B29C 43/3642
Bags, bleeder sheets or cauls for isostatic pressing
Official title: {Bags, bleeder sheets or cauls for isostatic pressing}
B29C43/3642 (Bags, bleeder sheets or cauls for isostatic pressing) appears on 817 US grants and 668 published applications in this corpus.
Search patents in B29C- Granted patents
- 817
- Published applications
- 668
- Assignees
- 388
- Inventors
- 1,565
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 21 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 22 | 0 |
| 1995 | 17 | 0 |
| 1996 | 16 | 0 |
| 1997 | 24 | 0 |
| 1998 | 28 | 0 |
| 1999 | 12 | 0 |
| 2000 | 22 | 0 |
| 2001 | 22 | 6 |
| 2002 | 22 | 13 |
| 2003 | 13 | 22 |
| 2004 | 18 | 24 |
| 2005 | 12 | 18 |
| 2006 | 25 | 20 |
| 2007 | 7 | 33 |
| 2008 | 13 | 31 |
| 2009 | 5 | 33 |
| 2010 | 15 | 41 |
| 2011 | 26 | 30 |
| 2012 | 36 | 30 |
| 2013 | 22 | 19 |
| 2014 | 22 | 17 |
| 2015 | 22 | 25 |
| 2016 | 17 | 23 |
| 2017 | 13 | 17 |
| 2018 | 17 | 15 |
| 2019 | 25 | 33 |
| 2020 | 16 | 37 |
| 2021 | 31 | 37 |
| 2022 | 33 | 47 |
| 2023 | 35 | 32 |
| 2024 | 43 | 30 |
| 2025 | 20 | 17 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 2043/3644Vacuum bagsIndexing code290
- B29C 2043/3649Inflatable bladders using gas or fluid and related detailsIndexing code169
- B29C 2043/3652Elastic moulds or mould partsIndexing code114
- B29C 2043/3655Pressure transmittersIndexing code86
- B29C 2043/3647Membranes, diaphragmsIndexing code75
- B29C 2043/3657Additional materialsIndexing code38
Recent patents
- Scrolls that vacuum secure objects to complex surfaces25 Aug 2026US 12,715,181 B2The Boeing Company
- Integrated caul with elastomeric seals18 Aug 2026US 12,709,076 B2The Boeing Company
- Tooling element and methods for forming and using same11 Aug 2026US 12,703,124 B2Rohr, Inc.
- Composite structures and methods of forming composite structures11 Aug 2026US 12,703,158 B2Astro Tech Co., Ltd.
- Method and device for producing an edgefold9 Jun 2026US 12,649,266 B2International Automotive Components Group North America, Inc.
- Processing device and processing method6 Aug 2026US 2026/0225305 A1Mitsubishi Heavy Industries, Ltd.
- Leak detection method with time delay for detecting a leak that affects a tire curing membrane or the inflation circuit thereof30 Jul 2026US 2026/0219126 A1Compagnie Generale Des Etablissements Michelin
- Systems and methods for processing materials using expandable tooling23 Jul 2026US 2026/0208403 A1The Boeing Company
- Forming method, forming apparatus, and article manufacturing method23 Jul 2026US 2026/0208404 A1Canon Kabushiki Kaisha
- Portable fabrication systems and methods using expandable tooling23 Jul 2026US 2026/0208451 A1The Boeing Company
Most cited
By later US patents
- Multilayer golf ball433US 5,688,191 AAcushnet Company · 1997
- Method of making a golf ball with a multi-layer core256US 6,056,842 AAcushnet Company · 2000
- Vacuum resin impregnation process229US 4,942,013 AMcDonnell Douglas Corporation · 1990
- Multi-layer golf ball and composition210US 5,965,669 AAcushnet Company · 1999
- Disposable knee mold198US 6,942,475 B2Ortho Development Corporation · 2005