B28B 7/342
Which are at least partially destroyed
Official title: {which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not}
B28B7/342 (Which are at least partially destroyed) appears on 219 US grants and 197 published applications in this corpus.
Search patents in B28B- Granted patents
- 219
- Published applications
- 197
- Assignees
- 151
- Inventors
- 520
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 4 |
| 2003 | 3 | 5 |
| 2004 | 1 | 9 |
| 2005 | 1 | 12 |
| 2006 | 3 | 8 |
| 2007 | 4 | 7 |
| 2008 | 3 | 4 |
| 2009 | 3 | 2 |
| 2010 | 7 | 5 |
| 2011 | 4 | 7 |
| 2012 | 2 | 5 |
| 2013 | 3 | 11 |
| 2014 | 6 | 2 |
| 2015 | 5 | 7 |
| 2016 | 3 | 18 |
| 2017 | 4 | 9 |
| 2018 | 6 | 11 |
| 2019 | 10 | 14 |
| 2020 | 8 | 8 |
| 2021 | 11 | 13 |
| 2022 | 3 | 8 |
| 2023 | 6 | 8 |
| 2024 | 6 | 9 |
| 2025 | 3 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Formulations for additive manufacturing of three-dimensional objects containing sinterable materials4 Aug 2026US 12,697,750 B2Tritone Technologies Ltd.
- Needled ceramic matrix composite cooling passages4 Aug 2026US 12,698,718 B2Rtx Corporation
- Needled ceramic matrix composite cooling passages10 Mar 2026US 12,570,580 B2Rtx Corporation
- Method for manufacturing building elements14 Oct 2025US 12,441,026 B2Ekotekt AB
- Additive manufacture-assisted method for making structural elements having controlled failure characteristics15 Jul 2025US 12,358,225 B2Saudi Arabian Oil Company
- Plastic encased carbonaceous foam mandrel and method16 Apr 2026US 2026/0102941 A1Rtx Corporation
- Core resin26 Mar 2026US 2026/0085169 A1Sekisui Chemical Co., Ltd.
- Systems and methods for production of readily compressible dies for enhanced sintering of solids1 Jan 2026US 2026/0001253 A1Lawrence Livermore National Security, LLC
- Cores for ceramic matrix composite components9 Oct 2025US 2025/0312943 A1Rtx Corporation
- Silicon consumable core for internal features in reaction bonded ceramics18 Sep 2025US 2025/0289762 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Method for producing granulated material182US 6,210,625 B1Mikuni Corporation · 2001
- Methods and apparatus for computer-assisted spray foam fabrication129US 9,566,742 B2Massachusetts Institute of Technology · 2017
- Methods and apparatus for computer-assisted spray foam fabrication120US 10,189,187 B2Massachusetts Institute of Technology · 2019
- Method of hot consolidating powder with a recyclable container material107US 4,341,557 AKelsey-Hayes Company · 1982
- Method of improving characteristics of a moulded body84US 4,923,665 AAktieselskabet Aalborg Portland-Cement-Fabrik · 1990