F16K 1/34
Cutting-off parts
Official title: Cutting-off parts, e.g. valve members, seats (F16K1/06, F16K1/12, F16K1/14, F16K1/26 take precedence)
F16K1/34 (Cutting-off parts) appears on 2,228 US grants and 2,298 published applications in this corpus.
Search patents in F16K- Granted patents
- 2,228
- Published applications
- 2,298
- Assignees
- 1,233
- Inventors
- 4,389
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 21 | 0 |
| 1979 | 13 | 0 |
| 1980 | 15 | 0 |
| 1981 | 12 | 0 |
| 1982 | 14 | 0 |
| 1983 | 15 | 0 |
| 1984 | 18 | 0 |
| 1985 | 18 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 21 | 0 |
| 1990 | 17 | 0 |
| 1991 | 6 | 0 |
| 1992 | 14 | 0 |
| 1993 | 18 | 0 |
| 1994 | 16 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 23 | 0 |
| 2000 | 30 | 0 |
| 2001 | 23 | 7 |
| 2002 | 19 | 23 |
| 2003 | 25 | 22 |
| 2004 | 31 | 38 |
| 2005 | 19 | 33 |
| 2006 | 27 | 41 |
| 2007 | 14 | 37 |
| 2008 | 22 | 34 |
| 2009 | 16 | 40 |
| 2010 | 24 | 35 |
| 2011 | 22 | 59 |
| 2012 | 35 | 55 |
| 2013 | 38 | 78 |
| 2014 | 53 | 90 |
| 2015 | 65 | 125 |
| 2016 | 104 | 162 |
| 2017 | 121 | 137 |
| 2018 | 115 | 146 |
| 2019 | 148 | 173 |
| 2020 | 148 | 176 |
| 2021 | 133 | 140 |
| 2022 | 157 | 146 |
| 2023 | 121 | 151 |
| 2024 | 137 | 141 |
| 2025 | 139 | 125 |
| 2026 | 82 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valves and trim assemblies for valves6 Oct 2026US 12,753,840 B2Fisher Jeon Gas Equipment (Chengdu) Co., Ltd.
- Valve6 Oct 2026US 12,753,841 B2Neoperl GmbH
- Valve head structure and flow regulating valve with valve head structure29 Sep 2026US 12,747,794 B2Zhejiang Dunan Artificial Environment Co., Ltd.
- High-pressure fluid on/off valve and components and method of use of same29 Sep 2026US 12,747,803 B2Flow International Corporation
- Canned valve seal22 Sep 2026US 12,742,485 B2Fox Factory, Inc.
- Relating to valves and methods therefor8 Oct 2026US 2026/0309235 A1
- Poppet valve8 Oct 2026US 2026/0309236 A1SMC Corporation
- Small thruster throttle valve with integrated positive isolation1 Oct 2026US 2026/0296680 A1California Institute of Technology
- Device for metering a cryogenic medium1 Oct 2026US 2026/0298348 A1Messer France S.A.S.
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
Most cited
By later US patents
- Metering valve516US 4,164,959 AThe Salk Institute for Biological Studies · 1979
- Variable conductance gas distribution apparatus and method473US 9,657,845 B2ASM IP Holding B. V. · 2017
- Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing160US 10,094,366 B2National Oilwell Varco, L. P. · 2018
- Valve seats for use in fracturing pumps131US 9,822,894 B2S,P.M. Flow Control, Inc. · 2017
- Fluid end with carbide valve seat and adhesive dampening interface116US 9,435,454 B22016