F16J 15/42
Kept in sealing position by centrifugal force
Official title: kept in sealing position by centrifugal force
F16J15/42 (Kept in sealing position by centrifugal force) appears on 52 US grants and 32 published applications in this corpus.
Search patents in F16J- Granted patents
- 52
- Published applications
- 32
- Assignees
- 30
- Inventors
- 77
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 5 |
| 2005 | 4 | 4 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 1 |
| 2017 | 0 | 3 |
| 2018 | 5 | 1 |
| 2019 | 3 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wind turbine drivetrain component with low friction radial shaft seal23 Jan 2024US 11,879,439 B2Vestas Wind Systems A/S
- Centrifugal hydraulic seal1 Aug 2023US 11,713,812 B2Syncrude Canada Ltd.
- Hydraulic seal arrangement5 Jan 2021US 10,883,607 B2ROLLS-ROYCE plc
- High pressure circumferential lift-off seal27 Aug 2019US 10,393,266 B2Kaydon Ring & Seal, Inc.
- Hydraulic seal for non-mainshaft, rotating to static6 Aug 2019US 10,371,263 B2United Technologies Corporation
- Centrifugal hydraulic seal7 Apr 2022US 2022/0107023 A1SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such owners exits now and
- Wind turbine drivetrain component with low friction radial shaft seal8 Apr 2021US 2021/0102528 A1Vestas Wind Systems A/S
- Hydraulic seal arrangement25 Apr 2019US 2019/0120386 A1ROLLS-ROYCE plc
- Rotating machine comprising a seal ring damping system21 Mar 2019US 2019/0085859 A1Thermodyn
- High Pressure Circumferential Lift-Off Seal3 Jan 2019US 2019/0003591 A1Kaydon Ring & Seal, Inc.
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
- Fluid seal with shaft excursion compensation36US 4,671,677 AMechanical Technology Incorporated · 1987
- Low emission diesel combustion system with low charge-air oxygen concentration levels and high fuel injection pressures36US 6,857,263 B2The United States of America as represented by the Administrator of the Environmental Protection Agency · 2005
- Hybrid magnetic fluid shaft seals30US 4,054,293 ABorg-Warner Corporation · 1977
- Vee-shaped magnetic/centrifugal seal and method of operation29US 4,455,026 AMechanical Technology Incorporated · 1984