F16J 15/54
Sealings: other sealings for rotating shafts
Official title: Other sealings for rotating shafts
F16J15/54 (Sealings: other sealings for rotating shafts) appears on 237 US grants and 140 published applications in this corpus.
Search patents in F16J- Granted patents
- 237
- Published applications
- 140
- Assignees
- 191
- Inventors
- 498
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 11 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 16 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 5 |
| 2009 | 2 | 6 |
| 2010 | 5 | 7 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 6 |
| 2014 | 4 | 4 |
| 2015 | 3 | 5 |
| 2016 | 2 | 6 |
| 2017 | 8 | 4 |
| 2018 | 3 | 6 |
| 2019 | 6 | 9 |
| 2020 | 8 | 11 |
| 2021 | 5 | 15 |
| 2022 | 6 | 10 |
| 2023 | 10 | 12 |
| 2024 | 14 | 9 |
| 2025 | 9 | 11 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas turbine engine defining a rotor cavity11 Aug 2026US 12,704,095 B2General Electric Company
- Sealing system11 Aug 2026US 12,704,181 B2Driventic GmbH
- Seal unit, joint, industrial device and method26 May 2026US 12,638,082 B2ABB Schweiz AG
- Sealing ring and sealed structure including same5 May 2026US 12,618,473 B2Nok Corporation
- Piston seal ring bypass31 Mar 2026US 12,590,634 B2Rtx Corporation
- Pusher seal assembly24 Sep 2026US 2026/0287063 A1John Crane Inc.
- Piston Seal Ring Bypass9 Jul 2026US 2026/0194140 A1Rtx Corporation
- Hydraulic blocking rotary actuator with continuous seal extending to radial locations25 Jun 2026US 2026/0177082 A1Woodward, Inc.
- Method For Manufacturing Sealing Structure And Sealing Structure11 Dec 2025US 2025/0377040 A1Nok Corporation
- Gas turbine engine defining a rotor cavity20 Nov 2025US 2025/0354521 A1General Electric Company
Most cited
By later US patents
- Rotating blowout preventor with index kelly drive bushing and stripper rubber83US 4,208,056 A1980
- High pressure rotary shaft sealing mechanism77US 6,227,547 B1Kalsi Engineering, Inc. · 2001
- Idler roller bearing and seal67US 5,028,054 AFMC Corporation · 1991
- EDM cutting machine including device for preventing transmission of sealing plate movement to guide head arm61US 4,918,279 ACharmilles Technologies S.A. · 1990
- Linear gas bearing with integral vacuum seal for use in serial process ion implantation equipment50US 4,726,689 AEclipse Ion Technology, Inc. · 1988