B28B 7/36
Linings or coatings
Official title: Linings or coatings, {e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article}(lubricating surfaces of moulds, cores or mandrels B28B7/38)
B28B7/36 (Linings or coatings) appears on 210 US grants and 194 published applications in this corpus.
Search patents in B28B- Granted patents
- 210
- Published applications
- 194
- Assignees
- 142
- Inventors
- 405
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 3 |
| 2002 | 4 | 2 |
| 2003 | 1 | 6 |
| 2004 | 6 | 3 |
| 2005 | 3 | 10 |
| 2006 | 1 | 10 |
| 2007 | 3 | 5 |
| 2008 | 1 | 11 |
| 2009 | 3 | 14 |
| 2010 | 4 | 7 |
| 2011 | 3 | 9 |
| 2012 | 8 | 6 |
| 2013 | 1 | 12 |
| 2014 | 8 | 7 |
| 2015 | 3 | 8 |
| 2016 | 5 | 8 |
| 2017 | 5 | 13 |
| 2018 | 6 | 5 |
| 2019 | 12 | 13 |
| 2020 | 5 | 5 |
| 2021 | 8 | 8 |
| 2022 | 1 | 8 |
| 2023 | 1 | 4 |
| 2024 | 9 | 6 |
| 2025 | 4 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mold and construction panel manufacturing method using same16 Jun 2026US 12,654,357 B2University of Seoul Industry Cooperation Foundation
- Targeted ceramic casting core inhomogeneity12 May 2026US 12,623,373 B2Rtx Corporation
- Highly-insulated ingot mold28 Apr 2026US 12,611,795 B2HarbisonWalker International Holdings, Inc.
- Delivery device for concrete admixtures and process for retarding the setting of surface portion of concrete28 Apr 2026US 12,611,796 B2
- Method and casting mold, in particular for use in cold casting methods21 Apr 2026US 12,605,865 B2Voxeljet AG
- Targeted Ceramic Casting Core Inhomogeneity6 Aug 2026US 2026/0225282 A1Rtx Corporation
- Highly-insulated ingot mold6 Aug 2026US 2026/0225283 A1HarbisonWalker International Holdings, Inc.
- Plastic encased carbonaceous foam mandrel and method16 Apr 2026US 2026/0102941 A1Rtx Corporation
- Release film and method for manufacturing multilayer electronic component using the same12 Mar 2026US 2026/0070259 A1Samsung Electro-Mechanics Co., Ltd.
- Seamless form system for stacked pottery forms28 Aug 2025US 2025/0269556 A1The Pottery Toolkit LLC.
Most cited
By later US patents
- Paving stone, process for manufacturing same and device for carrying out the manufacturing process99US 4,627,764 A1986
- Thin decorative cementitious veneers and a method for making same71US 4,420,525 A1983
- Moulded product67US 4,497,662 A1985
- Mold box apparatus49US 4,218,206 A1980
- Concrete form shuttering having double woven fabric covering49US 4,856,754 AKabushiki Kaisha Kumagaigumi · 1989