F16K 41/14
Spindle sealings: with conical flange on the spindle which co-operates with a
Official title: with conical flange on the spindle which co-operates with a conical surface in the housing
F16K41/14 (Spindle sealings: with conical flange on the spindle which co-operates with a) appears on 35 US grants and 18 published applications in this corpus.
Search patents in F16K- Granted patents
- 35
- Published applications
- 18
- Assignees
- 21
- Inventors
- 52
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 5 |
| 2021 | 2 | 3 |
| 2022 | 3 | 0 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cryogenic cylinder control system, globe valve, and solenoid valve24 Dec 2024US 12,173,810 B2Engineered Controls International, LLC
- Multi-function fluid control valve24 Jul 2025US 2025/0237320 A1Pratt & Whitney Canada Corp.
- Cryogenic cylinder control system, globe valve, and solenoid valve1 Aug 2024US 2024/0255067 A1Engineered Controls International, LLC
- Solenoid valve18 Apr 2024US 2024/0125405 A1Eagle Industry Co., Ltd.
- Cryogenic cylinder control system, globe valve, and solenoid valve25 Jan 2024US 2024/0026990 A1Engineered Controls International, LLC
- Bonnet and stuffing box assembly7 Sep 2023US 2023/0279967 A1Mueller International, LLC
Most cited
By later US patents
- High pressure gate valve with preloaded, stacked, solid lubricated stem seals80US 4,340,204 ASmith International, Inc. · 1982
- High pressure valve41US 4,029,294 AMcEvoy Oilfield Equipment Company · 1977
- Stem packing assembly for gate valves and means for removal32US 4,135,546 AACF Industries, Incorporated · 1979
- Heat responsive back seat arrangement for valve operator23US 4,245,661 ACombustion Engineering, Inc. · 1981
- Fire-resistant gate valve22US 4,568,062 AFMC Corporation · 1986