B05B 1/1618
Where said valve is a double-seat lift valve
Official title: {where said valve is a double-seat lift valve}
B05B1/1618 (Where said valve is a double-seat lift valve) appears on 115 US grants and 119 published applications in this corpus.
Search patents in B05B- Granted patents
- 115
- Published applications
- 119
- Assignees
- 68
- Inventors
- 220
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 3 | 3 |
| 2007 | 2 | 9 |
| 2008 | 5 | 5 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 4 | 4 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 6 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 7 |
| 2017 | 11 | 9 |
| 2018 | 6 | 11 |
| 2019 | 8 | 6 |
| 2020 | 7 | 10 |
| 2021 | 5 | 9 |
| 2022 | 5 | 5 |
| 2023 | 7 | 4 |
| 2024 | 3 | 3 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Shower head for a water faucet16 Jan 2025US 2025/0018407 A1Grohe AG
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Most cited
By later US patents
- Spray head for a sink faucet or the like149US 5,145,114 AIdeal-Standard GmbH · 1992
- Hand shower142US 4,703,893 AHansa Metallwerke AG · 1987
- Pullout spray head with single-button mode selector137US 7,000,854 B2Moen Incorporated · 2006
- Multi-pattern pull-out spray head135US 7,070,125 B2Newfrey LLC · 2006
- Shower132US 4,629,124 AHansa Metallwerke AG · 1986