Patents by Inventor Amalendu Sinha

Amalendu Sinha 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).

  • Device for roof support of underground mine/tunnel
    Patent number: 9267375
    Abstract: The present invention provides a device useful for supporting underground mine/tunnels. The device continuously monitors the roof load coming over the canopy and correspondingly yielding/convergence indicated by the pointer on graduate scale. The roof load coming on the canopy (9) is transmitted to the prop via a set of steel disc springs (5) to increase the yielding and longevity of the present device. The present invention has mechanism for preloading upto the desired load. It is a simple, easily transportable and user friendly device having quick release mechanism from a safe distance.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: February 23, 2016
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sudhir Kumar Kashyap, Amalendu Sinha
  • DEVICE FOR ROOF SUPPORT OF UNDERGROUND MINE/TUNNEL
    Publication number: 20130039704
    Abstract: The present invention provides a device useful for supporting underground mine/tunnels. The device continuously monitors the roof load coming over the canopy and correspondingly yielding/convergence indicated by the pointer on graduate scale. The roof load coming on the canopy (9) is transmitted to the prop via a set of steel disc springs (5) to increase the yielding and longevity of the present device. The present invention has mechanism for preloading upto the desired load. It is a simple, easily transportable and user friendly device having quick release mechanism from a safe distance.
    Type: Application
    Filed: January 31, 2011
    Publication date: February 14, 2013
    Inventors: Sudhir Kumar Kashyap, Amalendu Sinha