B22D 31/005
Sealing or impregnating porous castings
Official title: {Sealing or impregnating porous castings}
B22D31/005 (Sealing or impregnating porous castings) appears on 21 US grants and 9 published applications in this corpus.
Search patents in B22D- Granted patents
- 21
- Published applications
- 9
- Assignees
- 18
- Inventors
- 47
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method to produce void-free ferrous and non-ferrous aerospace structural castings23 Dec 2025US 12,503,773 B2Spirit AeroSystems, Inc.
- Medical device and method of manufacture yielding medical devices with consistent surface features23 Jan 2024US 11,877,725 B2
- System for impregnation of castings19 Nov 2019US 10,478,891 B2
- Component impregnation17 Mar 2009US 7,503,976 B2Godfrey & Wing, LLC
- Component impregnation5 Jul 2005US 6,913,650 B2Godfrey & Wing, LLC
- Method to produce void-free ferrous & non-ferrous aerospace structural castings22 Aug 2024US 2024/0279815 A1Spirit AeroSystems, Inc.
- Medical devices with consistent surface features9 May 2024US 2024/0148237 A1KARL STORZ Imaging, Inc.
- Medical device and method of manufacture yielding medical devices with consistent surface features12 Jan 2023US 2023/0008104 A1KARL STORZ Imaging, Inc.
- System for impregnation of castings7 Feb 2019US 2019/0039129 A1
- Component impregnation14 Feb 2008US 2008/0038469 A1
Most cited
By later US patents
- Impregnating equipment and method of vacuum impregnation36US 4,196,231 A1980
- Impregnation of porous articles33US 4,384,014 A1983
- Integrated apparatus and method for filling porous composite preforms23US 6,830,079 B1General Electric Company · 2004
- Impregnation of porous articles19US 4,311,735 AUltraseal International Limited · 1982
- Method for treating superalloy castings15US 4,021,910 AHowmet Turbine Components Corporation · 1977