F16J 15/3448
The pressing force resulting from fluid pressure
Official title: {the pressing force resulting from fluid pressure}
F16J15/3448 (The pressing force resulting from fluid pressure) appears on 140 US grants and 133 published applications in this corpus.
Search patents in F16J- Granted patents
- 140
- Published applications
- 133
- Assignees
- 95
- Inventors
- 254
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 9 |
| 2005 | 4 | 5 |
| 2006 | 5 | 0 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 6 |
| 2013 | 0 | 5 |
| 2014 | 4 | 6 |
| 2015 | 6 | 7 |
| 2016 | 8 | 12 |
| 2017 | 10 | 2 |
| 2018 | 7 | 5 |
| 2019 | 4 | 10 |
| 2020 | 7 | 11 |
| 2021 | 6 | 4 |
| 2022 | 5 | 7 |
| 2023 | 7 | 6 |
| 2024 | 11 | 12 |
| 2025 | 8 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing system11 Aug 2026US 12,704,181 B2Driventic GmbH
- Cartridge sealing device with semi-solid mud filler and configured to be mounted to fluid equipment26 May 2026US 12,638,083 B2AIGI Environmental Inc.
- Hydraulically supported face seal12 May 2026US 12,624,762 B2Rtx Corporation
- Motor load interface sealing arrangement21 Apr 2026US 12,607,173 B2Goodrich Actuation Systems Limited
- Seal ring27 Jan 2026US 12,535,138 B2Nok Corporation
- System and method for automatically sensing a position of a packing loading assembly with a position sensor28 May 2026US 2026/0146671 A1A. W. Chesterton Company
- Pressure balanced self-regulating mechanical packing sealing assembly30 Apr 2026US 2026/0117872 A1A. W. Chesterton Company
- Cartridge sealing device with semi-solid mud filler and configured to be mounted to fluid equipment30 Apr 2026US 2026/0117873 A1AIGI Environmental Inc.
- Sealing Structure5 Mar 2026US 2026/0063206 A1Zhejiang Sanou Machinery Co. Ltd.
- System and method for automatically energizing packing material with a packing loading assembly27 Nov 2025US 2025/0361938 A1A. W. Chesterton Company
Most cited
By later US patents
- Controlled temperature combustion engine113US 6,651,432 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2003
- Gas separation device68US 8,262,783 B2Air Products and Chemicals, Inc. · 2012
- Rotary face seal assembly60US 7,044,470 B2PerkinElmer, Inc. · 2006
- Static pressure non-contact gas seal53US 6,135,458 ANippon Pillar Packing Co., Ltd. · 2000
- Sliding parts48US 9,353,867 B2Eagle Industry Co., Ltd. · 2016