Patents by Inventor Charlotte Holt

Charlotte Holt 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: 20230138358
    Abstract: Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.
    Type: Application
    Filed: May 22, 2017
    Publication date: May 4, 2023
    Inventors: Ryan Nicholas Chan, Drew Williams, Caleb Meredith, Charlotte Holt, Hasan Sadeghifar, James Charles Bray
  • Patent number: 10689566
    Abstract: Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 23, 2020
    Assignee: Anavo Technologies, LLC
    Inventors: Ryan Nicholas Chan, Drew Williams, Caleb Meredith, Charlotte Holt, James Charles Bray
  • Publication number: 20180371309
    Abstract: Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.
    Type: Application
    Filed: November 18, 2016
    Publication date: December 27, 2018
    Inventors: Ryan Nicholas Chan, Drew Williams, Caleb Meredith, Charlotte Holt, Hasan Sadeghifar