Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330948 | SiC volumetric shapes and methods of forming boules | Douglas M. Dukes, Glenn Sandgren, Andrew R. Hopkins, Isabel Burlingham | 2025-06-17 |
| 12291456 | High purity SiOC and SiC, methods compositions and applications | Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren +1 more | 2025-05-06 |
| 12215031 | High purity polysilocarb derived silicon carbide powder | Andrew R. Hopkins, Ashish P. Diwanji, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2025-02-04 |
| 12151940 | High purity polysilocarb materials, applications and processes | Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren +1 more | 2024-11-26 |
| 12030819 | Doped SiC and SiOC compositions and Methods | Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren +1 more | 2024-07-09 |
| 11820666 | Polysilocarb based silicon carbide materials, applications and devices | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Ashish P. Diwanji, Glenn Sandgren +1 more | 2023-11-21 |
| 11692067 | Polysilocarb materials, methods and uses | Andrew R. Hopkins, Walter J. Sherwood, Tim C. Moeller, Bruce A. Bricco, Douglas M. Dukes +2 more | 2023-07-04 |
| 11691925 | Nanocomposite silicon oxygen carbon materials and uses | Andrew R. Hopkins, Douglas M. Dukes, Brian L. Benac, Ashish P. Diwanji, Charles C. Rinzler | 2023-07-04 |
| 11685660 | Vapor deposition apparatus and techniques using high purity polymer derived silicon carbide | — | 2023-06-27 |
| 11590606 | High power laser tunneling mining and construction equipment and methods of use | Brian O. Faircloth, John F. Volkmar, Mark S. Zediker, Shararth K Kolachalam, Ryan J. Norton +2 more | 2023-02-28 |
| 11365124 | High purity SiOC and SiC, methods compositions and applications | Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2022-06-21 |
| 11267713 | High purity polysilocarb materials, applications and processes | Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren +1 more | 2022-03-08 |
| 11091370 | Polysilocarb based silicon carbide materials, applications and devices | Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2021-08-17 |
| 11053167 | Pressed and self sintered polymer derived SiC materials, applications and devices | Glenn Sandgren, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes +1 more | 2021-07-06 |
| 11014819 | Methods of providing high purity SiOC and SiC materials | Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren +1 more | 2021-05-25 |
| 11014850 | SiOC ceramic and plastic additives for cements, concretes and structural decorative materials | David Bening | 2021-05-25 |
| 10787574 | Polymer derived ceramic effects particles, uses and methods of making | Andrew R. Hopkins, Michael J. Mueller, Michael Molnar, Charles C. Rinzler, Douglas M. Dukes +1 more | 2020-09-29 |
| 10753010 | Vapor deposition apparatus and techniques using high puritiy polymer derived silicon carbide | — | 2020-08-25 |
| 10738206 | Black ceramic additives, pigments, and formulations | Brian L. Benac, Douglas M. Dukes, Ashish P. Diwanji, Michael J. Mueller, Michael Molnar +2 more | 2020-08-11 |
| 10633400 | Nanocomposite silicon oxygen carbon materials and uses | Andrew R. Hopkins, Douglas M. Dukes, Brian L. Benac, Ashish P. Diwanji, Charles C. Rinzler | 2020-04-28 |
| 10597794 | High purity polymer derived 3C SiC, methods compositions and applications | Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2020-03-24 |
| 10590256 | Black ceramic additives, pigments, and formulations | Andrew R. Hopkins, Ashish P. Diwanji, Michael J. Mueller, Douglas M. Dukes, Walter J. Sherwood +2 more | 2020-03-17 |
| 10322936 | High purity polysilocarb materials, applications and processes | Douglas M. Dukes, Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren +1 more | 2019-06-18 |
| 10322974 | Pressed and self sintered polymer derived SiC materials, applications and devices | Ashish P. Diwanji, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2019-06-18 |
| 10221660 | Offshore methods of hydraulically fracturing and recovering hydrocarbons | Timothy Moeller, Walter J. Sherwood, John Ely, Thomas Dyk, Andrew R. Hopkins | 2019-03-05 |