B08B 7/0021
Cleaning by methods not provided for in a single other subclass or
Official title: {by liquid gases or supercritical fluids}
B08B7/0021 (Cleaning by methods not provided for in a single other subclass or) appears on 374 US grants and 466 published applications in this corpus.
Search patents in B08B- Granted patents
- 374
- Published applications
- 466
- Assignees
- 204
- Inventors
- 910
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 8 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 3 |
| 2002 | 14 | 21 |
| 2003 | 18 | 29 |
| 2004 | 17 | 59 |
| 2005 | 24 | 32 |
| 2006 | 15 | 39 |
| 2007 | 14 | 26 |
| 2008 | 11 | 12 |
| 2009 | 17 | 14 |
| 2010 | 7 | 6 |
| 2011 | 7 | 11 |
| 2012 | 5 | 10 |
| 2013 | 6 | 17 |
| 2014 | 6 | 14 |
| 2015 | 7 | 11 |
| 2016 | 11 | 13 |
| 2017 | 7 | 17 |
| 2018 | 8 | 21 |
| 2019 | 16 | 14 |
| 2020 | 18 | 21 |
| 2021 | 12 | 14 |
| 2022 | 12 | 11 |
| 2023 | 12 | 10 |
| 2024 | 12 | 14 |
| 2025 | 11 | 22 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Substrate processing apparatus and substrate processing system28 Jul 2026US 12,691,481 B2SCREEN Holdings Co., Ltd.
- Processing chamber cleaning method, cleaning attachment and substrate processing system30 Jun 2026US 12,667,867 B2SCREEN Holdings Co., Ltd.
- Substrate processing apparatus and substrate processing method28 Apr 2026US 12,615,986 B2SCREEN Holdings Co., Ltd.
- Substrate processing apparatus using supercritical fluid and driving method thereof14 Apr 2026US 12,599,938 B2Samsung Electronics Co., Ltd.
- Device for generating a CO2 snow jet13 Jan 2026US 12,521,741 B2ACP Systems LTD
- Substrate processing apparatus using supercritical fluid23 Jul 2026US 2026/0208238 A1Samsung Electronics Co., Ltd.
- Method for processing substrate2 Apr 2026US 2026/0091417 A1Tokyo Electron Limited
- Superheated steam desiccator with depressurized flow for agricultural, commercial and residential applications26 Mar 2026US 2026/0083115 A1
- Method for treating personal protective equipment5 Feb 2026US 2026/0035852 A1Cool Clean Technologies, Inc.
- Method and facility for treating human or animal tissue by dynamically circulating an additive-containing supercritical fluid15 Jan 2026US 2026/0014286 A1Biobank Co., Ltd.
Most cited
By later US patents
- Surface cleaning using a cryogenic aerosol209US 5,062,898 AAir Products and Chemicals, Inc. · 1991
- Cleaning process using phase shifting of dense phase gases198US 5,013,366 AHughes Aircraft Company · 1991
- Surface cleaning using an argon or nitrogen aerosol198US 5,294,261 AAir Products and Chemicals, Inc. · 1994
- Methods for cleaning apparatus using compressed fluids173US 5,306,350 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Liquid/supercritical carbon dioxide dry cleaning system146US 5,267,455 AThe Clorox Company · 1993