B08B 9/023
Cleaning the external surfaces
Official title: Cleaning the external surfaces {(B08B9/021 takes precedence)}
B08B9/023 (Cleaning the external surfaces) appears on 413 US grants and 395 published applications in this corpus.
Search patents in B08B- Granted patents
- 413
- Published applications
- 395
- Assignees
- 273
- Inventors
- 869
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 0 |
| 2003 | 2 | 2 |
| 2004 | 5 | 8 |
| 2005 | 4 | 5 |
| 2006 | 5 | 12 |
| 2007 | 4 | 7 |
| 2008 | 6 | 7 |
| 2009 | 3 | 12 |
| 2010 | 7 | 10 |
| 2011 | 8 | 6 |
| 2012 | 4 | 6 |
| 2013 | 2 | 13 |
| 2014 | 6 | 25 |
| 2015 | 12 | 15 |
| 2016 | 21 | 26 |
| 2017 | 20 | 31 |
| 2018 | 20 | 28 |
| 2019 | 31 | 26 |
| 2020 | 28 | 31 |
| 2021 | 25 | 38 |
| 2022 | 17 | 24 |
| 2023 | 23 | 22 |
| 2024 | 21 | 15 |
| 2025 | 20 | 14 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for delivering an API-containing liquid to an edible substrate6 Oct 2026US 12,751,915 B2Transport Authority, Inc.
- Outlet nozzle arrangement for a drink dispensing apparatus14 Jul 2026US 12,677,985 B2Koninklijke Douwe Egberts B. V.
- Devices and systems for drilling a wellbore21 Apr 2026US 12,607,087 B1Saudi Arabian Oil Company
- Sucker rod wiping tool7 Apr 2026US 12,594,588 B2ConocoPhillips Company
- Pipette tip washing devices and methods20 Jan 2026US 12,528,086 B2Agilent Technologies, Inc.
- Automated Analyzer and Method of Adjusting Liquid Amount of Probe Cleaner1 Oct 2026US 2026/0298961 A1Hitachi High-Tech Corporation
- Uv disinfector for optically dense fluids24 Sep 2026US 2026/0283173 A1Ultra Biotecs Limited
- Apparatus for removing a coating from an external surface of penstock, system and method10 Sep 2026US 2026/0264117 A1K. A. Cooper Pty Ltd
- Pipette tip washing devices and methods30 Jul 2026US 2026/0216732 A1
- Well pipe handling9 Jul 2026US 2026/0193942 A1Mhwirth AS
Most cited
By later US patents
- Diverless subsea hot tap system65US 6,290,432 B1Williams Field Services Gulf Coast Company, L.P. · 2001
- Cosmetic blending machine for foundation, concealer, tinted moisturizer, primer, skin care products, nail polish, blush, hair dye, lipstick and other products65US 9,007,588 B1L'oreal · 2015
- Portable containment device for treatment of hazardous materials53US 4,626,291 A1986
- Method for removing pipe coatings47US 4,552,594 A1985
- Apparatus for treating an exterior pipe surface46US 5,069,234 AVan Voskuilen-Woudenberg B.V. · 1991