F15B 2211/8613
The abnormal condition being oscillations
Official title: the abnormal condition being oscillations
F15B2211/8613 (The abnormal condition being oscillations) appears on 119 US grants and 121 published applications in this corpus.
Search patents in F15B- Granted patents
- 119
- Published applications
- 121
- Assignees
- 89
- Inventors
- 266
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 4 |
| 2007 | 3 | 3 |
| 2008 | 0 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 2 | 1 |
| 2014 | 0 | 7 |
| 2015 | 4 | 8 |
| 2016 | 5 | 4 |
| 2017 | 4 | 4 |
| 2018 | 6 | 9 |
| 2019 | 7 | 13 |
| 2020 | 10 | 12 |
| 2021 | 16 | 15 |
| 2022 | 11 | 7 |
| 2023 | 7 | 8 |
| 2024 | 8 | 5 |
| 2025 | 7 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valves for controlling flow of pressurized fluid to a tool5 May 2026US 12,618,485 B2Enerpac Tool Group Corp.
- Work machine10 Mar 2026US 12,571,182 B2Sumitomo Heavy Industries, Ltd.
- Fluid circuit3 Mar 2026US 12,565,902 B2Eagle Industry Co., Ltd.
- Hydraulic system, method, and integrated valve block of slewing mechanism6 Jan 2026US 12,516,685 B2Shandong University
- Pump control shock absorber11 Nov 2025US 12,467,549 B2Caterpillar Global Mining LLC
- Load dampening system13 Aug 2026US 2026/0235142 A1J. C. Bamford Excavators Limited
- Apparatus comprising a plurality of tools each having at least one hydraulic chamber for hydraulic liquid29 Jan 2026US 2026/0028923 A1Freevalve AB
- Valves for controlling flow of pressurized fluid to a tool10 Jul 2025US 2025/0224042 A1Enerpac Tool Group Corp.
- Hydraulic system, method, and integrated valve block of slewing mechanism1 May 2025US 2025/0137476 A1Shandong University
- Actuating Apparatus for at Least One Fluidically Drivable Load13 Mar 2025US 2025/0084871 A1Hydac Mobilhydraulik GmbH
Most cited
By later US patents
- Pressure regulator for hydraulically controlled machine tools47US 4,796,652 AIndex-Werke Komm.-Ges. Hahn & Tessky · 1989
- Hydraulic control device47US 5,259,293 AHeilmeier & Weinlein Fabrik fuer Oel-Hydraulik GmbH & Co. KG · 1993
- Control system for suppression of boom or arm oscillation31US 7,278,262 B2Board of Control of Michigan Technological University · 2007
- Apparatus for controlling bounce of hydraulically powered equipment30US 6,705,079 B1HUSCO International, Inc. · 2004
- Hydraulic control device25US 5,191,826 AHeilmeier & Weinlein Fabrik fur Oel-Hydraulik GmbH & Co. KG · 1993