C01G 51/70
Containing rare earths
Official title: containing rare earths, e.g. LaCoO3 (C01G51/68 takes precedence)
C01G51/70 (Containing rare earths) appears on 50 US grants and 58 published applications in this corpus.
Search patents in C01G- Granted patents
- 50
- Published applications
- 58
- Assignees
- 67
- Inventors
- 206
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 8 |
| 2021 | 2 | 10 |
| 2022 | 7 | 5 |
| 2023 | 9 | 1 |
| 2024 | 7 | 3 |
| 2025 | 1 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Positive electrode active material for rechargeable lithium battery and rechargeable lithium battery including same7 Apr 2026US 12,597,595 B2Samsung SDI.Co., Ltd.
- Two-dimensional high-entropy metal oxide assembly with high thermal conductivity and preparation method thereof9 Sep 2025US 12,410,066 B2Zhejiang University
- Composite of cobalt-based perovskite material with negative thermal expansion material, and preparation method of same, and solid oxide fuel cell comprising same9 Jul 2024US 12,034,168 B2Nanjing Tech University
- Materials for ammonia synthesis18 Jun 2024US 12,012,662 B2Ohio State Innovation Foundation
- Perovskite material, method of preparing the same, and secondary battery including the perovskite material11 Jun 2024US 12,009,514 B2Samsung Electronics Co., Ltd.
- Lsm-mco composite powders for solid oxide electrochemical cell and interconnect coatings and methods of forming same21 May 2026US 2026/0142199 A1Bloom Energy Corporation
- Positive electrode material, and electrochemical apparatus and electric apparatus containing such positive electrode material29 Jan 2026US 2026/0031348 A1Ningde Amperex Technology Limited
- Oxygen reduction reaction catalyst and methods of synthesizing the same6 Mar 2025US 2025/0079473 A1Form Energy, Inc.
- Double perovskite material and preparation method thereof, and reversible protonic ceramic electrochemical cell23 Jan 2025US 2025/0027219 A1South China University of Technology
- Membrane electrode assembly, electrochemical cell, and fuel cell system23 Jan 2025US 2025/0030028 A1Panasonic Holdings Corporation
Most cited
By later US patents
- Partial oxidation of methane over perovskite catalyst55US 5,149,516 AMobil Oil Corporation · 1992
- Process for synthesizing perovskites using high energy milling32US 6,017,504 AUniversite Laval · 2000
- Process for producing perovskite type complex oxide precipitates31US 5,824,278 AHoya Corporation · 1998
- Selective perovskite catalysts to oxidize ammonia to nitric oxide19US 4,812,300 ASRI International · 1989
- Process for producing a superconductive complex metal oxide9US 4,988,671 AHoechst Celanese Corporation · 1991