Patents by Inventor John Paul Siegfried

John Paul Siegfried 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: 11958033
    Abstract: This invention relates to modified MOF materials, methods of preparing them and processes using them. A modified MOF of the invention is modified by impregnating a MOF with an inorganic metal salt. The starting MOF contains at least one linker or ligand which contains an aryl amino group as part of its structure. These modified MOFs are able to adsorb either basic or acidic toxic industrial compounds (TIC). The modified MOFs can be used to remove TICs from various gaseous streams such as air.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 16, 2024
    Assignee: NuMat Technologies, Inc.
    Inventors: Mitchell Hugh Weston, William Morris, William Joseph Hoover, Patrick Emmett Fuller, John Paul Siegfried, Randi Danielle Groy, Jeffrey Loren Wells, Timothy Chiaan Wang, Edwin Alfonso Argueta Fajardo
  • Patent number: 11958034
    Abstract: This invention relates to metal organic framework (MOF) compositions, methods of preparing them and methods of using them. The MOF compositions are characterized in that at least a portion of the linker molecule is an amino containing organic linker. The MOF also has a crystal size of greater than 1 ?m and has been treated with an acid wash to provide a MOF in which at least 55% of the amino groups are activated amino groups of the form —NH2. The MOF compositions are useful in adsorbing various contaminants from various gas stream. One specific example is adsorbing NO2 from an air stream.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 16, 2024
    Assignee: NuMat Technologies, Inc.
    Inventors: Mitchell Hugh Weston, Edwin Alfonso Argueta Fajardo, William Morris, John Paul Siegfried, Patrick Emmett Fuller
  • Publication number: 20230375138
    Abstract: A liquefied gas system for capturing boil-off gas and reversibly adsorbing the boil-off gas on an adsorbent for later desorption and use comprises a first vessel for storing liquefied gas; a means for delivering gas from the first vessel to a system endpoint; a second vessel for storing boil-off gas emitted from the first vessel, the second vessel containing at least one adsorbent; a means for delivering boil-off gas from the first vessel to the second vessel, whereby the boil-off gas is reversibly stored on the at least one adsorbent; and a means for delivering the stored boil-off gas from the second vessel to the system endpoint. Also disclosed is a method of capturing boil-off gas from a liquefied gas system, wherein the captured boil-off gas is captured on an adsorbent for further use in the system. In one embodiment of the system and the method, the liquefied gas is liquid hydrogen, and the captured boil-off gas is used to power a hydrogen fuel cell.
    Type: Application
    Filed: May 19, 2023
    Publication date: November 23, 2023
    Applicant: NuMat Technologies, Inc.
    Inventors: Timothy C. Wang, William Morris, John Paul Siegfried, Jackson J Du, Ross James Verploegh
  • Publication number: 20210379560
    Abstract: This invention relates to metal organic framework (MOF) compositions, methods of preparing them and methods of using them. The MOF compositions are characterized in that at least a portion of the linker molecule is an amino containing organic linker. The MOF also has a crystal size of greater than 1 ?m and has been treated with an acid wash to provide a MOF in which at least 55% of the amino groups are activated amino groups of the form —NH2. The MOF compositions are useful in adsorbing various contaminants from various gas stream. One specific example is adsorbing NO2 from an air stream.
    Type: Application
    Filed: March 30, 2021
    Publication date: December 9, 2021
    Applicant: NuMat Technologies Inc.
    Inventors: Mitchell Hugh Weston, Edwin Alfonso Argueta Fajardo, William Morris, John Paul Siegfried, Patrick Emmett Fuller
  • Publication number: 20210379559
    Abstract: This invention relates to modified MOF materials, methods of preparing them and processes using them. A modified MOF of the invention is modified by impregnating a MOF with an inorganic metal salt. The starting MOF contains at least one linker or ligand which contains an aryl amino group as part of its structure. These modified MOFs are able to adsorb either basic or acidic toxic industrial compounds (TIC). The modified MOFs can be used to remove TICs from various gaseous streams such as air.
    Type: Application
    Filed: March 30, 2021
    Publication date: December 9, 2021
    Applicant: NUMAT TECHNOLOGIES INC.
    Inventors: Mitchell Hugh Weston, William Morris, William Joseph Hoover, Patrick Emmett Fuller, John Paul Siegfried, Randi Danielle Groy, Jeffrey Loren Wells, Timothy Chiaan Wang, Edwin Alfonso Argueta Fajardo