F16K 27/041
Cylindrical slide valves
Official title: {cylindrical slide valves}
F16K27/041 (Cylindrical slide valves) appears on 437 US grants and 414 published applications in this corpus.
Search patents in F16K- Granted patents
- 437
- Published applications
- 414
- Assignees
- 274
- Inventors
- 942
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 3 |
| 2003 | 1 | 8 |
| 2004 | 8 | 5 |
| 2005 | 5 | 10 |
| 2006 | 8 | 6 |
| 2007 | 3 | 6 |
| 2008 | 2 | 11 |
| 2009 | 3 | 5 |
| 2010 | 3 | 4 |
| 2011 | 6 | 9 |
| 2012 | 5 | 4 |
| 2013 | 8 | 14 |
| 2014 | 4 | 13 |
| 2015 | 9 | 27 |
| 2016 | 19 | 16 |
| 2017 | 22 | 32 |
| 2018 | 25 | 29 |
| 2019 | 23 | 32 |
| 2020 | 27 | 29 |
| 2021 | 29 | 27 |
| 2022 | 24 | 31 |
| 2023 | 31 | 46 |
| 2024 | 39 | 23 |
| 2025 | 24 | 9 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-tank control valve structure1 Sep 2026US 12,723,666 B2Canature Health Technology Group Co., Ltd.
- Valve and valve assembly method1 Sep 2026US 12,723,673 B2Eagle Industry Co., Ltd.
- Vibration reducing device25 Aug 2026US 12,716,522 B2FMC Technologies, Inc.
- Technologies for variable retarder control11 Aug 2026US 12,704,136 B2Allison Transmission, Inc.
- Valve device11 Aug 2026US 12,704,188 B2Denso Corporation
- Null and maximum flow adjustable electrohydraulic servo vavle (ehsv)1 Oct 2026US 2026/0298356 A1Honeywell International Inc.
- Reduced Stroke Control Cartridge For Hydraulic Valve20 Aug 2026US 2026/0243353 A1Giacomini S.p. A.
- Valve device25 Jun 2026US 2026/0177156 A1Esbe AB
- Dual-tank control valve structure25 Jun 2026US 2026/0177157 A1Canature Health Technology Group Co., Ltd.
- Servo valve11 Jun 2026US 2026/0160345 A1Microtecnica S.R.L.
Most cited
By later US patents
- Latching trumpet valve for medical infusions169US 5,228,646 A1993
- Spool valve with offset outlet151US 5,064,168 ABurron Medical Inc. · 1991
- Poppet valve and method of making same66US 6,705,591 B2Colder Products Company · 2004
- Valve device for controlling flows in surgical applications56US 5,449,145 ASurgin Surgical Instrumentation, Inc. · 1995
- Hydraulic valve52US 5,222,521 AMoog Controls, Inc. · 1993