F16J 15/3436
Pressing means
Official title: {Pressing means}
F16J15/3436 (Pressing means) appears on 921 US grants and 753 published applications in this corpus.
Search patents in F16J- Granted patents
- 921
- Published applications
- 753
- Assignees
- 466
- Inventors
- 1,688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 7 | 0 |
| 1978 | 15 | 0 |
| 1979 | 9 | 0 |
| 1980 | 25 | 0 |
| 1981 | 25 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 24 | 0 |
| 1985 | 18 | 0 |
| 1986 | 21 | 0 |
| 1987 | 10 | 0 |
| 1988 | 14 | 0 |
| 1989 | 21 | 0 |
| 1990 | 13 | 0 |
| 1991 | 11 | 0 |
| 1992 | 17 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 18 | 0 |
| 2002 | 12 | 12 |
| 2003 | 8 | 14 |
| 2004 | 11 | 28 |
| 2005 | 14 | 22 |
| 2006 | 18 | 10 |
| 2007 | 6 | 19 |
| 2008 | 9 | 18 |
| 2009 | 5 | 14 |
| 2010 | 9 | 26 |
| 2011 | 14 | 27 |
| 2012 | 16 | 31 |
| 2013 | 17 | 23 |
| 2014 | 23 | 39 |
| 2015 | 24 | 41 |
| 2016 | 37 | 57 |
| 2017 | 38 | 33 |
| 2018 | 30 | 40 |
| 2019 | 39 | 44 |
| 2020 | 37 | 60 |
| 2021 | 31 | 46 |
| 2022 | 49 | 45 |
| 2023 | 43 | 32 |
| 2024 | 45 | 29 |
| 2025 | 29 | 24 |
| 2026 | 14 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16J 15/3456Without external means for pressing the ring against the face279
- F16J 15/344The pressing force being applied by means of an elastic ring supporting258
- F16J 15/3452The pressing force resulting from the action of a spring200
- F16J 15/3448The pressing force resulting from fluid pressure140
- F16J 15/346The pressing force varying during operation60
- F16J 15/3444By magnetic attraction42
Recent patents
- Tiltable floating lip seal6 Oct 2026US 12,753,838 B2Flowserve Pte. Ltd.
- Mechanical seal arrangement6 Oct 2026US 12,753,839 B2Eagleburgmann Germany GmbH & Co.KG
- Fluid end with clamped retention25 Aug 2026US 12,716,495 B2Kerr Machine Co.
- Sealing system11 Aug 2026US 12,704,181 B2Driventic GmbH
- Seal arrangement for a fluid valve, fluid valve and vehicle21 Jul 2026US 12,687,230 B2Vitesco Technologies GmbH
- Seal structure, rotary table device, and machine tool8 Oct 2026US 2026/0309233 A1Fanuc Corporation
- Seal assembly for build tanks20 Aug 2026US 2026/0243350 A1General Electric Company
- Double-section spring element6 Aug 2026US 2026/0226986 A1Rolls-Royce Deutschland Ltd & Co KG
- Mechanical seal arrangement30 Jul 2026US 2026/0218793 A1Eagleburgmann Germany GmbH & Co.KG
- Hard sealing ring having an anti-friction surface, anti-friction sealing device, and production method16 Jul 2026US 2026/0201960 A1Procudi GmbH
Most cited
By later US patents
- Seal for relatively rotatable parts286US 4,494,759 A1985
- Method and apparatus for sterilization of a centrifugal pump126US 4,643,641 AMICI Limited Partnership IV · 1987
- Electromagnetic pulse rotary seal117US 4,807,891 AThe United States of America as represented by the Secretary of the Air Force · 1989
- Controlled temperature combustion engine113US 6,651,432 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2003
- Dual concentric canted-coil spring apparatus92US 4,907,788 A1990