B08B 9/027
Cleaning the internal surfaces
Official title: Cleaning the internal surfaces; Removal of blockages
B08B9/027 (Cleaning the internal surfaces) appears on 3,516 US grants and 3,380 published applications in this corpus.
Search patents in B08B- Granted patents
- 3,516
- Published applications
- 3,380
- Assignees
- 1,814
- Inventors
- 6,631
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 18 | 0 |
| 1978 | 13 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 19 | 0 |
| 1982 | 12 | 0 |
| 1983 | 26 | 0 |
| 1984 | 16 | 0 |
| 1985 | 27 | 0 |
| 1986 | 23 | 0 |
| 1987 | 28 | 0 |
| 1988 | 19 | 0 |
| 1989 | 27 | 0 |
| 1990 | 34 | 0 |
| 1991 | 38 | 0 |
| 1992 | 43 | 0 |
| 1993 | 40 | 0 |
| 1994 | 51 | 0 |
| 1995 | 71 | 0 |
| 1996 | 41 | 0 |
| 1997 | 72 | 0 |
| 1998 | 63 | 0 |
| 1999 | 72 | 0 |
| 2000 | 69 | 0 |
| 2001 | 52 | 20 |
| 2002 | 69 | 52 |
| 2003 | 73 | 71 |
| 2004 | 48 | 75 |
| 2005 | 51 | 83 |
| 2006 | 60 | 88 |
| 2007 | 38 | 57 |
| 2008 | 37 | 78 |
| 2009 | 39 | 86 |
| 2010 | 49 | 97 |
| 2011 | 73 | 80 |
| 2012 | 51 | 95 |
| 2013 | 78 | 106 |
| 2014 | 72 | 135 |
| 2015 | 102 | 132 |
| 2016 | 100 | 177 |
| 2017 | 131 | 185 |
| 2018 | 135 | 211 |
| 2019 | 175 | 192 |
| 2020 | 184 | 252 |
| 2021 | 175 | 234 |
| 2022 | 182 | 246 |
| 2023 | 216 | 195 |
| 2024 | 190 | 179 |
| 2025 | 178 | 140 |
| 2026 | 98 | 114 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drain cleaners6 Oct 2026US 12,753,596 B2
- Vacuum cleaner and method for operating a vacuum cleaner29 Sep 2026US 12,746,582 B2BSH Hausgeräte GmbH
- Closet auger29 Sep 2026US 12,746,583 B2Milwaukee Electric Tool Corporation
- Device and method for the fluid flow-based cleaning of mouthpieces and/or hoses of a shisha29 Sep 2026US 12,746,585 B2Design my Concept Projektverwaltungs GmbH
- Apparatus and methods for exhaust cleaning22 Sep 2026US 12,741,299 B2Taiwan Semiconductor Manufacturing Company.Ltd
- On-Boom Sectional Recirculating Injection System8 Oct 2026US 2026/0305596 A1Latitude Limited
- Water filter priming pump8 Oct 2026US 2026/0306973 A1
- Drain cleaning device8 Oct 2026US 2026/0307116 A1Milwaukee Electric Tool Corporation
- Method of cleaning a nozzle8 Oct 2026US 2026/0314314 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Medical tube clearance device1 Oct 2026US 2026/0295207 A1Clearflow, Inc.
Most cited
By later US patents
- Robot for surgical applications1,534US 7,126,303 B2Board of Regents of the University of Nebraska · 2006
- Robot for surgical applications914US 7,199,545 B2Board of Regents of the University of Nebraska · 2007
- Self-regulating fluid dispensing cap with safety pressure relief valve for dental/medical unit fluid bottles597US 5,836,483 AAerotech Dental Systems, Inc. · 1998
- Method for cleaning reaction chamber using pre-cleaning process526US 9,142,393 B2ASM IP Holding B. V. · 2015
- Surgical camera robot405US 7,339,341 B2Board of Regents of the University of Nebraska · 2008