F16J 15/324
Arrangements for lubrication or cooling of the sealing itself
F16J15/324 (Arrangements for lubrication or cooling of the sealing itself) appears on 295 US grants and 318 published applications in this corpus.
Search patents in F16J- Granted patents
- 295
- Published applications
- 318
- Assignees
- 198
- Inventors
- 698
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 4 | 8 |
| 2003 | 2 | 9 |
| 2004 | 7 | 11 |
| 2005 | 4 | 4 |
| 2006 | 10 | 10 |
| 2007 | 4 | 8 |
| 2008 | 2 | 16 |
| 2009 | 2 | 9 |
| 2010 | 7 | 18 |
| 2011 | 13 | 12 |
| 2012 | 10 | 14 |
| 2013 | 14 | 12 |
| 2014 | 9 | 13 |
| 2015 | 8 | 15 |
| 2016 | 8 | 17 |
| 2017 | 12 | 10 |
| 2018 | 11 | 12 |
| 2019 | 15 | 16 |
| 2020 | 8 | 12 |
| 2021 | 11 | 21 |
| 2022 | 16 | 18 |
| 2023 | 13 | 12 |
| 2024 | 15 | 12 |
| 2025 | 15 | 18 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing device and electric motor29 Sep 2026US 12,747,792 B2Nok Corporation
- Tandem seal pump8 Sep 2026US 12,729,692 B2Ceco Environmental IP Inc.
- Arrangement and method for sealing a propeller shaft of a marine vessel18 Aug 2026US 12,709,372 B2ABB AB
- Slick durable seal18 Aug 2026US 12,710,097 B2Uchicago Argonne, LLC
- Sealing arrangement with grounding element16 Jun 2026US 12,655,907 B2Carl Freudenberg KG
- Lubricant Pumping Seal13 Aug 2026US 2026/0235207 A1System Seals, Inc.
- Method for producing sealing device23 Apr 2026US 2026/0110331 A1Uchiyama Manufacturing Corp.
- Plated member and manufacturing method thereof26 Mar 2026US 2026/0085439 A1Hitachi Astemo, Ltd.
- Sealing device26 Mar 2026US 2026/0085754 A1Nok Corporation
- Plated member and manufacturing method thereof12 Mar 2026US 2026/0071345 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Bearing with multiple lip seal401US 3,955,859 AThe Torrington Company · 1976
- Hydrodynamically lubricated rotary shaft seal having twist resistant geometry84US 5,230,520 AKalsi Engineering, Inc. · 1993
- High pressure rotary shaft sealing mechanism77US 6,227,547 B1Kalsi Engineering, Inc. · 2001
- Rotating control head radial seal protection and leak detection systems54US 7,836,946 B2Weatherford/Lamb, Inc. · 2010
- Flexible brush-type seal with layered moving sealing surface49US 4,600,202 AMTU Motoren- und Turbinen-Union Muenchen GmbH · 1986