F16C 33/723
Shaft end sealing means
Official title: {Shaft end sealing means, e.g. cup-shaped caps or covers}
F16C33/723 (Shaft end sealing means) appears on 394 US grants and 330 published applications in this corpus.
Search patents in F16C- Granted patents
- 394
- Published applications
- 330
- Assignees
- 165
- Inventors
- 708
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 0 |
| 2002 | 4 | 6 |
| 2003 | 8 | 10 |
| 2004 | 7 | 16 |
| 2005 | 9 | 11 |
| 2006 | 10 | 12 |
| 2007 | 10 | 13 |
| 2008 | 5 | 17 |
| 2009 | 11 | 8 |
| 2010 | 6 | 13 |
| 2011 | 12 | 11 |
| 2012 | 6 | 16 |
| 2013 | 13 | 16 |
| 2014 | 22 | 11 |
| 2015 | 14 | 28 |
| 2016 | 23 | 16 |
| 2017 | 12 | 17 |
| 2018 | 13 | 23 |
| 2019 | 13 | 19 |
| 2020 | 13 | 11 |
| 2021 | 12 | 16 |
| 2022 | 14 | 17 |
| 2023 | 15 | 7 |
| 2024 | 14 | 7 |
| 2025 | 7 | 6 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protective cover structure for the slip assembly11 Aug 2026US 12,704,154 B2
- Wheel hub bearing assembly with sealing device30 Dec 2025US 12,510,118 B2Aktiebolaget Skf
- Drive axle assembly2 Dec 2025US 12,485,702 B2Hyundai Wia Corporation
- Rolling bearing, rotating device, and method for manufacturing rolling bearing28 Oct 2025US 12,454,983 B2Seiko Instruments Inc.
- Sealing cap or component of a sealing device for a roller bearing, associated roller bearing, in particular for a hub bearing unit, and associated method14 Oct 2025US 12,442,417 B2Aktiebolaget Skf
- Rotation support device for flying object6 Aug 2026US 2026/0226940 A1Nsk Ltd.
- Motor with distributed oil-passing on motor shaft, powertrain, and electric vehicle30 Apr 2026US 2026/0121483 A1Huawei Digital Power Technologies Co., Ltd.
- Affirmatively retained self-sealing bearing cap26 Feb 2026US 2026/0055792 A1Valcrum, LLC
- Casing for food applications18 Dec 2025US 2025/0382994 A1Aktiebolaget Skf
- Support assembly for food applications11 Dec 2025US 2025/0377025 A1
Most cited
By later US patents
- Shaft support assembly for use in a polygon mirror drive motor59US 5,254,893 A1993
- Bearing mounting for shafts42US 5,328,276 A1994
- Rolling bearing unit for road wheel40US 6,217,220 B1Nsk Ltd. · 2001
- Tensioning or deflection pulley for a belt drive39US 7,011,593 B2INA-Schaeffler KG · 2006
- Castor wheel37US 4,054,335 ASKF Industrial Trading and Development Company, B.V. · 1977