F16J 15/40
By means of fluid
Official title: by means of fluid
F16J15/40 (By means of fluid) appears on 1,024 US grants and 613 published applications in this corpus.
Search patents in F16J- Granted patents
- 1,024
- Published applications
- 613
- Assignees
- 546
- Inventors
- 1,819
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 20 | 0 |
| 1978 | 25 | 0 |
| 1979 | 14 | 0 |
| 1980 | 28 | 0 |
| 1981 | 30 | 0 |
| 1982 | 21 | 0 |
| 1983 | 24 | 0 |
| 1984 | 37 | 0 |
| 1985 | 38 | 0 |
| 1986 | 30 | 0 |
| 1987 | 24 | 0 |
| 1988 | 21 | 0 |
| 1989 | 34 | 0 |
| 1990 | 25 | 0 |
| 1991 | 33 | 0 |
| 1992 | 24 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 2 |
| 2002 | 6 | 4 |
| 2003 | 10 | 12 |
| 2004 | 12 | 16 |
| 2005 | 10 | 10 |
| 2006 | 13 | 11 |
| 2007 | 5 | 17 |
| 2008 | 11 | 16 |
| 2009 | 3 | 17 |
| 2010 | 7 | 35 |
| 2011 | 12 | 31 |
| 2012 | 13 | 20 |
| 2013 | 20 | 20 |
| 2014 | 15 | 32 |
| 2015 | 24 | 40 |
| 2016 | 25 | 40 |
| 2017 | 35 | 41 |
| 2018 | 33 | 31 |
| 2019 | 44 | 31 |
| 2020 | 21 | 33 |
| 2021 | 39 | 30 |
| 2022 | 34 | 37 |
| 2023 | 34 | 25 |
| 2024 | 25 | 30 |
| 2025 | 25 | 16 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sliding component1 Sep 2026US 12,723,656 B2Eagle Industry Co., Ltd.
- Internal passive ventilation solution for closed loop dryer systems18 Aug 2026US 12,709,835 B2Whirlpool Corporation
- Blast furnace distributing device with nitrogen sealing structure4 Aug 2026US 12,698,540 B2
- Anti-nuclear radiation magnetic fluid sealing device9 Jun 2026US 12,651,675 B2Beijing Jiaotong University
- Sealing gas leakage recovery and sealing gas boosting system and method28 Apr 2026US 12,612,922 B2Nuovo Pignone Tecnologie Srl
- Seal structure, rotary table device, and machine tool8 Oct 2026US 2026/0309233 A1Fanuc Corporation
- Axial pump with reduced clearance feature1 Oct 2026US 2026/0298345 A1Pratt & Whitney Canada Corp.
- Seal gas emissions from dry gas seals10 Sep 2026US 2026/0266371 A1AES Engineering Ltd.
- Sealing segment for a turbomachine10 Sep 2026US 2026/0266376 A1Siemens Energy Global GmbH & Co. KG
- Wafer holder10 Sep 2026US 2026/0271673 A1
Most cited
By later US patents
- Apparatus and method for noise attenuation in a speech recognition system205US 6,768,979 B1Sony Corporation · 2004
- Device for the axial transport of fluid media173US 6,719,791 B1Berlin Heart GmbH · 2004
- Controlled temperature combustion engine113US 6,651,432 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2003
- Fluid-sealed shaft seal with bores for supplying and discharging fluid85US 4,523,764 AM. A. N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft · 1985
- Electroactive fluid torque transmission apparatus with ferrofluid seal73US 5,007,513 ALord Corporation · 1991