Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291456 | High purity SiOC and SiC, methods compositions and applications | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Mark S. Land, Glenn Sandgren +1 more | 2025-05-06 |
| 12215031 | High purity polysilocarb derived silicon carbide powder | Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Mark S. Land +1 more | 2025-02-04 |
| 12151940 | High purity polysilocarb materials, applications and processes | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land +1 more | 2024-11-26 |
| 12030819 | Doped SiC and SiOC compositions and Methods | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land +1 more | 2024-07-09 |
| 11820666 | Polysilocarb based silicon carbide materials, applications and devices | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land +1 more | 2023-11-21 |
| 11691925 | Nanocomposite silicon oxygen carbon materials and uses | Andrew R. Hopkins, Douglas M. Dukes, Brian L. Benac, Charles C. Rinzler, Mark S. Land | 2023-07-04 |
| 11365124 | High purity SiOC and SiC, methods compositions and applications | Mark S. Land, 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, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land +1 more | 2022-03-08 |
| 11091370 | Polysilocarb based silicon carbide materials, applications and devices | Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren, Mark S. Land +1 more | 2021-08-17 |
| 11053167 | Pressed and self sintered polymer derived SiC materials, applications and devices | Glenn Sandgren, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Mark S. Land +1 more | 2021-07-06 |
| 11014819 | Methods of providing high purity SiOC and SiC materials | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land +1 more | 2021-05-25 |
| 10738206 | Black ceramic additives, pigments, and formulations | Brian L. Benac, Douglas M. Dukes, Michael J. Mueller, Michael Molnar, Walter J. Sherwood +2 more | 2020-08-11 |
| 10633400 | Nanocomposite silicon oxygen carbon materials and uses | Andrew R. Hopkins, Douglas M. Dukes, Brian L. Benac, Charles C. Rinzler, Mark S. Land | 2020-04-28 |
| 10597794 | High purity polymer derived 3C SiC, methods compositions and applications | Mark S. Land, 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, Michael J. Mueller, Douglas M. Dukes, Walter J. Sherwood, Michael Molnar +2 more | 2020-03-17 |
| 10322974 | Pressed and self sintered polymer derived SiC materials, applications and devices | Mark S. Land, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2019-06-18 |
| 10322936 | High purity polysilocarb materials, applications and processes | Douglas M. Dukes, Andrew R. Hopkins, Walter J. Sherwood, Glenn Sandgren, Mark S. Land +1 more | 2019-06-18 |
| 9919972 | Pressed and self sintered polymer derived SiC materials, applications and devices | Mark S. Land, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Glenn Sandgren +1 more | 2018-03-20 |
| 9657409 | High purity SiOC and SiC, methods compositions and applications | Glen Sandgren, Andrew R. Hopkins, Walter J. Sherwood, Douglas M. Dukes, Mark S. Land +1 more | 2017-05-23 |
| 9499677 | Black ceramic additives, pigments, and formulations | Douglas M. Dukes, Michael J. Mueller, Michael Molnar, Walter J. Sherwood, Andrew R. Hopkins +2 more | 2016-11-22 |
| 9481781 | Black ceramic additives, pigments, and formulations | Michael Molnar, Michael J. Mueller, Douglas M. Dukes, Walter J. Sherwood, Andrew R. Hopkins +2 more | 2016-11-01 |
| 6262217 | Polyurethane compositions | Jack N. Tallmadge, Mark A. Weih, Walter C. Wilhem | 2001-07-17 |