B08B 2203/0205
Bypass pressure relief valves
B08B2203/0205 (Bypass pressure relief valves) appears on 69 US grants and 38 published applications in this corpus.
Search patents in B08B- Granted patents
- 69
- Published applications
- 38
- Assignees
- 38
- Inventors
- 116
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 12 |
| 2023 | 2 | 2 |
| 2024 | 8 | 5 |
| 2025 | 2 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning device16 Jun 2026US 12,654,204 B2Greenworks (Jiangsu) Co., Ltd.
- Pressure washer apparatus31 Mar 2026US 12,589,416 B2Andreas Stihl AG & CO.KG
- Pressure washer31 Mar 2026US 12,589,417 B2Andreas Stihl AG & CO.KG
- Handheld cleaning machine9 Dec 2025US 12,491,540 B2Zhejiang Qianji Intelligent Technology Co., Ltd.
- Routing system and methods for an agricultural applicator27 May 2025US 12,311,907 B2CNH Industrial America LLC
- Power Washer Assemblies and Methods17 Sep 2026US 2026/0273557 A1FNA Group, Inc.
- Mobile washing and detailing systems3 Jul 2025US 2025/0214118 A1Primo IP Holder, LLC
- High pressure cleaning device22 May 2025US 2025/0161995 A1Andreas Stihl AG & CO.KG
- Portable Liquid-Delivery System1 May 2025US 2025/0135509 A1Rack Wash LLC
- Handheld cleaning machine6 Mar 2025US 2025/0073759 A1Zhejiang Qianji Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Pressure washer systems analyzer53US 4,697,464 A1987
- Vehicle wash system53US 4,967,960 A1990
- High-pressure cleaning apparatus40US 5,174,730 AAlfred Kärcher GmbH & Co. KG · 1992
- Mobile pressure cleaning unit39US 4,821,958 ASparkle Wash, Inc. · 1989
- Pressure washer with flow control switch36US 5,529,460 AColeman Powermate, Inc. · 1996