F15B 2015/1495
With screw mechanism attached to the piston
Official title: {with screw mechanism attached to the piston}
F15B2015/1495 (With screw mechanism attached to the piston) appears on 61 US grants and 42 published applications in this corpus.
Search patents in F15B- Granted patents
- 61
- Published applications
- 42
- Assignees
- 45
- Inventors
- 109
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 4 |
| 2017 | 2 | 4 |
| 2018 | 4 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 6 | 4 |
| 2022 | 3 | 5 |
| 2023 | 5 | 2 |
| 2024 | 3 | 5 |
| 2025 | 5 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear actuator19 May 2026US 12,630,285 B2Goodrich Actuation Systems Limited
- Feed screw mechanism and electric actuator16 Dec 2025US 12,498,025 B2Ntn Corporation
- Fluid power actuator utilizing a screw assembly21 Oct 2025US 12,449,216 B2Textron Systems Corporation
- Vehicle brake apparatus15 Jul 2025US 12,358,484 B2Hyundai Mobis Co., Ltd.
- Brake device for vehicle1 Jul 2025US 12,344,210 B2Hyundai Mobis Co., Ltd.
- Linear actuator with energy recuperation capability27 Nov 2025US 2025/0361888 A1Purdue Research Foundation
- Ball screw drive and electromechanical actuator27 Nov 2025US 2025/0361928 A1Schaeffler Technologies AG & Co. KG
- Linear actuator25 Sep 2025US 2025/0296677 A1Goodrich Actuation Systems Limited
- Fluid power actuator utilizing a screw and nut assembly20 Feb 2025US 2025/0059989 A1Textron Systems Corporation
- Feed screw mechanism and electric actuator26 Dec 2024US 2024/0426370 A1Ntn Corporation
Most cited
By later US patents
- Fluid apparatus43US 4,932,311 ADaihatsu Diesel Mfg. Co., Ltd. · 1990
- Blowout preventer ram lock30US 4,076,208 AHydril Company · 1978
- Actuator28US 4,442,928 AThe Bendix Corporation · 1984
- Lock for a thrust reverser mechanism, a thrust reverser mechanism, and a thrust reverser27US 5,280,704 ALucas Industries public limited company · 1994
- Regulated speed linear actuator22US 5,806,402 A1998