F16K 41/023
For spindles which only rotate, i.e. non-rising spindles
Official title: {for spindles which only rotate, i.e. non-rising spindles (F16K41/043, F16K41/063 and F16K41/083 take precedence)}
F16K41/023 (For spindles which only rotate, i.e. non-rising spindles) appears on 93 US grants and 72 published applications in this corpus.
Search patents in F16K- Granted patents
- 93
- Published applications
- 72
- Assignees
- 72
- Inventors
- 194
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 0 | 3 |
| 2014 | 3 | 0 |
| 2015 | 0 | 3 |
| 2016 | 5 | 5 |
| 2017 | 1 | 1 |
| 2018 | 3 | 5 |
| 2019 | 5 | 7 |
| 2020 | 6 | 5 |
| 2021 | 6 | 8 |
| 2022 | 8 | 4 |
| 2023 | 5 | 5 |
| 2024 | 2 | 3 |
| 2025 | 3 | 6 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-functional valve travel stop18 Aug 2026US 12,710,099 B2Bray International, Inc.
- Bonded seat valve4 Aug 2026US 12,698,835 B2Mueller International, LLC
- Electric valve and thermal management module using the same19 May 2026US 12,631,260 B2Johnson Electric International AG
- Stacked valve assembly28 Apr 2026US 12,612,974 B2Cooper-Standard Automotive Inc.
- Control valves with adjustable valve packing14 Apr 2026US 12,601,423 B2Fisher Controls International LLC
- A valve with a spring30 Jul 2026US 2026/0218811 A1Valmet Flow Control Oy
- Cryogenic fluid shut-off valve9 Jul 2026US 2026/0194145 A1Engineered Controls International, LLC
- Repairable valve25 Jun 2026US 2026/0177150 A1Mogas Industries, Inc.
- Detachable and lubricable packing gland for electric large-caliber butterfly valve21 May 2026US 2026/0139614 A1Huaneng Qinbei Power Generation Co., Ltd.
- Valve and sealing structure thereof13 Nov 2025US 2025/0347359 A1
Most cited
By later US patents
- Valve stem sealing means for prevention of fugitive emissions54US 5,178,363 AM&FC Holding, LLC · 1993
- Valve stem sealing means for prevention of fugitive emissions50US 5,129,624 AM&FC Holding, LLC · 1992
- Retrofit second packing chamber for quarter-turn valves46US 5,476,117 A1995
- Valve and stem seal therefor43US 4,489,916 ACameron Iron Works, Inc. · 1984
- Valve arrangement adaptable to meet different leakage requirements42US 5,979,491 AXomox International GmbH & Co. · 1999