Patents by Inventor Shiv Shankar

Shiv Shankar 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: 20190332770
    Abstract: Malware scanning for network-attached storage systems is provided herein. A data storage system as described herein can include a memory that stores computer executable components and a processor that executes computer executable components stored in the memory. The computer executable components can include a file identification component that obtains an identifier for a target file stored by the data storage system; a lookup component that searches a scan status data structure for a malware scan result corresponding to the identifier for the target file; and a file access component that grants access to the target file in response to the lookup component obtaining the malware scan result from the scan status data structure and the malware scan result indicating that the target file contains no malware.
    Type: Application
    Filed: April 30, 2018
    Publication date: October 31, 2019
    Inventors: Shiv Shankar Kumar, Jai Prakash Gahlot, Amit Kumar Chauhan
  • Publication number: 20190225874
    Abstract: A viscoelastic surfactant treatment fluid comprises an aqueous base fluid an inorganic salt, the inorganic salt being present in an amount of greater than about 5 wt. % based on the total weight of the treatment fluid; a viscoelastic surfactant gelling agent effective to gel the aqueous base fluid by forming a plurality of micelles; and a cationic polymer additive associated with the micelles via electrostatic interactions.
    Type: Application
    Filed: January 22, 2018
    Publication date: July 25, 2019
    Applicant: Baker Hughes, a GE company, LLC
    Inventors: Shiv Shankar Sangaru, Prahlad Yadav
  • Publication number: 20190211254
    Abstract: A method of breaking the viscosity of a treatment fluid comprises: adding hydrophobic nanoparticles to a treatment fluid comprising a base fluid and a viscoelastic surfactant gelling agent, the hydrophobic nanoparticles comprising metallic nanoparticles that are surface modified with C6-30 aliphatic groups, wherein the hydrophobic nanoparticles are added in an amount effective to decrease the viscosity of the treatment fluid as compared to a treatment fluid absent the hydrophobic nanoparticles.
    Type: Application
    Filed: March 20, 2019
    Publication date: July 11, 2019
    Applicant: Baker Hughes, a GE company, LLC
    Inventors: Shiv Shankar Sangaru, Prahlad Yadav, Tianping Huang, Gaurav Agrawal, Pranjal Sarmah
  • Patent number: 10280361
    Abstract: A method of breaking the viscosity of a treatment fluid comprises: adding hydrophobic nanoparticles to a treatment fluid comprising a base fluid and a viscoelastic surfactant gelling agent, the hydrophobic nanoparticles comprising metallic nanoparticles that are surface modified with C6-30 aliphatic groups, wherein the hydrophobic nanoparticles are added in an amount effective to decrease the viscosity of the treatment fluid as compared to a treatment fluid absent the hydrophobic nanoparticles.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: May 7, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Shiv Shankar Sangaru, Prahlad Yadav, Tianping Huang, Gaurav Agrawal, Pranjal Sarmah
  • Patent number: 10227522
    Abstract: A method of treating a subterranean formation penetrated by a well comprises combining an aqueous base fluid, a viscoelastic surfactant gelling agent, two or more types of the following nanoparticles: an alkaline earth metal oxide; an alkaline earth metal hydroxide; a transition metal oxide; or a transition metal hydroxide to form a treatment fluid, and pumping the treatment fluid into the well, wherein the weight ratio of the two or more types of the nanoparticles is selected such that the treatment fluid has an improved fluid efficiency as compared to an otherwise identical reference fluid except for comprising only one type of the nanoparticles selected from an alkaline earth metal oxide; an alkaline earth metal hydroxide; a transition metal oxide; and a transition metal hydroxide.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: March 12, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Shiv Shankar Sangaru, Prahlad Yadav, Tianping Huang, Gaurav Agrawal, Mohammed Al-Rabah
  • Publication number: 20170362495
    Abstract: A method of breaking the viscosity of a treatment fluid comprises: adding hydrophobic nanoparticles to a treatment fluid comprising a base fluid and a viscoelastic surfactant gelling agent, the hydrophobic nanoparticles comprising metallic nanoparticles that are surface modified with C6-30 aliphatic groups, wherein the hydrophobic nanoparticles are added in an amount effective to decrease the viscosity of the treatment fluid as compared to a treatment fluid absent the hydrophobic nanoparticles.
    Type: Application
    Filed: June 20, 2016
    Publication date: December 21, 2017
    Applicant: Baker Hughes Incorporated
    Inventors: Shiv Shankar Sangaru, Prahlad Yadav, Tianping Huang, Gaurav Agrawal, Pranjal Sarmah
  • Publication number: 20170342308
    Abstract: A method of treating a subterranean formation penetrated by a well comprises combining an aqueous base fluid, a viscoelastic surfactant gelling agent, two or more types of the following nanoparticles: an alkaline earth metal oxide; an alkaline earth metal hydroxide; a transition metal oxide; or a transition metal hydroxide to form a treatment fluid, and pumping the treatment fluid into the well, wherein the weight ratio of the two or more types of the nanoparticles is selected such that the treatment fluid has an improved fluid efficiency as compared to an otherwise identical reference fluid except for comprising only one type of the nanoparticles selected from an alkaline earth metal oxide; an alkaline earth metal hydroxide; a transition metal oxide; and a transition metal hydroxide.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Applicant: Baker Hughes Incorporated
    Inventors: Shiv Shankar Sangaru, Prahlad Yadav, Tianping Huang, Gaurav Agrawal, Mohammed Al-Rabah
  • Publication number: 20160040257
    Abstract: A fungal strain Beauveria species bearing accession number MTCC 5184 is disclosed. The process for the preparation of an enzyme mix including at least one enzyme selected from, but not limited to protease, carbohydrase, and lipase from the disclosed Beauveria species and uses of the enzyme mix in various areas also disclosed.
