F15B 2013/0413
With four or more positions
Official title: {with four or more positions}
F15B2013/0413 (With four or more positions) appears on 34 US grants and 31 published applications in this corpus.
Search patents in F15B- Granted patents
- 34
- Published applications
- 31
- Assignees
- 26
- Inventors
- 76
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 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 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 5 |
| 2021 | 5 | 9 |
| 2022 | 6 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-channel flow control system15 Sep 2026US 12,736,069 B2Industrial Technology Research Institute
- Hydraulic arrangement27 May 2025US 12,313,100 B2Danfoss Power Solutions ApS
- Failsafe valve for geared rotary actuator12 Mar 2024US 11,926,408 B2Moog Inc.
- Drift-prevention valve device, blade device, and working machine30 Jan 2024US 11,885,099 B2Caterpillar SARL
- Four-position switching valve20 Jun 2023US 11,680,650 B2SMC Corporation
- Multi-channel flow control system11 Jun 2026US 2026/0160277 A1Industrial Technology Research Institute
- Hydraulic Control Device16 Oct 2025US 2025/0320881 A1Kubota Corporation
- Hydraulic circuit for opening and closing mould of injection moulding machine, and injection moulding machine system23 Jan 2025US 2025/0026059 A1Danfoss A/S
- Hydraulic arrangement28 Nov 2024US 2024/0392814 A1Danfoss Power Solutions ApS
- Systems and Methods for Hydraulic Ride Control System21 Dec 2023US 2023/0407596 A1HUSCO International, Inc.
Most cited
By later US patents
- Pneumatically controlled, four position hydraulic valve18US 4,355,660 AGeneral Signal Corporation · 1982
- Hydraulic valve arrangement with locking and floating function16US 6,220,289 B1Danfoss Fluid Power A/S · 2001
- Fluid control system with regeneration15US 6,161,467 ACaterpillar Inc. · 2000
- Rotary directional valve with integral load holding check14US 6,182,697 B2Eaton Corporation · 2001
- Fluid control system having float control8US 6,173,639 B1Caterpillar Inc. · 2001