Patents by Inventor Dinesh Kumar Aswal

Dinesh Kumar Aswal 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).

  • Particulate matter sampler
    Patent number: 10782212
    Abstract: A sampler apparatus is disclosed. The sampler apparatus comprises an impactor assembly comprising a nozzle plate, an impaction plate, and a filter unit. The nozzle plate comprises a plurality of nozzles for channelling an air stream through the sampler apparatus. The impaction plate is adapted to collect particulate matter having size equal to or greater than a threshold size. The filter unit is adapted to collect particulate matter having size less than or equal to the threshold size. The sampler apparatus further comprises a control assembly coupled with the impactor assembly. The control assembly comprises one or more flow control devices to maintain a predetermined air-flow rate of the air stream within the sampler apparatus.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: September 22, 2020
    Assignee: Council of Scientific & Industrial Research
    Inventors: Shankar G. Aggarwal, Prashant Patel, Chuen Jinn Tsai, Daya Soni, Khem Singh, Ravinder Kumar Kotnala, Tomoaki Okuda, Prabhat Kumar Gupta, Vijay Narain Ojha, Dinesh Kumar Aswal
  • PARTICULATE MATTER SAMPLER
    Publication number: 20180299356
    Abstract: A sampler apparatus is disclosed. The sampler apparatus comprises an impactor assembly comprising a nozzle plate, an impaction plate, and a filter unit. The nozzle plate comprises a plurality of nozzles for channelling an air stream through the sampler apparatus. The impaction plate is adapted to collect particulate matter having size equal to or greater than a threshold size. The filter unit is adapted to collect particulate matter having size less than or equal to the threshold size. The sampler apparatus further comprises a control assembly coupled with the impactor assembly. The control assembly comprises one or more flow control devices to maintain a predetermined air-flow rate of the air stream within the sampler apparatus.
    Type: Application
    Filed: April 16, 2018
    Publication date: October 18, 2018
    Inventors: Shankar G. Aggarwal, Prashant Patel, Chuen Jinn Tsai, Daya Soni, Khem Singh, Ravinder Kumar Kotnala, Tomoaki Okuda, Prabhat Kumar Gupta, Vijay Narain Ojha, Dinesh Kumar Aswal