F15B 15/16
Of the telescopic type
Official title: of the telescopic type
F15B15/16 (Of the telescopic type) appears on 191 US grants and 145 published applications in this corpus.
Search patents in F15B- Granted patents
- 191
- Published applications
- 145
- Assignees
- 153
- Inventors
- 331
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 4 |
| 2003 | 6 | 4 |
| 2004 | 1 | 5 |
| 2005 | 4 | 2 |
| 2006 | 1 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 2 | 14 |
| 2014 | 5 | 5 |
| 2015 | 4 | 5 |
| 2016 | 6 | 5 |
| 2017 | 9 | 11 |
| 2018 | 3 | 7 |
| 2019 | 10 | 8 |
| 2020 | 11 | 13 |
| 2021 | 7 | 7 |
| 2022 | 9 | 2 |
| 2023 | 3 | 15 |
| 2024 | 12 | 8 |
| 2025 | 13 | 4 |
| 2026 | 1 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure applying device28 Jul 2026US 12,692,881 B2Eagle Industry Co., Ltd.
- Aircraft store ejector system16 Dec 2025US 12,497,168 B2Marvin Engineering Co., Inc.
- Actuator for machine25 Nov 2025US 12,480,537 B2Caterpillar Inc.
- Hydraulic cylinder assembly for dump trailers11 Nov 2025US 12,466,301 B2Bearclaw Equip Inc.
- External fluid bar for fluid driven cylinder4 Nov 2025US 12,460,546 B1
- Dump trailer16 Jul 2026US 2026/0200387 A1
- Fluid pressure cylinder2 Jul 2026US 2026/0185549 A1KYB Corporation
- Telescopic cylinder with a feed/discharge conduit of variable length18 Jun 2026US 2026/0168522 A1Manitou Italia S.R.L.
- Device4 Jun 2026US 2026/0153102 A1Hydac Technology GmbH
- Telescopic cylinder with variable volume feed channels and cylinder control28 May 2026US 2026/0146630 A1Manitou Italia S.R.L.
Most cited
By later US patents
- Pneumatic telescoping cylinder and method1,499US 5,341,724 A1994
- Multi-stage extendible and contractible shaft with shock absorption32US 3,973,468 A1976
- Hydraulic actuator for semi levered landing gear31US 9,481,452 B2The Boeing Company · 2016
- Multiple-stage hydraulic cylinder30US 5,613,418 AMAN Gutehoffnungshutte Aktiengesellschaft · 1997
- Three stage thrusting device27US 4,075,929 AThe United States of America as represented by the Secretary of the Air Force · 1978