B08B
Cleaning in general
Official title: Cleaning in general; prevention of fouling in general
B08B (Cleaning in general) appears on 22,618 US grants and 24,161 published applications in this corpus.
Search patents in B08B- Granted patents
- 22,618
- Published applications
- 24,161
- Assignees
- 9,315
- Inventors
- 46,741
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 144 | 0 |
| 1977 | 126 | 0 |
| 1978 | 118 | 0 |
| 1979 | 93 | 0 |
| 1980 | 106 | 0 |
| 1981 | 102 | 0 |
| 1982 | 90 | 0 |
| 1983 | 113 | 0 |
| 1984 | 111 | 0 |
| 1985 | 118 | 0 |
| 1986 | 114 | 0 |
| 1987 | 145 | 0 |
| 1988 | 153 | 0 |
| 1989 | 212 | 0 |
| 1990 | 192 | 0 |
| 1991 | 230 | 0 |
| 1992 | 248 | 0 |
| 1993 | 261 | 0 |
| 1994 | 346 | 0 |
| 1995 | 338 | 0 |
| 1996 | 345 | 0 |
| 1997 | 414 | 0 |
| 1998 | 479 | 0 |
| 1999 | 529 | 0 |
| 2000 | 464 | 0 |
| 2001 | 442 | 169 |
| 2002 | 485 | 570 |
| 2003 | 540 | 637 |
| 2004 | 457 | 731 |
| 2005 | 410 | 786 |
| 2006 | 366 | 763 |
| 2007 | 330 | 654 |
| 2008 | 302 | 667 |
| 2009 | 298 | 742 |
| 2010 | 399 | 665 |
| 2011 | 430 | 683 |
| 2012 | 424 | 690 |
| 2013 | 494 | 871 |
| 2014 | 527 | 887 |
| 2015 | 627 | 977 |
| 2016 | 713 | 1081 |
| 2017 | 820 | 1274 |
| 2018 | 821 | 1361 |
| 2019 | 1031 | 1345 |
| 2020 | 1137 | 1400 |
| 2021 | 1035 | 1386 |
| 2022 | 1038 | 1396 |
| 2023 | 1073 | 1269 |
| 2024 | 1119 | 1249 |
| 2025 | 1042 | 1108 |
| 2026 | 667 | 800 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B08B 3/00Cleaning by methods involving the use or presence of liquid or steam9,287
- B08B 9/00Cleaning hollow articles by methods or apparatus specially adapted thereto6,586
- B08B 1/00Cleaning by methods involving the use of tools3,829
- B08B 7/00Cleaning by methods not provided for in a single other subclass or3,815
- B08B 5/00Cleaning by methods involving the use of air flow or gas flow2,061
- B08B 15/00Preventing escape of dirt or fumes from the area where they are1,551
- B08B 2203/00Details of cleaning machines or methods involving the use or presence ofIndexing code1,211
- B08B 17/00Methods preventing fouling1,023
All 17 main groupsShow fewer
- B08B 13/00Accessories or details of general applicability for machines or apparatus for cleaning953
- B08B 2209/00Details of machines or methods for cleaning hollow articlesIndexing code728
- B08B 11/00Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto448
- B08B 2230/00Cleaning in general: other cleaning aspects applicable to all b08b rangeIndexing code325
- B08B 6/00Cleaning by electrostatic means246
- B08B 2240/00Type of materials or objects being cleanedIndexing code202
- B08B 2220/00Type of materials or objects being removedIndexing code102
- B08B 2215/00Preventing escape of dirt or fumes from the area where they areIndexing code100
- B08B 2205/00Details of machines or methods for cleaning by the use of gasIndexing code37
Recent patents
- Method and apparatus for delivering an API-containing liquid to an edible substrate6 Oct 2026US 12,751,915 B2Transport Authority, Inc.
- Compositions, methods and kits for treating complement related disorders6 Oct 2026US 12,751,993 B2Trustees of Tufts College
- Scraper6 Oct 2026US 12,752,311 B2Tien-I Industrial Co., Ltd.
- Optical table cleaning devices and methods of cleaning optical tables6 Oct 2026US 12,752,312 B2KLA Corporation
- Countertop apparatus for washing articles6 Oct 2026US 12,752,313 B2Hillsborough Bay Group, LLC
- On-Boom Sectional Recirculating Injection System8 Oct 2026US 2026/0305596 A1Latitude Limited
- A Cleaning Tool for Cleaning an Aerosol Generating Device and an Aerosol Generating System Comprising a Cleaning Tool8 Oct 2026US 2026/0305726 A1JT International SA
- Long-Handled Reusable In-Bowl Toilet Cleaning Tablet Cartridge for Sustained Cleaning8 Oct 2026US 2026/0305888 A1
- Water filter priming pump8 Oct 2026US 2026/0306973 A1
- Cleaner/conditioner for flyline8 Oct 2026US 2026/0307111 A1
Most cited
By later US patents
- Robot for surgical applications1,534US 7,126,303 B2Board of Regents of the University of Nebraska · 2006
- Dump facility for cassette sewage tanks1,411US 6,182,673 B2Mike Kindermann Marketing/Vertriebs GmbH · 2001
- Articulated tubular conduit arm for sucking gaseous fluids1,149US 4,540,202 A1985
- Articulatable fume exhauster trunk1,052US 4,860,644 ADonaldson Company, Inc. · 1989
- Adjustable exhauster arm assembly1,041US 5,336,130 AMetal-Fab, Inc. · 1994