F16J 15/3292
Lamellar structures
F16J15/3292 (Lamellar structures) appears on 138 US grants and 163 published applications in this corpus.
Search patents in F16J- Granted patents
- 138
- Published applications
- 163
- Assignees
- 47
- Inventors
- 199
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 5 |
| 2003 | 4 | 8 |
| 2004 | 4 | 4 |
| 2005 | 4 | 4 |
| 2006 | 2 | 5 |
| 2007 | 4 | 7 |
| 2008 | 6 | 15 |
| 2009 | 2 | 9 |
| 2010 | 7 | 9 |
| 2011 | 5 | 9 |
| 2012 | 13 | 7 |
| 2013 | 11 | 19 |
| 2014 | 8 | 5 |
| 2015 | 12 | 12 |
| 2016 | 7 | 8 |
| 2017 | 8 | 7 |
| 2018 | 3 | 7 |
| 2019 | 10 | 10 |
| 2020 | 10 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-centering seal and method of using same4 Nov 2025US 12,460,727 B2Rtx Corporation
- Shaft seal device and rotary machine1 Jul 2025US 12,345,335 B2Mitsubishi Heavy Industries, Ltd.
- Seal assembly and method of manufacturing25 Mar 2025US 12,258,866 B2Pratt & Whitney Canada Corp.
- Trailing piston having a support lip5 Dec 2023US 11,835,139 B2Ritter GmbH
- Seal segment and rotating machine28 Mar 2023US 11,614,035 B2Mitsubishi Heavy Industries, Ltd.
- Sealing ring assembly for sealing a rotating shaft on extraction equipment16 Jul 2026US 2026/0201954 A1
- Seal assembly and method of manufacturing3 Jul 2025US 2025/0215804 A1Pratt & Whitney Canada Corp.
- Seal assembly and method of manufacturing5 Dec 2024US 2024/0401492 A1Pratt & Whitney Canada Corp.
- Shaft seal device and rotary machine18 Apr 2024US 2024/0125391 A1Mitsubishi Heavy Industries, Ltd.
- Trailing piston having a support lip13 Oct 2022US 2022/0325799 A1Ritter GmbH
Most cited
By later US patents
- Resilient strip seal arrangement77US 6,267,381 B1ROLLS-ROYCE plc · 2001
- Shaft seal and turbine using the same66US 6,343,792 B12002
- Pressure balanced compliant seal device65US 5,370,402 AEG&G Sealol, Inc. · 1994
- Sheet brush seal49US 6,935,631 B2Eagle Industry Co., Ltd. · 2005
- Brush seal device44US 6,601,853 B2Eagle Industry Co., Ltd. · 2003