F16F 9/04
In a chamber with a flexible wall
Official title: in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)}
F16F9/04 (In a chamber with a flexible wall) appears on 805 US grants and 745 published applications in this corpus.
Search patents in F16F- Granted patents
- 805
- Published applications
- 745
- Assignees
- 310
- Inventors
- 1,190
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 16 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 19 | 6 |
| 2002 | 32 | 29 |
| 2003 | 22 | 26 |
| 2004 | 21 | 37 |
| 2005 | 18 | 19 |
| 2006 | 10 | 32 |
| 2007 | 16 | 23 |
| 2008 | 12 | 36 |
| 2009 | 10 | 18 |
| 2010 | 16 | 26 |
| 2011 | 22 | 19 |
| 2012 | 17 | 22 |
| 2013 | 19 | 27 |
| 2014 | 19 | 53 |
| 2015 | 37 | 46 |
| 2016 | 45 | 48 |
| 2017 | 46 | 30 |
| 2018 | 35 | 42 |
| 2019 | 32 | 33 |
| 2020 | 40 | 46 |
| 2021 | 24 | 29 |
| 2022 | 27 | 21 |
| 2023 | 24 | 29 |
| 2024 | 17 | 20 |
| 2025 | 17 | 14 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16F 9/05The flexible wall being of the rolling diaphragm type382
- F16F 9/0454Characterised by the assembling method or by the mounting arrangement205
- F16F 9/0472Characterised by comprising a damping device132
- F16F 9/049Multi-chamber units97
- F16F 9/0409Characterised by the wall structure96
- F16F 9/0418Having a particular shape46
- F16F 9/0445Characterised by intermediate rings or other not embedded reinforcing elements26
- F16F 9/0436Characterised by being contained in a generally closed space23
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Most cited
By later US patents
- Load carrying cushioning device with improved barrier material for control of diffusion pumping437US 5,042,176 ARobert C. Bogert · 1991
- Pressurizable envelope and method317US 4,906,502 A1990
- Pressurizable envelope and method294US 5,543,194 A1996
- Pressurizable envelope and method284US 5,083,361 A1992
- Cushioning structure215US 5,518,802 A1996