F15B 2211/7056
Tandem cylinders
F15B2211/7056 (Tandem cylinders) appears on 67 US grants and 54 published applications in this corpus.
Search patents in F15B- Granted patents
- 67
- Published applications
- 54
- Assignees
- 63
- Inventors
- 141
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 5 |
| 2018 | 1 | 6 |
| 2019 | 5 | 4 |
| 2020 | 5 | 3 |
| 2021 | 4 | 4 |
| 2022 | 4 | 4 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pneumohydraulic pressure intensifier12 May 2026US 12,624,710 B2WS Wieländer + Schill Engineering GmbH & Co. KG
- Dual-system hydraulic actuator12 Aug 2025US 12,385,507 B2Parker-Hannifin Corporation
- Hydraulic thruster24 Jun 2025US 12,338,843 B2Coretrax Americas Ltd.
- Hydraulic arrangement with load-holding function and hydraulic arrangement control method27 May 2025US 12,313,104 B2Robert Bosch GmbH
- Hydraulic actuator including a multi-head piston for hydraulic gearing19 Nov 2024US 12,145,719 B2Hamilton Sundstrand Corporation
- Pneumohydraulic pressure intensifier22 Jan 2026US 2026/0022711 A1WS Wieländer + Schill Engineering GmbH & Co. KG
- Powder press having a hydraulic press drive30 Jan 2025US 2025/0033310 A1Dorst Technologies GmbH & Co. KG
- Dual -System Hydraulic Actuator9 Jan 2025US 2025/0012300 A1Parker-Hannifin Corporation
- Hydraulic Arrangement with Load-Holding Function and Hydraulic Arrangement Control Method2 May 2024US 2024/0141932 A1Robert Bosch GmbH
- Hydraulic actuator including a multi-head piston for hydraulic gearing26 Oct 2023US 2023/0339605 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Pneumatic actuator with hydraulic control53US 5,058,385 AThe United States of America as represented by the Secretary of the Navy · 1991
- Hydraulic control circuit for operating a split actuator mechanical mechanism32US 6,715,402 B2HUSCO International, Inc. · 2004
- Forklift truck side shifter24US 5,807,060 ARightline Equipment, Inc. · 1998
- Pneumatic cylinder and control valve therefor22US 5,623,861 ASavair Inc. · 1997
- Welding system with a real-time weld quality detection sensor19US 6,020,569 A2000