    Type: Application
    Filed: August 21, 2015
    Publication date: February 11, 2016
    Inventors: Seeta Laxman RYALI, Shiv Shankar, Snehal Vijay More, Harish Bansilal Khandelwal, Chandra Babu Kannan Narasimhan, Saravanan Palanivel, Padmanabhan Balaram
  • Patent number: 9217140
    Abstract: A fungal strain Beauveria species bearing accession number MTCC 5184 is disclosed. The process for the preparation of an enzyme mix including at least one enzyme selected from, but not limited to protease, carbohydrase, and lipase from the disclosed Beauveria species and uses of the enzyme mix in various areas also disclosed.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: December 22, 2015
    Assignee: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Seeta Laxman Ryali, Shiv Shankar, Snehal Vijay More, Harish Bansilal Khandelwal, Chandra Babu Kannan Narasimhan, Saravanan Palanivel, Padmanabhan Balaram
  • Publication number: 20140315244
    Abstract: A fungal strain Beauveria species bearing accession number MTCC 5184 is disclosed. The process for the preparation of an enzyme mix including at least one enzyme selected from, but not limited to protease, carbohydrase, and lipase from the disclosed Beauveria species and uses of the enzyme mix in various areas also disclosed.
    Type: Application
    Filed: April 10, 2014
    Publication date: October 23, 2014
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Seeta Laxman RYALI, Shiv Shankar, Snehal Vijay More, Harish Bansilal Khandelwal, Chandra Babu Kannan Narasimhan, Saravanan Palanivel, Padmanabhan Balaram
  • Patent number: 8765447
    Abstract: A fungal strain Beauveria species bearing accession number MTCC 5184 is disclosed. The process for the preparation of an enzyme mix including at least one enzyme selected from, but not limited to protease, carbohydrase, and lipase from the disclosed Beauveria species and uses of the enzyme mix in various areas also disclosed.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: July 1, 2014
    Assignee: Council of Scientific and Industrial Research
    Inventors: Seeta Laxman Ryali, Shiv Shankar, Snehal Vijay More, Harish Bansilal Khandelwal, Chandra Babu Kannan Narasimhan, Saravanan Palanivel, Padmanabhan Balaram
  • Patent number: 8741384
    Abstract: A method of synthesizing branched gold nanoparticles is described, starting from an aqueous solution of gold nanoparticle spherical seeds, which is subjected to a growth treatment with an aqueous solution comprising hydroxylamine or a salt thereof as a reducing agent and 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) as an agent that directs the shape of the nanostructure, and by subsequent addition of an aqueous solution of chloroauric acid (HAuCl4). The structural features and the properties of the branched gold nanoparticles obtained by the method of the invention are also described.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: June 3, 2014
    Assignee: Fondazione Istituto Italiano di Tecnologia
    Inventors: Gabriele Maiorano, Loris Rizzello, Shiv Shankar Sangaru, Roberto Cingolani, Pier Paolo Pompa
  • Publication number: 20130260033
    Abstract: A method of synthesizing branched gold nanoparticles is described, starting from an aqueous solution of gold nanoparticle spherical seeds, which is subjected to a growth treatment with an aqueous solution comprising hydroxylamine or a salt thereof as a reducing agent and 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) as an agent that directs the shape of the nanostructure, and by subsequent addition of an aqueous solution of chloroauric acid (HAuCl4). The structural features and the properties of the branched gold nanoparticles obtained by the method of the invention are also described.
    Type: Application
    Filed: December 6, 2011
    Publication date: October 3, 2013
    Inventors: Gabriele Maiorano, Loris Rizzello, Shiv Shankar Sangaru, Roberto Cingolani, Pier Paolo Pompa
  • Publication number: 20130095523
    Abstract: A fungal strain Beauveria species bearing accession number MTCC 5184 is disclosed. The process for the preparation of an enzyme mix including at least one enzyme selected from, but not limited to protease, carbohydrase, and lipase from the disclosed Beauveria species and uses of the enzyme mix in various areas also disclosed.
    Type: Application
    Filed: February 4, 2011
    Publication date: April 18, 2013
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Seeta Laxman Ryali, Shiv Shankar, Snchal Vijay More, Harish Bansilal Khandelwal, Chandra Babu Kannan Marasimhan, Saravanan Palanivel, Padmanabhan Balaram