F16J 15/3252
With rigid casings or supports
Official title: with rigid casings or supports
F16J15/3252 (With rigid casings or supports) appears on 877 US grants and 865 published applications in this corpus.
Search patents in F16J- Granted patents
- 877
- Published applications
- 865
- Assignees
- 328
- Inventors
- 1,511
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 12 | 0 |
| 1991 | 14 | 0 |
| 1992 | 7 | 0 |
| 1993 | 15 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 2 |
| 2002 | 20 | 14 |
| 2003 | 17 | 33 |
| 2004 | 19 | 42 |
| 2005 | 15 | 26 |
| 2006 | 28 | 33 |
| 2007 | 13 | 44 |
| 2008 | 19 | 48 |
| 2009 | 9 | 39 |
| 2010 | 18 | 44 |
| 2011 | 28 | 29 |
| 2012 | 19 | 26 |
| 2013 | 25 | 18 |
| 2014 | 25 | 28 |
| 2015 | 14 | 22 |
| 2016 | 18 | 44 |
| 2017 | 32 | 34 |
| 2018 | 36 | 46 |
| 2019 | 38 | 42 |
| 2020 | 38 | 55 |
| 2021 | 36 | 45 |
| 2022 | 44 | 49 |
| 2023 | 37 | 29 |
| 2024 | 36 | 31 |
| 2025 | 37 | 27 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid end with clamped retention25 Aug 2026US 12,716,495 B2Kerr Machine Co.
- Outboard drive axle hub seal with venting25 Aug 2026US 12,716,497 B2Freudenberg-NOK General Partnership
- Cartridge seal25 Aug 2026US 12,716,499 B2ErgoSeal, Inc.
- Sealing device16 Jun 2026US 12,655,906 B2Nok Corporation
- Sealing device and manufacturing method therefor26 May 2026US 12,638,081 B2Schaeffler Technologies AG & Co. KG
- Mechanical seal24 Sep 2026US 2026/0287060 A1Eagle Industry Co., Ltd.
- Hub bearing20 Aug 2026US 2026/0243349 A1MINEBEA MITSUMI Inc.
- Hydrogen combustion engine valve sealing25 Jun 2026US 2026/0176990 A1DAF Trucks N. V.
- Combined type sealing ring of hub bearing and machining method thereof11 Jun 2026US 2026/0160299 A1C&U Company Limited.
- Sliding component11 Jun 2026US 2026/0160336 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Idler roller bearing and seal67US 5,028,054 AFMC Corporation · 1991
- Unitized seal with unitizing joint remote from seal lip65US 5,004,248 AGarlock Inc. · 1991
- End effector of a surgical robotic manipulator54US 9,566,121 B2Stryker Corporation · 2017
- Unitized grit seal with removable thrust bumper53US 5,183,269 AChicago Rawhide Manufacturing Company · 1993
- Sealing device53US 5,201,529 ANok Corporation · 1993