F15B 9/16
Systems essentially having two or more interacting servomotors
Official title: Systems essentially having two or more interacting servomotors {, e.g. multi-stage (F15B18/00, F15B20/00 take precedence)}
F15B9/16 (Systems essentially having two or more interacting servomotors) appears on 16 US grants and 15 published applications in this corpus.
Search patents in F15B- Granted patents
- 16
- Published applications
- 15
- Assignees
- 18
- Inventors
- 33
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 0 |
| 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 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydraulic pump to synchronize the operation of a pair of hydraulic actuators24 Oct 2023US 11,795,944 B1JL Marine Systems, Inc.
- Actuator with stroke displacement setting via a stroke limiting attachment16 Feb 2021US 10,921,013 B2Johnson Controls Technology Company
- Pressure booster1 Dec 2020US 10,851,806 B2SMC Corporation
- Device for controlling a propeller, having variable-pitch blades, of a turboprop engine24 Sep 2019US 10,421,530 B2Safran Helicopter Engines
- System for coordinating the direction of travel of a hydraulic machine with the operator's position9 Jul 2019US 10,344,454 B2CNH Industrial America LLC
- Actuator with stroke displacement setting via a stroke limiting attachment31 Dec 2020US 2020/0408435 A1Johnson Controls Technology Company
- Cylinder device, pressmachine, workpiece clamping apparatus, cylinder device actuating method, method for pressing workpiece, and method for clamping workpiece26 Mar 2020US 2020/0096014 A1Seiko Instruments Inc.
- Pressure booster27 Feb 2020US 2020/0063760 A1SMC Corporation
- Device for controlling a propeller, having variable-pitch blades, of a turboprop engine13 Dec 2018US 2018/0354608 A1Safran Helicopter Engines
- System for Coordinating the Direction of Travel of a Hydraulic Machine with the Operator's Position1 Jun 2017US 2017/0152645 A1CNH Industrial America LLC
Most cited
By later US patents
- Actuator control system for hydraulic devices43US 6,925,807 B2Comprehensive Power, Inc. · 2005
- Method and apparatus for synchronizing a vehicle lift24US 6,763,916 B2Delaware Capital Formation, Inc. · 2004
- Method and apparatus for synchronizing a vehicle lift22US 6,964,322 B2Delaware Capital Formation, Inc. · 2005
- Two-stage pneumatic servomotor8US 4,464,976 AThe Bendix Corporation · 1984
- Actuator assembly with synchronized hydraulic actuators8US 6,837,054 B2Hispano Suiza · 2005