F16J 15/3456
Without external means for pressing the ring against the face
Official title: {without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip}
F16J15/3456 (Without external means for pressing the ring against the face) appears on 279 US grants and 205 published applications in this corpus.
Search patents in F16J- Granted patents
- 279
- Published applications
- 205
- Assignees
- 176
- Inventors
- 616
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 15 | 0 |
| 1981 | 16 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 11 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 3 | 8 |
| 2005 | 5 | 7 |
| 2006 | 6 | 4 |
| 2007 | 0 | 7 |
| 2008 | 3 | 10 |
| 2009 | 5 | 4 |
| 2010 | 3 | 13 |
| 2011 | 6 | 9 |
| 2012 | 6 | 9 |
| 2013 | 9 | 6 |
| 2014 | 7 | 8 |
| 2015 | 7 | 7 |
| 2016 | 3 | 12 |
| 2017 | 7 | 6 |
| 2018 | 7 | 10 |
| 2019 | 9 | 8 |
| 2020 | 4 | 15 |
| 2021 | 5 | 12 |
| 2022 | 14 | 20 |
| 2023 | 11 | 9 |
| 2024 | 12 | 6 |
| 2025 | 5 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shaft seal6 Jan 2026US 12,515,777 B2Tides Marine, Inc.
- Cassette seal30 Dec 2025US 12,510,160 B2AGCO International GmbH
- Sealing device and in-wheel motor including the same2 Dec 2025US 12,485,741 B2Hyundai Motor Company
- Sealing arrangement for wheel bearings, and wheel bearing unit comprising a sealing arrangement21 Oct 2025US 12,449,003 B2Schaeffler Technologies AG & Co. KG
- Shaft sealing device14 Oct 2025US 12,442,450 B2Eagleburgmann Japan Co., Ltd.
- Seal structure, rotary table device, and machine tool8 Oct 2026US 2026/0309233 A1Fanuc Corporation
- Sealing device for a rolling bearing and associated rolling bearing4 Jun 2026US 2026/0153126 A1Aktiebolaget Skf
- Shaft Seal7 May 2026US 2026/0125144 A1Tides Marine, Inc.
- Seal and system with a seal12 Mar 2026US 2026/0071680 A1Stasskol GmbH
- Sealing device27 Nov 2025US 2025/0361911 A1Nok Corporation
Most cited
By later US patents
- Seal for relatively rotatable parts286US 4,494,759 A1985
- Electromagnetic pulse rotary seal117US 4,807,891 AThe United States of America as represented by the Secretary of the Air Force · 1989
- Shaft seal53US 4,311,315 ASealing AG · 1982
- Drilling apparatus and cutter therefor50US 4,722,615 AA-Z International Tool Company · 1988
- Multi-position labyrinth seal ring49US 5,024,451 AGarlock Inc. · 1991