B22C 1/165
In the manufacture of multilayered shell moulds
Official title: {in the manufacture of multilayered shell moulds}
B22C1/165 (In the manufacture of multilayered shell moulds) appears on 72 US grants and 26 published applications in this corpus.
Search patents in B22C- Granted patents
- 72
- Published applications
- 26
- Assignees
- 47
- Inventors
- 120
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 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 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 0 | 0 |
| 2021 | 4 | 1 |
| 2022 | 0 | 3 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- High-inertia mold shell for casting and preparation method thereof and method for improving precision of magnesium alloy cast9 Dec 2025US 12,491,558 B2Dekai Intelligent Casting Co., Ltd
- Mullite shell systems for investment castings and methods28 Jan 2025US 12,208,439 B2Carbo Ceramics Inc.
- Spherical fused silica compositions for injection molded ceramic cores and methods of making parts using such compositions25 Jun 2024US 12,017,268 B2Chromalloy Gas Turbine Corporation
- Mullite shell systems for investment castings and methods2 Apr 2024US 11,945,024 B2Carbo Ceramics Inc.
- Powder investment casting binder and molds derived therefrom14 Sep 2021US 11,117,186 B2IC Ceramic Consulting, LLC
- Spherical Fused Silica Compositions for Injection Molded Ceramic Cores and Methods of Making Parts Using Such Compositions12 Jun 2025US 2025/0187064 A1Chromalloy Gas Turbine Corporation
- High-inertia Mold Shell for Casting and Preparation Method thereof and Method for Improving Precision of Magnesium Alloy Cast26 Sep 2024US 2024/0316620 A1Dekai Intelligent Casting Co., Ltd
- Mullite shell systems for investment castings and methods15 Aug 2024US 2024/0269732 A1Carbo Ceramics Inc.
- Spherical Fused Silica Compositions for Injection Molded Ceramic Cores and Methods of Making Parts Using Such Compositions26 Oct 2023US 2023/0339013 A1Chromalloy Gas Turbine Corporation
- Method and apparatus for producing casting shell1 Dec 2022US 2022/0379370 A1Hatton Designs of London Limited
Most cited
By later US patents
- Investment casting of golf club heads with high density inserts312US 5,766,091 ASelmet, Inc. · 1998
- Ceramic shell mold39US 4,196,769 ARemet Corporation · 1980
- Yttria-zirconia slurries and mold facecoats for casting reactive metals37US 5,407,001 APrecision Castparts Corp. · 1995
- Method for making ceramic shell molds and cores27US 5,738,819 ARemet Corporation · 1998
- Method for fabricating shell molds for the production of superalloy castings25US 3,933,190 AUnited Technologies Corporation · 1976