B08B 7/04
Cleaning by methods not provided for in a single other subclass or
Official title: by a combination of operations
B08B7/04 (Cleaning by methods not provided for in a single other subclass or) appears on 376 US grants and 497 published applications in this corpus.
Search patents in B08B- Granted patents
- 376
- Published applications
- 497
- Assignees
- 285
- Inventors
- 1,118
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 6 |
| 2013 | 0 | 20 |
| 2014 | 6 | 19 |
| 2015 | 11 | 20 |
| 2016 | 15 | 20 |
| 2017 | 28 | 29 |
| 2018 | 14 | 32 |
| 2019 | 15 | 45 |
| 2020 | 35 | 58 |
| 2021 | 36 | 58 |
| 2022 | 38 | 35 |
| 2023 | 45 | 46 |
| 2024 | 41 | 46 |
| 2025 | 31 | 27 |
| 2026 | 27 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reprocessing a single-use medical device22 Sep 2026US 12,741,045 B2Innovative Health
- Ultrasonic cleaning machine1 Sep 2026US 12,722,186 B1
- Using cleaning protocols to monitor defects associated with light detection and ranging (Lidar) devices25 Aug 2026US 12,717,013 B2Waymo LLC
- Work cleaning device and cleaning method18 Aug 2026US 12,711,991 B2NHK Spring Co., Ltd.
- Test base cleaning line and method thereof21 Jul 2026US 12,686,039 B2Siliconware Precision Industries Co., Ltd.
- Test base cleaning line and method thereof8 Oct 2026US 2026/0307115 A1Siliconware Precision Industries Co., Ltd.
- System and apparatus for and method of cleaning air filters24 Sep 2026US 2026/0284715 A1
- Method for cleaning high-pressure gas container17 Sep 2026US 2026/0273593 A1Resonac Corporation
- Coating film removing mechanism and coating film removing equipment10 Sep 2026US 2026/0264116 A1Toray Industries, Inc.
- Apparatus for cleaning a powder press device, combination of a powder press device with such a cleaning apparatus, and method for cleaning a powder press device20 Aug 2026US 2026/0241658 A1Dorst Technologies GmbH & Co. KG
Most cited
By later US patents
- Method for preparing a shield to reduce particles in a physical vapor deposition chamber85US 5,202,008 AAPPLIED Materials.Inc. · 1993
- Autonomous floor cleaning with removable pad80US 9,265,396 B1iRobot Corporation · 2016
- Method for preparing a shield to reduce particles in a physical vapor deposition chamber64US 5,391,275 AAPPLIED Materials.Inc. · 1995
- Method of cleaning surfaces by irradiation with ultraviolet light54US 4,028,135 AThe United States of America as represented by the Secretary of the Army · 1977
- Commercial kitchenware washers and related methods43US 9,265,400 B2Duke Manufacturing Co. · 2016