B28B 23/0068
Embedding lost cores
Official title: {Embedding lost cores}
B28B23/0068 (Embedding lost cores) appears on 57 US grants and 69 published applications in this corpus.
Search patents in B28B- Granted patents
- 57
- Published applications
- 69
- Assignees
- 42
- Inventors
- 142
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 7 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 3 |
| 2010 | 1 | 5 |
| 2011 | 2 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 5 |
| 2021 | 1 | 2 |
| 2022 | 3 | 8 |
| 2023 | 2 | 1 |
| 2024 | 4 | 5 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for manufacturing in-situ hollow core / hollow core analogue slabs, walls, and columns4 Aug 2026US 12,697,751 B2
- Tilt-up and precast construction panels18 Nov 2025US 12,473,731 B2
- Pre-stressed insulated concrete panels and methods for making and using the same9 Sep 2025US 12,410,614 B2
- Method and system for molded coating on CMC27 May 2025US 12,311,574 B2Rtx Corporation
- Member for semiconductor manufacturing apparatus, method for manufacturing the same, and mold14 Jan 2025US 12,198,965 B2NGK Insulators, Ltd.
- Method and system for molded coating on cmc21 Aug 2025US 2025/0262800 A1Rtx Corporation
- Pre-stressed insulated concrete panels and methods for making and using the same26 Sep 2024US 2024/0318426 A1
- Tilt-up and precast construction panels1 Aug 2024US 2024/0254763 A1
- Recess former and anchor assembly4 Jul 2024US 2024/0217137 A1Leviat Pty Ltd
- Concrete panel assembly system and method of use thereof9 May 2024US 2024/0149493 A1Innovatech Systems, LLC
Most cited
By later US patents
- Composite module with reinforced shell81US 4,229,497 AMaso-Therm Corporation · 1980
- Reinforced structural panel and method of making same32US 5,058,345 A1991
- Sound-attenuating panel32US 5,457,291 A1995
- Apparatus for forming voids under concrete floors21US 6,116,568 AVoid Form International Ltd. · 2000
- Method of forming a concrete block20US 5,186,883 A1993