B28B 7/38
Treating surfaces of moulds, cores, or mandrels to prevent sticking
B28B7/38 (Treating surfaces of moulds, cores, or mandrels to prevent sticking) appears on 129 US grants and 118 published applications in this corpus.
Search patents in B28B- Granted patents
- 129
- Published applications
- 118
- Assignees
- 103
- Inventors
- 297
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 2 |
| 2003 | 3 | 5 |
| 2004 | 4 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 7 |
| 2007 | 4 | 9 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 6 | 14 |
| 2011 | 4 | 2 |
| 2012 | 4 | 7 |
| 2013 | 5 | 6 |
| 2014 | 5 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 4 |
| 2017 | 3 | 6 |
| 2018 | 4 | 4 |
| 2019 | 2 | 7 |
| 2020 | 4 | 4 |
| 2021 | 3 | 3 |
| 2022 | 0 | 7 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 4 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a lightweight veneer system9 Jun 2026US 12,649,288 B2
- Method and casting mold, in particular for use in cold casting methods21 Apr 2026US 12,605,865 B2Voxeljet AG
- Freestanding ceramic tile manufacture10 Feb 2026US 12,545,986 B2ROLLS-ROYCE plc
- Nozzle of auto-agitating type 3D printer for construction23 Sep 2025US 12,420,447 B2Samsung E&A Co., Ltd.
- Building material manufacturing apparatus11 Mar 2025US 12,246,469 B2Nichiha Corporation
- Pottery tool2 Oct 2025US 2025/0303611 A1
- Mold release for engineered stone and other mold release applications2 Oct 2025US 2025/0303612 A1Sekisui Specialty Chemicals America, LLC
- Device for producing molded concrete blocks, and method for producing molded concrete blocks28 Aug 2025US 2025/0269557 A1KOBRA Formen GmbH
- Lightweight veneer system and method21 Aug 2025US 2025/0262799 A1Wish Stone LLC
- Method, plant and molds for forming slabs of agglomerate13 Mar 2025US 2025/0083356 A1
Most cited
By later US patents
- Mold for making a masonry block58US 7,140,867 B2Anchor Wall Systems, Inc. · 2006
- Process for slip casting textured tubular structures50US 6,335,065 B12002
- Concrete block and method of making same49US 7,208,112 B2Anchor Wall Systems, Inc. · 2007
- Method and apparatus for forming walkways having detectable warning surfaces44US 5,271,690 AStampcrete International Ltd. · 1993
- Inorganic binders employing waste glass43US 6,296,699 B12001