B01D 2313/2011
Pressure vessels
B01D2313/2011 (Pressure vessels) appears on 82 US grants and 107 published applications in this corpus.
Search patents in B01D- Granted patents
- 82
- Published applications
- 107
- Assignees
- 83
- Inventors
- 220
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 4 | 2 |
| 2011 | 0 | 5 |
| 2012 | 1 | 6 |
| 2013 | 1 | 7 |
| 2014 | 4 | 5 |
| 2015 | 3 | 6 |
| 2016 | 2 | 2 |
| 2017 | 6 | 8 |
| 2018 | 4 | 9 |
| 2019 | 4 | 7 |
| 2020 | 5 | 2 |
| 2021 | 3 | 12 |
| 2022 | 6 | 12 |
| 2023 | 6 | 4 |
| 2024 | 5 | 2 |
| 2025 | 9 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stackable and adjustable membrane module18 Aug 2026US 12,708,877 B2Ultressa LLC
- Closing system for a container of a filtering device23 Dec 2025US 12,502,642 B2Fil.Tech Srl
- High-pressure vessel for packaging hollow fiber type membranes for the separation process with contactors23 Dec 2025US 12,502,643 B2Petroleo Brasileiro S.A. - Petrobras
- Stack assembly21 Oct 2025US 12,447,443 B2Redstack B.V.
- Membrane humidifier for fuel cell17 Jun 2025US 12,334,604 B2Kolon Industries, Inc.
- Low pressure membrane vessel29 Jan 2026US 2026/0027523 A1Relco, Inc.
- Membrane humidifier for fuel cell4 Sep 2025US 2025/0279447 A1Kolon Industries, Inc.
- Permeate conduit segment for reverse osmosis process andflexible conduit segment for water treatment facility28 Aug 2025US 2025/0270116 A1H2O Innovation Inc.
- Flow distributor for batch or semi-batch hyperfiltration system10 Apr 2025US 2025/0114745 A1
- A filter-box and a retrievable subsea filter module with a filter-box13 Jun 2024US 2024/0189773 A1Waterise AS
Most cited
By later US patents
- Hollow filament separatory module and method of fabrication44US 4,207,192 AAlbany International Corp. · 1980
- Water purification system44US 4,711,723 ANimbus Water Systems, Inc. · 1987
- Portable water purification system42US 4,609,466 A1986
- Reverse-osmosis apparatus for producing fresh water from seawater35US 4,452,696 A1984
- Multiple stage countercurrent hollow fiber membrane module29US 5,288,308 AAir Products and Chemicals, Inc. · 1994