B08B 9/02
Cleaning pipes or tubes or systems of pipes or tubes
Official title: Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04)
B08B9/02 (Cleaning pipes or tubes or systems of pipes or tubes) appears on 3,979 US grants and 3,772 published applications in this corpus.
Search patents in B08B- Granted patents
- 3,979
- Published applications
- 3,772
- Assignees
- 2,041
- Inventors
- 7,602
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 24 | 0 |
| 1978 | 16 | 0 |
| 1979 | 14 | 0 |
| 1980 | 17 | 0 |
| 1981 | 23 | 0 |
| 1982 | 13 | 0 |
| 1983 | 29 | 0 |
| 1984 | 22 | 0 |
| 1985 | 32 | 0 |
| 1986 | 27 | 0 |
| 1987 | 32 | 0 |
| 1988 | 23 | 0 |
| 1989 | 37 | 0 |
| 1990 | 41 | 0 |
| 1991 | 50 | 0 |
| 1992 | 57 | 0 |
| 1993 | 48 | 0 |
| 1994 | 61 | 0 |
| 1995 | 79 | 0 |
| 1996 | 48 | 0 |
| 1997 | 80 | 0 |
| 1998 | 71 | 0 |
| 1999 | 81 | 0 |
| 2000 | 75 | 0 |
| 2001 | 61 | 21 |
| 2002 | 75 | 56 |
| 2003 | 78 | 75 |
| 2004 | 57 | 88 |
| 2005 | 58 | 93 |
| 2006 | 66 | 100 |
| 2007 | 47 | 68 |
| 2008 | 45 | 90 |
| 2009 | 44 | 102 |
| 2010 | 57 | 109 |
| 2011 | 80 | 87 |
| 2012 | 58 | 105 |
| 2013 | 82 | 125 |
| 2014 | 84 | 158 |
| 2015 | 118 | 144 |
| 2016 | 123 | 199 |
| 2017 | 143 | 204 |
| 2018 | 150 | 235 |
| 2019 | 198 | 225 |
| 2020 | 205 | 279 |
| 2021 | 195 | 257 |
| 2022 | 198 | 268 |
| 2023 | 230 | 212 |
| 2024 | 205 | 192 |
| 2025 | 200 | 155 |
| 2026 | 105 | 125 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for delivering an API-containing liquid to an edible substrate6 Oct 2026US 12,751,915 B2Transport Authority, Inc.
- 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
- 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