B01D 47/06
Spray cleaning
B01D47/06 (Spray cleaning) appears on 777 US grants and 604 published applications in this corpus.
Search patents in B01D- Granted patents
- 777
- Published applications
- 604
- Assignees
- 533
- Inventors
- 1,716
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 18 | 0 |
| 1978 | 17 | 0 |
| 1979 | 15 | 0 |
| 1980 | 19 | 0 |
| 1981 | 22 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 4 |
| 2002 | 7 | 14 |
| 2003 | 18 | 16 |
| 2004 | 10 | 13 |
| 2005 | 8 | 17 |
| 2006 | 12 | 19 |
| 2007 | 5 | 15 |
| 2008 | 3 | 17 |
| 2009 | 8 | 13 |
| 2010 | 13 | 17 |
| 2011 | 13 | 19 |
| 2012 | 8 | 18 |
| 2013 | 21 | 16 |
| 2014 | 18 | 19 |
| 2015 | 21 | 29 |
| 2016 | 20 | 24 |
| 2017 | 20 | 20 |
| 2018 | 19 | 26 |
| 2019 | 27 | 40 |
| 2020 | 23 | 34 |
| 2021 | 36 | 48 |
| 2022 | 35 | 42 |
| 2023 | 31 | 34 |
| 2024 | 33 | 30 |
| 2025 | 27 | 41 |
| 2026 | 18 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust system and exhaust method using buffer29 Sep 2026US 12,746,501 B2Samsung Electronics Co., Ltd.
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Method of recycling helium from waste gas in semiconductor process1 Sep 2026US 12,722,973 B2Samsung Electronics Co., Ltd.
- Semiconductor waste gas treatment system and moisture-gas separator of the same21 Jul 2026US 12,685,957 B2Highlight Tech Corp.
- Device for capturing oily emissions2 Jun 2026US 12,644,600 B2
- Environmentally friendly dust and airborne particulate elimination and control composition and distribution system8 Oct 2026US 2026/0306987 A1
- Biomass gasification gas treatment apparatus13 Aug 2026US 2026/0234484 A1Biomass Energy Corporation
- Automatic proportioning and spary system of compound ultra-fine dust capture agent30 Jul 2026US 2026/0216631 A1Anhui University of Science and Technology
- Scrubbing apparatus9 Jul 2026US 2026/0192234 A1
- Integrated devices for drying organic solid wastes and extracting metals and methods thereof9 Jul 2026US 2026/0193540 A1Harbin Normal University
Most cited
By later US patents
- Purifier for the physical-chemical treatment of combustion gases and other gases containing polluting or noxious constituents111US 3,933,450 A1976
- Heterogeneous reactor104US 4,744,958 A1988
- Process for treating stack gases102US 4,369,167 A1983
- Condensation cleaning of particulate laden gases90US 4,284,609 AQuad Environmental Technologies Corp. · 1981
- Process and apparatus for mass transfer between liquid and gaseous media83US 5,387,376 AGalipag · 1995