B22F 3/222
By freeze-casting or in a supercritical fluid
Official title: {by freeze-casting or in a supercritical fluid}
B22F3/222 (By freeze-casting or in a supercritical fluid) appears on 32 US grants and 22 published applications in this corpus.
Search patents in B22F- Granted patents
- 32
- Published applications
- 22
- Assignees
- 24
- Inventors
- 71
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 0 |
| 2019 | 3 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 4 |
| 2025 | 3 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refractory alloyed iron-based redox active foams for iron-air batteries, fabricating methods and applications of same10 Feb 2026US 12,544,833 B2Northwestern University
- Method of making copper foam ball2 Dec 2025US 12,485,480 B2CellMo Materials Innovation, Inc.
- Fabrication of three-dimensional porous electrode15 Apr 2025US 12,275,067 B2CellMo Materials Innovation, Inc.
- Freeze-cast magnetic flake composites18 Feb 2025US 12,230,437 B2Trustees of Dartmouth College
- Magnesium-based alloy foam27 Feb 2024US 11,913,092 B2CellMo Materials Innovation, Inc.
- Fabricating a 3D Porous Metal-Foam Electrode11 Jun 2026US 2026/0158548 A1CellMo Materials Innovation, Inc.
- Manufacturing a Copper Foam Ball19 Mar 2026US 2026/0077406 A1
- Method of Forming a Contact Piece for a Circuit Breaker5 Dec 2024US 2024/0399619 A1ABB Schweiz AG
- Magnesium-Based Alloy Foam17 Oct 2024US 2024/0344178 A1
- Method of Manufacturing Porous Structures With Controllable and Directionally Tunable Porosity Via Freeze Casting3 Oct 2024US 2024/0326125 A1Carnegie Mellon University
Most cited
By later US patents
- Forming of complex high performance ceramic and metallic shapes42US 5,047,181 ACeramics Process Systems Corporation · 1991
- Method for the freeze-pressure molding of inorganic powders37US 4,965,027 AMitsubishi Corporation · 1990
- Molding refractory and metal shapes by slip-casting21US 4,341,725 A1982
- Composite inorganic structures and process of producing same20US 4,428,895 ABlasch Precision Ceramics, Inc. · 1984
- Composite inorganic structures20US 4,552,800 ABlasch Precision Ceramics, Inc. · 1985