B28B 7/0008
Venting channels
Official title: {Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding}
B28B7/0008 (Venting channels) appears on 26 US grants and 21 published applications in this corpus.
Search patents in B28B- Granted patents
- 26
- Published applications
- 21
- Assignees
- 20
- Inventors
- 63
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 4 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Mold core7 Oct 2025US 12,434,406 B2Besser Company
- Method and system for molded coating on CMC27 May 2025US 12,311,574 B2Rtx Corporation
- Tool and method for manufacturing a composite-material part by means of a liquid process24 Dec 2024US 12,172,339 B2Safran Ceramics
- Method and device for removal of items from a mold31 Oct 2023US 11,801,615 B2
- Method of forming a waffle slab with concrete surfaces that do not require polishing15 Dec 2020US 10,864,654 B2Ruentex Engineering & Construction Co., Ltd.
- Mold core20 Nov 2025US 2025/0353211 A1Besser Company
- Method and system for molded coating on cmc21 Aug 2025US 2025/0262800 A1Rtx Corporation
- Mold core9 Nov 2023US 2023/0356431 A1Besser Company
- Method and system for molded coating on cmc22 Sep 2022US 2022/0297345 A1Raytheon Technologies Corporation
- Tool and method for manufacturing a composite-material part by means of a liquid process20 Jan 2022US 2022/0016801 A1Safran Ceramics
Most cited
By later US patents
- Method of manufacturing dry-pressed molded articles43US 4,473,526 AEugen Buhler · 1984
- Method for producing a durable tactile warning surface34US 5,320,790 A1994
- Variable wall concrete molding machine26US 6,086,349 A2000
- Variable wall concrete molding machine25US 6,086,350 A2000
- Method and device for a flexible liner for a cementitious vault wall22US 6,202,370 B12001