F15B 2211/775
Combined control
Official title: Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press
F15B2211/775 (Combined control) appears on 120 US grants and 94 published applications in this corpus.
Search patents in F15B- Granted patents
- 120
- Published applications
- 94
- Assignees
- 88
- Inventors
- 226
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 8 |
| 2004 | 3 | 3 |
| 2005 | 4 | 0 |
| 2006 | 3 | 3 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 5 |
| 2010 | 1 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 0 | 5 |
| 2017 | 5 | 2 |
| 2018 | 1 | 13 |
| 2019 | 5 | 7 |
| 2020 | 13 | 5 |
| 2021 | 8 | 6 |
| 2022 | 7 | 6 |
| 2023 | 5 | 2 |
| 2024 | 2 | 5 |
| 2025 | 5 | 4 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Hydraulic drive system having a 2×2Q pump unit19 May 2026US 12,631,200 B2HMS-HYBRID MOTION SOLUTIONS GmbH
- Pneumohydraulic pressure intensifier12 May 2026US 12,624,710 B2WS Wieländer + Schill Engineering GmbH & Co. KG
- Synchronized hybrid clamp force controller for lift truck attachment17 Mar 2026US 12,577,091 B2Cascade Corporation
- Hydraulic cylinder and system with pressure intensification16 Sep 2025US 12,416,316 B2Doben Limited
- Two-way quick cylinder and wood splitter9 Jul 2026US 2026/0194080 A1
- Oil circuit system, lifting device, electric jack, press, crane, and tire mounting/dismounting and transport apparatus12 Mar 2026US 2026/0070764 A1Snit Hydraulic Co., Ltd.
- Displacement Power Controllers and Applications5 Mar 2026US 2026/0063150 A1Perisseuma Technologies LLC
- Open and closed circuit parallel drive system and control method based on a four-chamber hydraulic cylinder19 Feb 2026US 2026/0049622 A1Taiyuan University of Technology
- Pneumohydraulic pressure intensifier22 Jan 2026US 2026/0022711 A1WS Wieländer + Schill Engineering GmbH & Co. KG
Most cited
By later US patents
- Closed-system electrohydraulic actuator93US 7,051,526 B2Moog Inc. · 2006
- Regenerative adaptive fluid motor control77US 6,349,543 B12002
- Control valve system for blowout preventers58US 4,509,405 ANL Industries, Inc. · 1985
- Self-regulated hydraulic control system37US 4,833,971 A1989
- Oil pressure device29US 5,996,465 AOyodo Komatsu Co., Ltd · 1999