B30B 9/22
Using a flexible member
Official title: using a flexible member, e.g. diaphragm, urged by fluid pressure
B30B9/22 (Using a flexible member) appears on 105 US grants and 40 published applications in this corpus.
Search patents in B30B- Granted patents
- 105
- Published applications
- 40
- Assignees
- 64
- Inventors
- 158
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 3 | 5 |
| 2016 | 1 | 3 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 4 |
| 2020 | 4 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Juicing27 Jan 2026US 12,532,980 B2Citring Universal, S.L.
- Intelligent fecal solid-liquid separator for cattle mattress bedding material production system and operating method thereof23 Sep 2025US 12,420,510 B2
- Modular press5 Nov 2024US 12,134,243 B2Willmes Anlagentechnik GmbH
- Arrangement for pressing liquid-containing raw materials, having a flexible press container5 Dec 2023US 11,833,773 B2Willmes Anlagentechnik GmbH
- Citrus juicer comprising a membrane14 Jun 2022US 11,357,253 B2
- An automatic fruit squeezing machine and a membrane arrangement for an automatic fruit squeezing machine23 Apr 2026US 2026/0108095 A1Reenginy Tecnologia Sl
- Extraction of organics from waste material2 Jan 2025US 2025/0001475 A1Anaergia Inc.
- Intelligent fecal solid-liquid separator for cattle mattress bedding material production system and operating method thereof5 Dec 2024US 2024/0399696 A1Hangzhou Vocational and Technical College
- System and method for optimizing juice press cut production2 May 2024US 2024/0138464 A1G3 Enterprises, Inc.
- Citrus press with an inflatable membrane including a movable cannula4 Jan 2024US 2024/0000257 A1
Most cited
By later US patents
- Method and apparatus for the continuous filtration of material impregnated with liquid30US 4,153,550 ASociete Nouvelle des Filtres Philippe · 1979
- Tube pressure filters24US 4,146,485 AEnglish Clays Lovering Pochin & Company Limited · 1979
- Method for controlling or regulating the pressing pressure for the separation of solids and liquids24US 5,613,434 ABucher-Guyer AG Maschinenfabrik · 1997
- Dewatering machine20US 4,008,158 AEnvirotech Corporation · 1977
- Press for expressing liquids from substances containing them, especially musts20US 4,872,404 AVetter Maschinenfabrik GmbH · 1989