F15B 13/0405
For seat valves, i.e. poppet valves
Official title: {for seat valves, i.e. poppet valves}
F15B13/0405 (For seat valves, i.e. poppet valves) appears on 354 US grants and 227 published applications in this corpus.
Search patents in F15B- Granted patents
- 354
- Published applications
- 227
- Assignees
- 210
- Inventors
- 652
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 4 |
| 2002 | 15 | 7 |
| 2003 | 8 | 12 |
| 2004 | 11 | 5 |
| 2005 | 7 | 4 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 3 | 8 |
| 2010 | 0 | 7 |
| 2011 | 3 | 5 |
| 2012 | 8 | 15 |
| 2013 | 6 | 8 |
| 2014 | 11 | 10 |
| 2015 | 14 | 8 |
| 2016 | 8 | 9 |
| 2017 | 8 | 14 |
| 2018 | 7 | 12 |
| 2019 | 10 | 15 |
| 2020 | 16 | 13 |
| 2021 | 15 | 14 |
| 2022 | 10 | 14 |
| 2023 | 9 | 8 |
| 2024 | 16 | 15 |
| 2025 | 13 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pneumohydraulic pressure intensifier12 May 2026US 12,624,710 B2WS Wieländer + Schill Engineering GmbH & Co. KG
- Valve module system12 May 2026US 12,624,712 B2Festo AG & Co.
- Valves for controlling flow of pressurized fluid to a tool5 May 2026US 12,618,485 B2Enerpac Tool Group Corp.
- Hydraulic fluid release valve assemblies21 Apr 2026US 12,607,271 B2Roadtek Enterprises Inc.
- System for braking a displacement-controlled drive system27 Jan 2026US 12,534,055 B2Hydac Fluidtechnik GmbH
- Pressure compensation valve and hydraulic control system28 May 2026US 2026/0145919 A1Zhejiang Senstren Technology Co., LTD
- Valve Assembly for Double-Acting Hoisting Mechanism29 Jan 2026US 2026/0029001 A1Robert Bosch GmbH
- Pneumohydraulic pressure intensifier22 Jan 2026US 2026/0022711 A1WS Wieländer + Schill Engineering GmbH & Co. KG
- Cylinder with automatic hydraulic fluid circulation1 Jan 2026US 2026/0002552 A1Milwaukee Cylinder Enterprises, LLC
- Hydraulic fluid release valve assemblies25 Sep 2025US 2025/0297688 A1Rubicon Inc.
Most cited
By later US patents
- Microstructure gas valve control172US 5,176,358 AHoneywell Inc. · 1993
- Microstructure gas valve control171US 5,323,999 AHoneywell Inc. · 1994
- Microstructure gas valve control forming method168US 5,441,597 AHoneywell Inc. · 1995
- Hydraulic system with cross function regeneration90US 6,502,393 B1HUSCO International, Inc. · 2003
- Solenoid control valve57US 6,209,563 B1Saturn Electronics & Engineering, Inc. · 2001