F15B 11/0365
Tandem constructions
Official title: {Tandem constructions}
F15B11/0365 (Tandem constructions) appears on 89 US grants and 63 published applications in this corpus.
Search patents in F15B- Granted patents
- 89
- Published applications
- 63
- Assignees
- 78
- Inventors
- 188
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 5 |
| 2003 | 4 | 2 |
| 2004 | 5 | 5 |
| 2005 | 2 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 3 | 4 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 5 |
| 2018 | 3 | 6 |
| 2019 | 2 | 3 |
| 2020 | 5 | 2 |
| 2021 | 2 | 3 |
| 2022 | 4 | 3 |
| 2023 | 0 | 3 |
| 2024 | 4 | 1 |
| 2025 | 3 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Actuator, open/close valve mechanism, and fluid control device23 Jun 2026US 12,663,096 B2Fujikin Incorporated
- Hydraulic device14 Oct 2025US 12,442,393 B2Aalborg Universitet
- Dual-system hydraulic actuator12 Aug 2025US 12,385,507 B2Parker-Hannifin Corporation
- Hydraulic thruster24 Jun 2025US 12,338,843 B2Coretrax Americas Ltd.
- Hydraulic actuator including a multi-head piston for hydraulic gearing19 Nov 2024US 12,145,719 B2Hamilton Sundstrand Corporation
- Stacked hydraulic tool arrangement30 Apr 2026US 2026/0117803 A1
- Actuator, open/close valve mechanism, and fluid control device4 Dec 2025US 2025/0369533 A1Fujikin Incorporated
- Powder press having a hydraulic press drive30 Jan 2025US 2025/0033310 A1Dorst Technologies GmbH & Co. KG
- A hydraulic device23 Jan 2025US 2025/0027514 A1Aalborg Universitet
- Dual -System Hydraulic Actuator9 Jan 2025US 2025/0012300 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Head section support for a surgical table apparatus119US 6,739,006 B2Hill-Rom Services, Inc. · 2004
- Leg section support for a surgical table80US 6,754,923 B2Hill-Rom Services, Inc. · 2004
- Hydraulic actuator apparatus for a surgical table45US 6,886,200 B2Hill-Rom Services, Inc. · 2005
- Dual actuator air turbine starter valve35US 6,684,898 B2Honeywell International Inc. · 2004
- Tandem hydraulic actuator26US 4,296,677 AMcDonnell Douglas Corporation · 1981