B29C 51/28
For applying pressure through the wall of an inflated bag or diaphragm
Official title: for applying pressure through the wall of an inflated bag or diaphragm
B29C51/28 (For applying pressure through the wall of an inflated bag or diaphragm) appears on 87 US grants and 92 published applications in this corpus.
Search patents in B29C- Granted patents
- 87
- Published applications
- 92
- Assignees
- 84
- Inventors
- 242
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 0 | 5 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 10 |
| 2010 | 4 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 4 | 5 |
| 2014 | 5 | 1 |
| 2015 | 3 | 7 |
| 2016 | 1 | 1 |
| 2017 | 4 | 7 |
| 2018 | 3 | 4 |
| 2019 | 4 | 4 |
| 2020 | 2 | 2 |
| 2021 | 7 | 8 |
| 2022 | 2 | 5 |
| 2023 | 7 | 5 |
| 2024 | 4 | 4 |
| 2025 | 1 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite structures and methods of forming composite structures11 Aug 2026US 12,703,158 B2Astro Tech Co., Ltd.
- Membrane device for manufacturing crash pad for vehicle including real wood sheet and method of manufacturing crash pad for vehicle including real wood sheet using membrane device12 May 2026US 12,623,446 B2Hyundai Mobis Co., Ltd.
- Membrane device for manufacturing crash pad for vehicle including real wood sheet and method of manufacturing crash pad for vehicle including real wood sheet using membrane device10 Mar 2026US 12,570,081 B2Hyundai Mobis Co., Ltd.
- Vacuum forming process21 Jan 2025US 12,202,189 B2Acell Industries Limited
- Constrained forming of contoured composite hat stringers27 Aug 2024US 12,070,892 B2The Boeing Company
- Tool For Manufacturing A Thermoformed Fiber Composite Component18 Jun 2026US 2026/0166804 A1Premium Aerotec GmbH
- Monocoque paddles1 Jan 2026US 2026/0000949 A1Selkirk Sport, LLC
- Flexible tube element4 Dec 2025US 2025/0367869 A1
- Method and apparatus for making a container12 Jun 2025US 2025/0187251 A1G. Mondini S. P. A
- Method and apparatus for making an outer skeleton of a container12 Jun 2025US 2025/0187254 A1G. Mondini S. P. A
Most cited
By later US patents
- Forming fibre-plastics composites103US 4,657,717 AAlcan International Limited · 1987
- Heat bonding device64US 3,964,958 A1976
- Fabricating shaped laminated transparencies54US 4,504,341 APPG Industries, Inc. · 1985
- Methods and apparatus for forming molded thermal plastic polymer components53US 8,673,106 B1Bounce Composites, LLC · 2014
- Method of making a foam plastic cushion having a peripheral frame and an exterior cover45US 4,116,736 AThe Upjohn Company · 1978