B01D 21/0069
Making of contact surfaces, structural details, materials therefor
Official title: {Making of contact surfaces, structural details, materials therefor}
B01D21/0069 (Making of contact surfaces, structural details, materials therefor) appears on 138 US grants and 100 published applications in this corpus.
Search patents in B01D- Granted patents
- 138
- Published applications
- 100
- Assignees
- 103
- Inventors
- 251
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 4 | 4 |
| 2009 | 1 | 3 |
| 2010 | 3 | 5 |
| 2011 | 3 | 2 |
| 2012 | 3 | 7 |
| 2013 | 3 | 5 |
| 2014 | 3 | 5 |
| 2015 | 4 | 5 |
| 2016 | 5 | 4 |
| 2017 | 4 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 5 | 7 |
| 2021 | 6 | 8 |
| 2022 | 8 | 7 |
| 2023 | 7 | 7 |
| 2024 | 1 | 4 |
| 2025 | 6 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coalescer plate with phyllotaxis-derived pattern11 Aug 2026US 12,702,938 B2Saudi Arabian Oil Company
- Plate assembly and method of manufacturing for use in water treatment14 Jul 2026US 12,678,714 B2Jim Myers & Sons, Inc.
- Launder cover system30 Dec 2025US 12,508,523 B2
- Separator apparatus and feed arrangement for increased capacity4 Nov 2025US 12,458,980 B2FLSmidth A/S
- Systems, methods, and devices for removing contaminants from stormwater8 Jul 2025US 12,350,606 B2StormTrap LLC
- Plate assembly and method of manufacturing for use in water treatment6 Aug 2026US 2026/0225004 A1Jim Myers & Sons, Inc.
- Methods and kits for removing particles from fluids18 Jun 2026US 2026/0168897 A1Solventum Intellectual Properties Company
- Particle separator system, materials, and methods of use21 May 2026US 2026/0138133 A1
- Plate module of an inclined plate settler16 Apr 2026US 2026/0102718 A1
- UV Mesh Cover for Clarifiers and Systems Thereof25 Dec 2025US 2025/0387734 A1Xylem Water Solutions Zelienople LLC
Most cited
By later US patents
- Separation apparatus and method71US 5,840,198 AInternational Fluid Separation Pty Ltd · 1998
- Method of applying ozone and sonic energy to sterilize and oxidize waste water62US 4,003,832 ATII Corporation · 1977
- Apparatus and methods for separating solids from flowing liquids or gases60US 5,788,848 A1998
- Lamella gravity separator51US 4,889,624 AThe Graver Company · 1989
- Separating device48US 4,202,778 ABallast-Nedam Groep N.V. · 1980