Patents by Inventor Walter J. Sherwood

Walter J. Sherwood 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).

  • Polysilocarb based silicon carbide materials, applications and devices
    Patent number: 11820666
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: August 7, 2021
    Date of Patent: November 21, 2023
    Assignee: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Ashish P. Diwanji, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • Polysilocarb materials, methods and uses
    Patent number: 11692067
    Abstract: Polysilocarb formulations, cured and pyrolized materials, was well as articles and use for this material. In particular pyrolized polysilocarb ceramic materials and articles contain these materials where, the ceramic has from about 30 weight % to about 60 weight % silicon, from about 5 weight % to about 40 weight % oxygen, and from about 3 weight % to about 35 weight % carbon, and wherein 20 weight % to 80 weight % of the carbon is silicon-bound-carbon and 80 weight % to about 20 weight % of the carbon is free carbon.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: July 4, 2023
    Assignee: Melior Innovations, Inc.
    Inventors: Andrew R. Hopkins, Mark S. Land, Walter J. Sherwood, Tim C. Moeller, Bruce A. Bricco, Douglas M. Dukes, Brian L. Benac, Michael J. Mueller
  • High Purity SiOC and SiC, Methods Compositions and Applications
    Publication number: 20230090632
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: June 19, 2022
    Publication date: March 23, 2023
    Applicant: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Mark S. Land, Glenn Sandgren, Brian L. Benac
  • HIGH PURITY POLYSILOCARB MATERIALS, APPLICATIONS AND PROCESSES
    Publication number: 20230089735
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: March 7, 2022
    Publication date: March 23, 2023
    Applicant: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • High purity SiOC and SiC, methods compositions and applications
    Patent number: 11365124
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 21, 2022
    Assignee: Pallidus, Inc.
    Inventors: Mark S. Land, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Brian L. Benac
  • POLYSILOCARB BASED SILICON CARBIDE MATERIALS, APPLICATIONS AND DEVICES
    Publication number: 20220169518
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: August 7, 2021
    Publication date: June 2, 2022
    Applicant: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Ashish P. Diwanji, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • METHODS OF PROVIDING HIGH PURITY SiOC AND SiC MATERIALS
    Publication number: 20220162128
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: May 24, 2021
    Publication date: May 26, 2022
    Applicant: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • High purity polysilocarb materials, applications and processes
    Patent number: 11267713
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: March 8, 2022
    Assignee: Lensar, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • PRESSED AND SELF SINTERED POLYMER DERIVED SiC MATERIALS, APPLICATIONS AND DEVICES
    Publication number: 20220002207
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: July 4, 2021
    Publication date: January 6, 2022
    Applicant: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • Polysilocarb based silicon carbide materials, applications and devices
    Patent number: 11091370
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: August 17, 2021
    Assignee: Pallidus, Inc.
    Inventors: Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • Pressed and self sintered polymer derived SiC materials, applications and devices
    Patent number: 11053167
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: July 6, 2021
    Assignee: Pallidus, Inc.
    Inventors: Glenn Sandgren, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Mark S. Land, Brian L. Benac
  • Methods of providing high purity SiOC and SiC materials
    Patent number: 11014819
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 25, 2021
    Assignee: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • High Purity SiOC and SiC, Methods Compositions and Applications
    Publication number: 20210009430
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: March 20, 2020
    Publication date: January 14, 2021
    Applicant: Pallidus, Inc.
    Inventors: Mark S. Land, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Brian L. Benac
  • Black ceramic additives, pigments, and formulations
    Patent number: 10738206
    Abstract: Ceramic black materials for use as, or in, colorants, inks, pigments, dyes, additives and formulations utilizing these black materials. Black ceramics having silicon, oxygen and carbon, and methods of making these ceramics; formulations utilizing these black ceramics; and devices, structures and apparatus that have or utilize these formulations. Plastics, paints, inks, coatings, formulations, liquids and adhesives containing ceramic black materials, preferably polymer derived black ceramic materials, and in particular polysilocarb polymer derived ceramic materials.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: August 11, 2020
    Assignee: Melior Innovations, Inc.
    Inventors: Brian L. Benac, Douglas M. Dukes, Ashish P. Diwanji, Michael J. Mueller, Michael Molnar, Walter J. Sherwood, Adrew R. Hopkins, Mark S. Land
  • HIGH PURITY POLYSILOCARB MATERIALS, APPLICATIONS AND PROCESSES
    Publication number: 20200115235
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: June 17, 2019
    Publication date: April 16, 2020
    Applicant: Palidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac
  • High purity polymer derived 3C SiC, methods compositions and applications
    Patent number: 10597794
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: March 24, 2020
    Assignee: Pallidus, Inc.
    Inventors: Mark S. Land, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Brian L. Benac
  • Black ceramic additives, pigments, and formulations
    Patent number: 10590256
    Abstract: Ceramic black materials for use as, or in, colorants, inks, pigments, dyes, additives and formulations utilizing these black materials. Black ceramics having silicon, oxygen and carbon, and methods of making these ceramics; formulations utilizing these black ceramics; and devices, structures and apparatus that have or utilize these formulations. Plastics, paints, inks, coatings, formulations, liquids and adhesives containing ceramic black materials, preferably polymer derived black ceramic materials, and in particular polysilocarb polymer derived ceramic materials.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: March 17, 2020
    Assignee: Melior Innovations, Inc.
    Inventors: Andrew R. Hopkins, Ashish P. Diwanji, Michael J. Mueller, Douglas M. Dukes, Walter J. Sherwood, Michael Molnar, Mark S. Land, Brian L. Benac
  • Pressed and Self Sintered Polymer Derived SiC Materials, Applications and Devices
    Publication number: 20200010373
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Application
    Filed: June 17, 2019
    Publication date: January 9, 2020
    Applicant: Pallidus, Inc.
    Inventors: Glenn Sandgren, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Mark S. Land, Brian L. Benac
  • Polysilocarb Materials, Methods and Uses
    Publication number: 20190352464
    Abstract: Polysilocarb formulations, cured and pyrolized materials, was well as articles and use for this material. In particular pyrolized polysilocarb ceramic materials and articles contain these materials where, the ceramic has from about 30 weight % to about 60 weight % silicon, from about 5 weight % to about 40 weight % oxygen, and from about 3 weight % to about 35 weight % carbon, and wherein 20 weight % to 80 weight % of the carbon is silicon-bound-carbon and 80 weight % to about 20 weight % of the carbon is free carbon.
    Type: Application
    Filed: December 7, 2018
    Publication date: November 21, 2019
    Applicant: Melior Innovations, Inc.
    Inventors: Andrew R. Hopkins, Mark S. Land, Walter J. Sherwood, Tim C. Moeller, Bruce A. Bricco, Douglas M. Dukes, Brian L. Benac, Michael J. Mueller
  • High purity polysilocarb materials, applications and processes
    Patent number: 10322936
    Abstract: Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: June 18, 2019
    Assignee: Pallidus, Inc.
    Inventors: Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land, Brian L. Benac