C04B 35/01
Based on oxide ceramics
Official title: based on oxide ceramics
C04B35/01 (Based on oxide ceramics) appears on 13,273 US grants and 11,599 published applications in this corpus.
Search patents in C04B- Granted patents
- 13,273
- Published applications
- 11,599
- Assignees
- 3,712
- Inventors
- 24,084
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 128 | 0 |
| 1977 | 126 | 0 |
| 1978 | 100 | 0 |
| 1979 | 71 | 0 |
| 1980 | 107 | 0 |
| 1981 | 111 | 0 |
| 1982 | 87 | 0 |
| 1983 | 98 | 0 |
| 1984 | 83 | 0 |
| 1985 | 113 | 0 |
| 1986 | 136 | 0 |
| 1987 | 129 | 0 |
| 1988 | 183 | 0 |
| 1989 | 237 | 0 |
| 1990 | 233 | 0 |
| 1991 | 393 | 0 |
| 1992 | 351 | 0 |
| 1993 | 304 | 0 |
| 1994 | 265 | 0 |
| 1995 | 224 | 0 |
| 1996 | 228 | 0 |
| 1997 | 258 | 0 |
| 1998 | 246 | 0 |
| 1999 | 219 | 0 |
| 2000 | 214 | 0 |
| 2001 | 258 | 75 |
| 2002 | 273 | 289 |
| 2003 | 280 | 344 |
| 2004 | 262 | 402 |
| 2005 | 190 | 357 |
| 2006 | 232 | 412 |
| 2007 | 219 | 429 |
| 2008 | 204 | 418 |
| 2009 | 264 | 567 |
| 2010 | 341 | 587 |
| 2011 | 343 | 521 |
| 2012 | 366 | 488 |
| 2013 | 383 | 483 |
| 2014 | 391 | 463 |
| 2015 | 415 | 499 |
| 2016 | 396 | 454 |
| 2017 | 390 | 466 |
| 2018 | 400 | 519 |
| 2019 | 398 | 559 |
| 2020 | 390 | 545 |
| 2021 | 357 | 534 |
| 2022 | 422 | 559 |
| 2023 | 414 | 496 |
| 2024 | 399 | 476 |
| 2025 | 388 | 392 |
| 2026 | 254 | 265 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 35/10Based on aluminium oxide3,257
- C04B 35/48Based on zirconium or hafnium oxides, zirconates, zircon or hafnates2,997
- C04B 35/46Based on titanium oxides or titanates2,563
- C04B 35/16Based on silicates other than clay2,122
- C04B 35/26Based on ferrites949
- C04B 35/495Based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions939
- C04B 35/44Based on aluminates820
- C04B 35/14Based on silica787
All 17 subgroupsShow fewer
- C04B 35/45Based on copper oxide or solid solutions thereof with other oxides759
- C04B 35/03Based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite558
- C04B 35/453Based on zinc, tin, or bismuth oxides or solid solutions thereof with537
- C04B 35/447Based on phosphates399
- C04B 35/013Containing carbon193
- C04B 35/016Based on manganites150
- C04B 35/42Based on chromites113
- C04B 35/12Based on chromium oxide88
- C04B 35/08Based on beryllium oxide32
Recent patents
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- Lead-free piezoelectric ceramic composition and piezoelectric element6 Oct 2026US 12,753,122 B2Niterra Co., Ltd.
- Ceramic, probe guiding member, probe card and socket for package inspection6 Oct 2026US 12,753,124 B2Ferrotec Material Technologies Corporation
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Materials and processes for generating radioisotopes6 Oct 2026US 12,755,857 B2AdvanCell IPCo US No. 1 Pty Ltd
- Method for preparing porous ceramic with uniform micro-nano pores8 Oct 2026US 2026/0308066 A1Central South University
- Dielectric composition with high-temperature stability8 Oct 2026US 2026/0308067 A1Amotech Co., Ltd.
- Dielectric composition with high-temperature stability8 Oct 2026US 2026/0308068 A1Amotech Co., Ltd.
- Silver-containing zirconia sintered body, silver-containing stabilized zirconia powder, method for producing silver-containing stabilized zirconia powder, and method for producing silver-containing zirconia sintered body8 Oct 2026US 2026/0308069 A1Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- Process for improving flash sintering of ceramics and improved ceramics8 Oct 2026US 2026/0308072 A1The Regents of the University of Colorado, a body corporate
Most cited
By later US patents
- Method for manufacturing a porous ceramic scaffold having an organic/inorganic hybrid coating layer containing a bioactive factor777US 8,734,831 B2Snu R&Db Foundation · 2014
- Non-fused aluminum oxide-based abrasive mineral607US 4,314,827 AMinnesota Mining and Manufacturing Company · 1982
- Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products536US 4,744,802 AMinnesota Mining and Manufacturing Company · 1988
- Abrasive material and method for preparing the same483US 4,623,364 ANorton Company · 1986
- Abrasive grits formed of ceramic containing oxides of aluminum and rare earth metal, method of making and products made therewith477US 4,881,951 AMinnesota Mining and Manufacturing Company · 1989