F16K 41/043
For spindles which only rotate, i.e. non-rising spindles
Official title: {for spindles which only rotate, i.e. non-rising spindles}
F16K41/043 (For spindles which only rotate, i.e. non-rising spindles) appears on 92 US grants and 73 published applications in this corpus.
Search patents in F16K- Granted patents
- 92
- Published applications
- 73
- Assignees
- 71
- Inventors
- 195
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 6 |
| 2012 | 3 | 4 |
| 2013 | 5 | 6 |
| 2014 | 6 | 2 |
| 2015 | 2 | 2 |
| 2016 | 4 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 5 |
| 2020 | 3 | 3 |
| 2021 | 5 | 2 |
| 2022 | 3 | 7 |
| 2023 | 6 | 8 |
| 2024 | 5 | 7 |
| 2025 | 5 | 5 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control valves with adjustable valve packing14 Apr 2026US 12,601,423 B2Fisher Controls International LLC
- Control valve and manufacturing method therefor10 Mar 2026US 12,571,486 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Valve3 Mar 2026US 12,565,941 B2Kitz Corporation
- Cryogenic cylinder control system, globe valve, and solenoid valve24 Feb 2026US 12,560,241 B2Engineered Controls International, LLC
- Multi-stage shaft seal30 Dec 2025US 12,510,187 B2Fisher Controls International LLC
- Three-way valve for flow rate control, and temperature control device2 Jul 2026US 2026/0185619 A1Shinwa Controls Co., Ltd
- Valve and sealing structure thereof13 Nov 2025US 2025/0347359 A1
- Torque tool24 Jul 2025US 2025/0235988 A1Aker Solutions Subsea AS
- Fluid distribution valve housing and seal arrangement19 Jun 2025US 2025/0198539 A1Stoneridge Control Devices, Inc.
- Control valves with adjustable valve packing12 Jun 2025US 2025/0189058 A1Fisher Controls International LLC
Most cited
By later US patents
- Valve stem packing system85US 5,263,682 AWhitey Co. · 1993
- Valve stem packing structure79US 5,056,758 A1991
- Installation for the cyclic treatment of fluid by adsorption with valves with improved sealing62US 6,517,609 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003
- Enhanced sealing arrangement for a rotary valve shaft59US 5,326,074 AXomox Corporation · 1994
- Rotating control head radial seal protection and leak detection systems54US 7,836,946 B2Weatherford/Lamb, Inc. · 2010