B01D 2313/02
Specific tightening or locking mechanisms
B01D2313/02 (Specific tightening or locking mechanisms) appears on 346 US grants and 417 published applications in this corpus.
Search patents in B01D- Granted patents
- 346
- Published applications
- 417
- Assignees
- 283
- Inventors
- 990
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 8 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 0 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 10 |
| 2006 | 4 | 5 |
| 2007 | 0 | 16 |
| 2008 | 4 | 14 |
| 2009 | 10 | 12 |
| 2010 | 9 | 16 |
| 2011 | 7 | 17 |
| 2012 | 11 | 22 |
| 2013 | 6 | 17 |
| 2014 | 12 | 15 |
| 2015 | 20 | 25 |
| 2016 | 11 | 20 |
| 2017 | 20 | 22 |
| 2018 | 17 | 18 |
| 2019 | 13 | 26 |
| 2020 | 21 | 21 |
| 2021 | 19 | 32 |
| 2022 | 17 | 24 |
| 2023 | 26 | 18 |
| 2024 | 15 | 23 |
| 2025 | 18 | 14 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hollow fiber membrane cartridge1 Sep 2026US 12,722,123 B2Kolon Industries, Inc.
- Rain water collection, filtration, and life boat system25 Aug 2026US 12,715,792 B2Intergalactic Services 24/7, LLC
- Humidifying device having channel plates and channel plate for humidifying device25 Aug 2026US 12,719,067 B2Mann+Hummel GmbH
- Filter apparatus with vented core, electrostatic discharge mitigation, or both18 Aug 2026US 12,708,867 B2Entegris, Inc.
- Cell retention device18 Aug 2026US 12,708,876 B2Sunflower Therapeutics, PBC
- Filtration manifold with integrated bypass8 Oct 2026US 2026/0307010 A1Midea Group Co., Ltd.
- Dual-layer hollow fibre membrane27 Aug 2026US 2026/0249249 A1Divigas Pet Ltd
- Multi-element membrane assembly for selective carbon capture6 Aug 2026US 2026/0225041 A1Valero Services, Inc.
- Retention apparatus for membrane chromatography units30 Jul 2026US 2026/0216620 A1Cytiva BioProcess R&D AB
- Integrated pre-filter for uf/mf membrane system30 Jul 2026US 2026/0216654 A1
Most cited
By later US patents
- Hollow fiber membrane module124US 5,480,553 AMitsubishi Rayon Co., Ltd. · 1996
- Membrane separator assembly and method of cleaning the assembly utilizing gas diffuser underneath the assembly110US 6,280,626 B1Mitshubishi Rayon Engineering Co., Ltd. · 2001
- Device for transfer of medical substance106US 4,689,149 ATerumo Kabushiki Kaisha · 1987
- Variable volume filter or concentrator98US 4,793,932 AMemtec Limited · 1988
- Device and method for positioning a detonator within a perforating gun assembly92US 10,188,990 B2DynaEnergetics GmbH & Co. KG · 2019