C04B 2235/3201
Alkali metal oxides or oxide-forming salts thereof
C04B2235/3201 (Alkali metal oxides or oxide-forming salts thereof) appears on 1,834 US grants and 2,302 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,834
- Published applications
- 2,302
- Assignees
- 890
- Inventors
- 4,567
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 12 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 6 | 4 |
| 2002 | 11 | 18 |
| 2003 | 24 | 70 |
| 2004 | 39 | 64 |
| 2005 | 42 | 54 |
| 2006 | 37 | 82 |
| 2007 | 48 | 81 |
| 2008 | 43 | 78 |
| 2009 | 54 | 121 |
| 2010 | 73 | 129 |
| 2011 | 72 | 111 |
| 2012 | 96 | 129 |
| 2013 | 89 | 125 |
| 2014 | 101 | 87 |
| 2015 | 105 | 119 |
| 2016 | 93 | 104 |
| 2017 | 91 | 90 |
| 2018 | 89 | 115 |
| 2019 | 94 | 113 |
| 2020 | 84 | 126 |
| 2021 | 86 | 95 |
| 2022 | 82 | 106 |
| 2023 | 87 | 83 |
| 2024 | 65 | 81 |
| 2025 | 69 | 67 |
| 2026 | 32 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-zirconia electro-fused cast refractory material25 Aug 2026US 12,715,817 B2Saint-Gobain TM K.K.
- Aluminum-doped lithium ion conductor based on a garnet structure18 Aug 2026US 12,712,200 B2Schott AG
- Nanoporous ceramic for atomization core and preparation method thereof11 Aug 2026US 12,703,664 B2Huizhou Happy Vaping Technology Limited
- Magnetic ball11 Aug 2026US 12,703,666 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Dielectric for a capacitor and a method of manufacturing same4 Aug 2026US 12,700,541 B2Hyundai Motor Company
- Hearth mixture for disposing on the hearth bottom of an electric arc furnace, use of a hearth mixture for disposing on the hearth bottom of an electric arc furnace, electric arc furnace, method for disposing a hearth mixture on the hearth bottom of an electric arc furnace and use of magnesia spinel used in a lining of a cement rotary kiln24 Sep 2026US 2026/0287256 A1Refractory Intellectual Property GmbH & Co.KG
- Ceramic and metal materials with controlled microstructures, and systems and methods for fabrication and use thereof17 Sep 2026US 2026/0274753 A1University of Maryland, College Park
- Reactive sintering of ceramic lithium-ion solid electrolytes17 Sep 2026US 2026/0279887 A1Corning Incorporated
- Stabilized solid garnet electrolyte and methods thereof17 Sep 2026US 2026/0279900 A1Corning Incorporated
- Method for producing a capacitor element comprising a dielectric ceramic film, slip for producing a dielectric ceramic film, and capacitor element comprising a dielectric ceramic film10 Sep 2026US 2026/0269125 A1Technische Universität Darmstadt
Most cited
By later US patents
- Method for fabricating artificial bone implant green parts218US 5,639,402 A1997
- Lithium ion-conductive solid electrolyte containing lithium titanium phosphate169US 4,985,317 AJapan Synthetic Rubber Co., Ltd. · 1991
- Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements156US 7,635,035 B1US Synthetic Corporation · 2009
- Artificial bone implants142US 6,540,784 B2Board of Regents, The University of Texas System · 2003
- Non-spherical nanopowder derived nanocomposites126US 6,916,872 B2NanoProducts Corporation · 2005