B08B 9/0328
By purging the pipe with a gas or a mixture of gas
Official title: {by purging the pipe with a gas or a mixture of gas and liquid}
B08B9/0328 (By purging the pipe with a gas or a mixture of gas) appears on 239 US grants and 264 published applications in this corpus.
Search patents in B08B- Granted patents
- 239
- Published applications
- 264
- Assignees
- 193
- Inventors
- 607
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 0 | 9 |
| 2014 | 3 | 9 |
| 2015 | 11 | 18 |
| 2016 | 11 | 11 |
| 2017 | 9 | 22 |
| 2018 | 13 | 24 |
| 2019 | 19 | 18 |
| 2020 | 24 | 26 |
| 2021 | 13 | 18 |
| 2022 | 15 | 26 |
| 2023 | 17 | 14 |
| 2024 | 13 | 21 |
| 2025 | 17 | 14 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Substrate processing system and process gas supply control verification method7 Jul 2026US 12,677,627 B2Semes Co., Ltd.
- Coating material supply device and coating machine16 Jun 2026US 12,654,211 B2ABB Schweiz AG
- Method for washing gas supply part in gas inspection apparatus7 Apr 2026US 12,594,589 B2Shimadzu Corporation
- Method of washing a fluidic system of an in-vitro diagnostic analyzer10 Mar 2026US 12,571,813 B2Roche Diagnostics Operations, Inc.
- Fluid dispensing system and method24 Sep 2026US 2026/0290766 A1ASML Netherlands B. V.
- Fluid evacuation and chemical cleaning device27 Aug 2026US 2026/0249331 A1Raytheon Company
- Pipette tip washing devices and methods30 Jul 2026US 2026/0216732 A1
- Sensor-cleaning camera body cap system25 Jun 2026US 2026/0175272 A1
- Leakage detecting device and detecting method25 Jun 2026US 2026/0177446 A1Wuxi Lead Intelligent Equipment Co., Ltd.
Most cited
By later US patents
- Method for cleaning and coating water-conducting pipes62US 5,045,352 A1991
- Method and apparatus for cleaning hoses49US 5,322,571 APlummer Design & Technologies, Inc. · 1994
- Cleaning apparatus and method for fuel and other passages49US 5,339,845 AFuel Systems Textron Inc. · 1994
- Sanitizing a drink supply system47US 4,582,226 A1986
- Process gas supply piping system45US 4,917,136 ATadahiro Ohmi · 1990