANYAM 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).

  • Patent number: 10202739
    Abstract: A system and method of off shore mining for retrieval and extraction of heavy mineral concentrate from placer deposits or other suitable materials. The system comprises a dredge vessel and a barge, coupled in conjunction to the dredge vessel. The dredge vessel having thereon a dredging unit, at least one gravity separator and spiral separators for procurement of total heavy minerals from dredged sediment and debris. The barge is configured to acquire and process the total heavy minerals, wherein the barge has thereon at least one magnetic separator, electro-magnetic separators, and density separators for separation of desired minerals based on their physical properties. The system further comprises at least one discharge conduit for tailing of wastes, leftover after extraction and separation of desired minerals, back into water bodies.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: February 12, 2019
    Assignee: DORIS MINERAL RESOURCES PRIVATE LIMITED
    Inventor: Ayyalasomayajula Varaha Subrahmanyam
  • Publication number: 20180291588
    Abstract: A system and method of off shore mining for retrieval and extraction of heavy mineral concentrate from placer deposits or other suitable materials. The system comprises a dredge vessel and a barge, coupled in conjunction to the dredge vessel. The dredge vessel having thereon a dredging unit, at least one gravity separator and spiral separators for procurement of total heavy minerals from dredged sediment and debris. The barge is configured to acquire and process the total heavy minerals, wherein the barge has thereon at least one magnetic separator, electro-magnetic separators, and density separators for separation of desired minerals based on their physical properties. The system further comprises at least one discharge conduit for tailing of wastes, leftover after extraction and separation of desired minerals, back into water bodies.
    Type: Application
    Filed: June 11, 2018
    Publication date: October 11, 2018
    Inventor: Ayyalasomayajula Varaha SUBRAHMANYAM