F16J 15/38
Sealed by a packing
Official title: sealed by a packing
F16J15/38 (Sealed by a packing) appears on 139 US grants and 135 published applications in this corpus.
Search patents in F16J- Granted patents
- 139
- Published applications
- 135
- Assignees
- 88
- Inventors
- 286
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 6 |
| 2003 | 5 | 3 |
| 2004 | 5 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 2 | 5 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 2 | 4 |
| 2011 | 5 | 1 |
| 2012 | 3 | 6 |
| 2013 | 2 | 1 |
| 2014 | 5 | 8 |
| 2015 | 3 | 9 |
| 2016 | 3 | 5 |
| 2017 | 7 | 4 |
| 2018 | 5 | 3 |
| 2019 | 2 | 11 |
| 2020 | 9 | 12 |
| 2021 | 3 | 4 |
| 2022 | 6 | 7 |
| 2023 | 8 | 10 |
| 2024 | 9 | 6 |
| 2025 | 4 | 9 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing assembly having a primary and a secondary seal25 Aug 2026US 12,716,503 B2The Boeing Company
- Valve device and electric valve2 Jun 2026US 12,644,531 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Rotary machine seal having a wear protection assembly with an abradable covering12 May 2026US 12,624,643 B2General Electric Company
- Piston seal ring10 Mar 2026US 12,571,472 B2Rtx Corporation
- Seal assembly and roller10 Mar 2026US 12,571,473 B2Andritz Kuesters GmbH
- Mechanical seal24 Sep 2026US 2026/0287060 A1Eagle Industry Co., Ltd.
- Rotary machine seal having a wear protection assembly with an abradable covering13 Aug 2026US 2026/0235041 A1General Electric Company
- Sealing rings5 Feb 2026US 2026/0036205 A1John Crane Inc.
- Seal arrangement14 Aug 2025US 2025/0257800 A1
- End face mechanical sealing device, end face mechanical seal, and method for mounting an end face mechanical sealing device7 Aug 2025US 2025/0251042 A1
Most cited
By later US patents
- Secondary seal for gas turbines35US 5,172,918 AJohn Crane Inc. · 1992
- Mechanical seal32US 5,076,589 ABW/IP International, Inc. · 1991
- Reverse pressure tolerant seal means31US 5,813,674 AUnited Technologies Corporation · 1998
- Non-contacting gas compressor seal29US 6,655,693 B2John Crane Inc. · 2003
- Rotary barrier face seal23US 6,494,460 B22002