Patents by Inventor Anil Kumar Choudhary

Anil Kumar Choudhary 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: 11859877
    Abstract: The present invention provides a hybrid adsorption heat exchanging device comprising: at least one tubular or micro channel structure for carrying a heat transfer fluid; the external surface of said structure being provided with extensions in at least two locations; said extensions forming a bed therebetween for providing one or more adsorbent materials; a coating of adsorbent material being provided on at least a part of said extensions.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 2, 2024
    Assignee: BRY-AIR [ASIA] PVT. LTD.
    Inventors: Deepak Pahwa, Bidyut Baran Saha, Anil Kumar Choudhary, Rajan Sachdev, Kuldeep Singh Malik, Kyaw Thu
  • Patent number: 11612857
    Abstract: Macroporous desiccant based honeycomb matrix containing the macroporous desiccant synthesized “in-situ”, the desiccant having a differential water adsorption. Process for the “in-situ” preparation of the macroporous desiccant based honeycomb matrix including the steps of soaking honeycomb substrate impregnated with water glass, in aqueous metal salt(s) solution or acid solution, or combination thereof, until such time that the hydrogel honeycomb matrix is obtained and thermally activating the hydrogel honeycomb matrix to produce macroporous desiccant based honeycomb matrix.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: March 28, 2023
    Assignee: Desiccant Rotors International Pvt. Ltd.
    Inventors: Deepak Pahwa, Anil Kumar Choudhary
  • Publication number: 20210016245
    Abstract: The present invention relates to method for the synthesis in-situ of the class of compounds known generally as MOFs (metal organic frameworks or organometallic compounds), COFs (covalent organic frameworks), and ZIFs (Zeolitic imidazolate framework), within and onto different types of substrates, and to the applications of such substrates having in-situ synthesized MOFs, COFs and ZIFs.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 21, 2021
    Inventors: Deepak Pahwa, Varun Pahwa, Anil Kumar Choudhary, Sonia ., Vivek Kumar Jha, Anjali Chauhan, Annu Yadav
  • Publication number: 20160334145
    Abstract: The present invention provides a hybrid adsorption heat exchanging device comprising: at least one tubular or micro channel structure for carrying a heat transfer fluid; the external surface of said structure being provided with extensions in at least two locations; said extensions forming a bed therebetween for providing one or more adsorbent materials; a coating of adsorbent material being provided on at least a part of said extensions.
    Type: Application
    Filed: January 9, 2015
    Publication date: November 17, 2016
    Inventors: Deepak PAHWA, Bidyut Baran SAHA, Anil Kumar CHOUDHARY, Rajan SACHDEV, Kuldeep Singh MALIK, Kyaw THU
  • Publication number: 20160199778
    Abstract: Macroporous desiccant based honeycomb matrix containing the macroporous desiccant synthesized “in-situ”, the desiccant having a differential water adsorption. Process for the “in-situ” preparation of the macroporous desiccant based honeycomb matrix including the steps of soaking honeycomb substrate impregnated with water glass, in aqueous metal salt(s) solution or acid solution, or combination thereof, until such time that the hydrogel honeycomb matrix is obtained and thermally activating the hydrogel honeycomb matrix to produce macroporous desiccant based honeycomb matrix.
    Type: Application
    Filed: March 23, 2016
    Publication date: July 14, 2016
    Inventors: Deepak PAHWA, Anil Kumar CHOUDHARY
  • Patent number: 9327268
    Abstract: Macroporous desiccant based honeycomb matrix comprising the macroporous desiccant synthesized “in-situ”, said desiccant having a differential water adsorption. Process for the “in-situ” preparation of the macroporous desiccant based honeycomb matrix comprising the steps of soaking honeycomb substrate impregnated with water glass, in aqueous metal salt(s) solution or acid solution, or combination thereof, till such time the hydrogel honeycomb matrix is obtained and thermally activating said hydrogel honeycomb matrix to produce macroporous desiccant based honeycomb matrix.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: May 3, 2016
    Inventors: Deepak Pahwa, Anil Kumar Choudhary
  • Publication number: 20120201730
    Abstract: Macroporous desiccant based honeycomb matrix comprising the macroporous desiccant synthesized “in-situ”, said desiccant having a differential water adsorption. Process for the “in-situ” preparation of the macroporous desiccant based honeycomb matrix comprising the steps of soaking honeycomb substrate impregnated with water glass, in aqueous metal salt(s) solution or acid solution, or combination thereof, till such time the hydrogel honeycomb matrix is obtained and thermally activating said hydrogel honeycomb matrix to produce macroporous desiccant based honeycomb matrix.
    Type: Application
    Filed: October 12, 2010
    Publication date: August 9, 2012
    Applicant: DESICCANT ROTORS INTERNATIONAL PVT. LTD.
    Inventors: Deepak Pahwa, Anil Kumar Choudhary