B22F 2003/1106
Product comprising closed porosity
Official title: {Product comprising closed porosity}
B22F2003/1106 (Product comprising closed porosity) appears on 39 US grants and 41 published applications in this corpus.
Search patents in B22F- Granted patents
- 39
- Published applications
- 41
- Assignees
- 37
- Inventors
- 120
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 1 |
| 2007 | 4 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 1 | 5 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Tool main body and method for producing tool main body17 Mar 2026US 12,576,448 B2Sumitomo Electric Industries, Ltd.
- Syntactic metal matrix materials and methods30 Apr 2024US 11,969,797 B2Powdermet, Inc.
- Methods for producing hollow ceramic spheres23 Apr 2024US 11,964,873 B2Plassein Technologies Ltd. LLC
- Low thermal stress metal structures16 Jan 2024US 11,872,628 B2Powdermet, Inc.
- Additive manufacturing techniques for selective density gradient location12 Feb 2026US 2026/0042144 A1
- Methods for Producing Hollow Ceramic Spheres13 Feb 2025US 2025/0051171 A1Plassein Technologies Ltd. LLC
- Low thermal stress metal structures29 Aug 2024US 2024/0286191 A1Powdermet, Inc.
- Low thermal stress engineered metal structures26 Oct 2023US 2023/0339820 A1Powdermet, Inc.
- Sintered alloy valve guide and method of producing sintered alloy valve guide27 Apr 2023US 2023/0127085 A1Tpr Co., Ltd.
Most cited
By later US patents
- Method for preparation of metallic and ceramic foam products and products made88US 6,852,272 B2Advanced Ceramics Research, Inc. · 2005
- Method for preparation of metallic foam products and products made52US 6,524,522 B2Advanced Ceramics Research, Inc. · 2003
- Abrasive tip/abradable shroud system and method for gas turbine compressor clearance control47US 5,704,759 AAlliedSignal Inc. · 1998
- Foamed metal and method of producing same43US 4,713,277 AAgency of Industrial Science and Technology · 1987
- Abradable composition, a method of manufacturing an abradable composition and a gas turbine engine having an abradable seal39US 5,780,146 AROLLS-ROYCE plc · 1998