F16J 15/444
With facing materials having honeycomb-like structure
Official title: {with facing materials having honeycomb-like structure}
F16J15/444 (With facing materials having honeycomb-like structure) appears on 62 US grants and 74 published applications in this corpus.
Search patents in F16J- Granted patents
- 62
- Published applications
- 74
- Assignees
- 35
- Inventors
- 195
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 6 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 2 | 2 |
| 2015 | 4 | 8 |
| 2016 | 2 | 6 |
| 2017 | 2 | 7 |
| 2018 | 5 | 7 |
| 2019 | 4 | 5 |
| 2020 | 8 | 3 |
| 2021 | 1 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 3 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Labyrinth seal comprising an abradable element with variable cell density15 Jul 2025US 12,359,582 B2Safran Aircraft Engines
- Lubricant sealing structure, strain wave gearing, and actuator17 Sep 2024US 12,092,221 B2Harmonic Drive Systems Inc.
- Abradable member for a turbine of a turbomachine, comprising a wear face provided with guide vanes28 May 2024US 11,994,032 B2Safran Aircraft Engines
- Sealing device, rotary machine, and design method for sealing device preliminary class12 Mar 2024US 11,927,195 B2Mitsubishi Heavy Industries, Ltd.
- Repair methods and systems for honeycomb structures in gas turbine engines21 Nov 2023US 11,819,966 B2Rtx Corporation
- Sealing device, rotary machine, and design method for sealing device14 Sep 2023US 2023/0287894 A1Mitsubishi Heavy Industries, Ltd.
- Lubricant sealing structure, strain wave gearing, and actuator6 Apr 2023US 2023/0109061 A1Harmonic Drive Systems Inc.
- Repair methods and systems for honeycomb structures in gas turbine engines2 Mar 2023US 2023/0061452 A1Raytheon Technologies Corporation
- Sealing structure and sealing system for gas turbine engine29 Dec 2022US 2022/0412224 A1Itp Next Generation Turbines S.L.
- Abradable member for a turbine of a turbomachine, comprising a wear face provided with guide vanes1 Sep 2022US 2022/0275731 A1Safran Aircraft Engines
Most cited
By later US patents
- Gas turbine interstage portion seal device49US 5,967,746 AMitsubishi Heavy Industries, Ltd. · 1999
- Cooling of a honeycomb seal in the part of a gas turbine to which hot gas is admitted42US 6,171,052 B2GHH Borsig Turbomaschinen GmbH · 2001
- Rotary seal23US 4,218,066 AUnited Technologies Corporation · 1980
- Methods and apparatus for reducing seal teeth wear21US 6,652,226 B2General Electric Company · 2003
- Abradable fluid seal for aircraft gas turbines20US 4,063,742 AKentucky Metals, Inc. · 1977