B01D 46/0036
By adsorption or absorption
Official title: {by adsorption or absorption}
B01D46/0036 (By adsorption or absorption) appears on 615 US grants and 805 published applications in this corpus.
Search patents in B01D- Granted patents
- 615
- Published applications
- 805
- Assignees
- 456
- Inventors
- 1,844
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 4 |
| 2002 | 13 | 17 |
| 2003 | 11 | 17 |
| 2004 | 23 | 13 |
| 2005 | 9 | 16 |
| 2006 | 8 | 27 |
| 2007 | 10 | 20 |
| 2008 | 7 | 15 |
| 2009 | 16 | 18 |
| 2010 | 11 | 17 |
| 2011 | 13 | 12 |
| 2012 | 13 | 13 |
| 2013 | 4 | 9 |
| 2014 | 15 | 21 |
| 2015 | 11 | 26 |
| 2016 | 24 | 34 |
| 2017 | 29 | 51 |
| 2018 | 24 | 43 |
| 2019 | 43 | 50 |
| 2020 | 44 | 41 |
| 2021 | 30 | 84 |
| 2022 | 40 | 58 |
| 2023 | 41 | 52 |
| 2024 | 33 | 56 |
| 2025 | 35 | 45 |
| 2026 | 17 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter unit with a filter block, a damping layer and a housing, and process of manufacturing such a filter unit6 Oct 2026US 12,752,136 B2Dräger Safety AG & Co. KGaA
- Personal protective anti-viral face mask15 Sep 2026US 12,734,378 B2lowa State University Research Foundation, Inc.
- Integrated process and system for measurement and treatment of toxic gases in deep natural gas28 Jul 2026US 12,692,452 B2PetroChina Company Limited
- Self-actuated cleaning head for an autonomous vacuum21 Jul 2026US 12,685,418 B2Matic Robots, Inc.
- Taking up system and process with a filter unit for the receiving of gas from a medical apparatus21 Jul 2026US 12,685,836 B2Drägerwerk AG & Co. KGaA
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Automotive air filters with hydrocarbon-absorbing media8 Oct 2026US 2026/0306983 A1
- Gas processing device and gas production method8 Oct 2026US 2026/0307003 A1Hirata Corporation
- Adsorbent filter assembly1 Oct 2026US 2026/0295488 A1Donaldson Company, Inc.
- Generation and utilization of ammoniated water in gasification1 Oct 2026US 2026/0297445 A1SunGas Renewables, Inc.
Most cited
By later US patents
- Medical/surgical waste collection unit including waste containers of different storage volumes with inter-container transfer valve and independently controlled vacuum levels332US 7,621,898 B2Stryker Corporation · 2009
- Medical/surgical waste collection and disposal system including a rover and a docker, the docker having features facilitating the alignment of the docker with the rover285US 8,740,866 B2Stryker Corporation · 2014
- Wick and relief valve for disposable laparoscopic smoke evacuation system269US 9,011,366 B2Buffalo Filter LLC · 2015
- Fluid filtration device and system265US 9,867,914 B2Buffalo Filter LLC · 2018
- Medical/surgical waste collection portable rover capable of zero setting a float used to measure the volume of liquid in a waste container259US 10,343,102 B2Stryker Corporation · 2019