C04B 2235/326
Tungstates
Official title: Tungstates, e.g. scheelite
C04B2235/326 (Tungstates) appears on 75 US grants and 88 published applications in this corpus.
Search patents in C04B- Granted patents
- 75
- Published applications
- 88
- Assignees
- 59
- Inventors
- 196
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 4 |
| 2004 | 2 | 2 |
| 2005 | 3 | 1 |
| 2006 | 3 | 5 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 3 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 1 |
| 2013 | 1 | 5 |
| 2014 | 2 | 1 |
| 2015 | 4 | 2 |
| 2016 | 3 | 3 |
| 2017 | 4 | 10 |
| 2018 | 7 | 3 |
| 2019 | 6 | 7 |
| 2020 | 4 | 6 |
| 2021 | 2 | 5 |
| 2022 | 3 | 7 |
| 2023 | 7 | 5 |
| 2024 | 5 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tungstate- and molybdate-based ceramic coating for protection of metal surfaces, preparation procedure and use thereof27 Jan 2026US 12,534,625 B2Controladora Mabe S.A. De C.V.
- Ceramic material for capacitor6 Jan 2026US 12,518,919 B2TDK Electronics Co., Ltd.
- Tungsten suboxide ceramic target15 Jul 2025US 12,359,304 B2Soleras Advanced Coatings BV
- LTCC microwave dielectric material and preparation method thereof27 May 2025US 12,312,275 B2Guangdong Fenghua Advanced Technology Holding Co., Ltd.
- Bismuth tungstate/bismuth sulfide/molybdenum disulfide heterojunction ternary composite material and preparation method and application thereof25 Feb 2025US 12,234,193 B2Qilu University of Technology
- Formulation for the preparation of optical metal oxide layers23 Jul 2026US 2026/0209123 A1B. G. Negev Technologies and Applications Ltd.
- Tungstate- and molybdate-based ceramic coating for protection of metal surfaces, preparation procedure and use thereof10 Apr 2025US 2025/0115769 A1Controladora Mabe S.A. De C.V.
- Tungstate- and molybdate-based ceramic coating for protection of metal surfaces, preparation procedure and use thereof3 Apr 2025US 2025/0109297 A1Controladora Mabe S.A. De C.V.
- Tungsten suboxide ceramic target11 Jul 2024US 2024/0229226 A9Soleras Advanced Coatings BV
- Tungsten suboxide ceramic target25 Apr 2024US 2024/0133024 A1Soleras Advanced Coatings BV
Most cited
By later US patents
- Garnet-type solid electrolyte, secondary battery containing garnet-type solid electrolyte, and method of producing garnet-type solid electrolyte55US 9,034,526 B2Shinshu University · 2015
- Scintillator compositions of alkali and rare-earth tungstates33US 6,585,913 B2General Electric Company · 2003
- Thin film dielectric composite materials32US 6,444,336 B1The Regents of the University of California · 2002
- Thermally-stable polycrystalline diamond element and compact, and applications therefor such as drill bits26US 8,074,748 B1US Synthetic Corporation · 2011
- Potassium cesium tungsten bronze particles21US 8,268,202 B2BASF SE · 2012