B01D 29/216
With wound sheets
Official title: {with wound sheets}
B01D29/216 (With wound sheets) appears on 125 US grants and 76 published applications in this corpus.
Search patents in B01D- Granted patents
- 125
- Published applications
- 76
- Assignees
- 74
- Inventors
- 252
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 4 |
| 2004 | 0 | 6 |
| 2005 | 4 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 6 |
| 2009 | 0 | 2 |
| 2010 | 1 | 5 |
| 2011 | 4 | 4 |
| 2012 | 8 | 7 |
| 2013 | 2 | 3 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 5 |
| 2019 | 3 | 7 |
| 2020 | 3 | 4 |
| 2021 | 5 | 2 |
| 2022 | 3 | 3 |
| 2023 | 0 | 2 |
| 2024 | 0 | 3 |
| 2025 | 1 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter element with flow directing permeability layers12 May 2026US 12,623,166 B2Atmus Filtration Inc.
- Element of, cartridge and container with, filter for slurry10 Mar 2026US 12,569,790 B2Roki Techno Co., Ltd.
- Separation component for a filter element10 Feb 2026US 12,544,704 B2Mann+Hummel GmbH
- High rejection spiral wound elements with protective features29 Apr 2025US 12,285,727 B2Aqua Membranes Inc.
- Non-metallic laterals for filtration and water treatment20 Sep 2022US 11,446,591 B2Saudi Arabian Oil Company
- Spiral Element Construction Yielding Enhanced Capacity26 Dec 2024US 2024/0424448 A1Aqua Membranes Inc.
- High rejection spiral wound elements with protective features24 Oct 2024US 2024/0350978 A1Aqua Membranes Inc.
- Filter11 Jul 2024US 2024/0226780 A13M Innovative Properties Company
- Depth filter20 Jul 2023US 2023/0226473 A1Jnc Corporation
- Element of, cartridge and container with, filter for slurry1 Jun 2023US 2023/0166204 A1Roki Techno Co., Ltd.
Most cited
By later US patents
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- Deformable well screen218US 6,012,522 AShell Oil Company · 2000
- Antimicrobial filter cartridge129US 5,868,933 A1999
- Filter for subterranean wells109US 5,664,628 APall Corporation · 1997
- Seamless tubular nonwoven webs and filters thereof65US 4,032,688 APall Corporation · 1977