B01D 33/41
In series connection
Official title: in series connection
B01D33/41 (In series connection) appears on 136 US grants and 118 published applications in this corpus.
Search patents in B01D- Granted patents
- 136
- Published applications
- 118
- Assignees
- 77
- Inventors
- 205
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 7 | 6 |
| 2003 | 7 | 6 |
| 2004 | 2 | 5 |
| 2005 | 2 | 4 |
| 2006 | 6 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 3 |
| 2014 | 0 | 9 |
| 2015 | 7 | 7 |
| 2016 | 5 | 6 |
| 2017 | 4 | 9 |
| 2018 | 2 | 6 |
| 2019 | 6 | 3 |
| 2020 | 7 | 8 |
| 2021 | 7 | 7 |
| 2022 | 9 | 4 |
| 2023 | 6 | 7 |
| 2024 | 9 | 2 |
| 2025 | 5 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for ice bath filtering22 Sep 2026US 12,741,241 B2Lowtemp Industries LLC
- Fluid and solid material separator9 Dec 2025US 12,491,456 B2Schlumberger Technology Corporation
- Independent double-negative-pressure shale shaker30 Sep 2025US 12,427,452 B2Southwest Petroleum University
- Multi-structure filtration device for filtering, separating, and dehydrating foreign substances in water18 Mar 2025US 12,251,653 B2
- Filtration container assemblies and methods18 Feb 2025US 12,226,719 B2Grayl Inc.
- Filtration container assemblies and methods15 May 2025US 2025/0153077 A1Grayl Inc.
- Meethod of operating a rake system8 May 2025US 2025/0144550 A1
- Fluid and Solid Material Separator2 Jan 2025US 2025/0001334 A1Schlumberger Technology Corporation
- System and Method for Ice Bath Filtering2 Jan 2025US 2025/0001335 A1Lowtemp Industries LLC
- Filtration container assemblies and methods2 May 2024US 2024/0139657 A1Grayl Inc.
Most cited
By later US patents
- Vibratory screening machine and non-clogging wear-reducing screen assembly therefor125US 5,221,008 ADerrick Manufacturing Corporation · 1993
- Vibrating screen unit78US 5,614,094 ADeister Machine Co., Inc. · 1997
- Undulating screen for vibratory screening machine65US 5,636,749 ADerrick Manufacturing Corporation · 1997
- Vibratory separator screens65US 7,000,777 B2Varco I/P, Inc. · 2006
- Vibratory screening machine58US 6,155,428 ARig Technology Limited · 2000