B01D 71/0271
Perovskites
Official title: {Perovskites}
B01D71/0271 (Perovskites) appears on 165 US grants and 176 published applications in this corpus.
Search patents in B01D- Granted patents
- 165
- Published applications
- 176
- Assignees
- 133
- Inventors
- 526
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 3 |
| 2002 | 3 | 4 |
| 2003 | 6 | 4 |
| 2004 | 1 | 7 |
| 2005 | 3 | 14 |
| 2006 | 7 | 10 |
| 2007 | 9 | 15 |
| 2008 | 5 | 10 |
| 2009 | 4 | 11 |
| 2010 | 5 | 8 |
| 2011 | 9 | 11 |
| 2012 | 7 | 8 |
| 2013 | 5 | 12 |
| 2014 | 12 | 6 |
| 2015 | 4 | 9 |
| 2016 | 5 | 8 |
| 2017 | 7 | 6 |
| 2018 | 5 | 4 |
| 2019 | 3 | 5 |
| 2020 | 2 | 4 |
| 2021 | 6 | 1 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 5 |
| 2025 | 1 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a gas separation membrane28 Jul 2026US 12,691,417 B2Kerionics, S.L.
- Nanostructured ceramic membranes for hydrogen isotope separation9 Sep 2025US 12,410,072 B2Battelle Savannah River Alliance, LLC
- Methods for manufacturing a freestanding solid state ionic conductive membrane26 Nov 2024US 12,154,702 B1Ampcera Inc.
- Separation and conversion of carbon dioxide to syngas using a porous ceramic dual membrane in a thermo-electrochemical reactor26 Mar 2024US 11,939,686 B2Lawrence Livermore National Security, LLC
- Filtration membrane and methods of use and manufacture thereof13 Jun 2023US 11,673,097 B2Valorbec Societe en Commandite
- Ultrafiltration membrane for emulsion separation20 Aug 2026US 2026/0241345 A1King Fahd University of Petroleum and Minerals
- Lithium-selective transmission membrane and method for manufacturing lithium-selective transmission membrane6 Aug 2026US 2026/0226643 A1Japan Fine Ceramics Co., LTD.
- Solid-state membrane for selective capture of carbon dioxide11 Jun 2026US 2026/0158443 A1Valero Services, Inc.
- Fabrication of large and polymer-free complex oxide and complex nitride membranes assisted by isolated metal islands26 Mar 2026US 2026/0085447 A1
- Mixed-matrix membranes, composition and method2 Jan 2025US 2025/0001369 A1
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Composite mixed conductor membranes for producing oxygen121US 5,240,480 AAir Products and Chemicals, Inc. · 1993
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions99US 5,744,015 A1998
- Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions92US 5,356,728 AAmoco Corporation · 1994
- Plasma sprayed oxygen transport membrane coatings78US 6,638,575 B1Praxair Technology, Inc. · 2003