F16J 15/3272
The rings having a break or opening
Official title: the rings having a break or opening, e.g. to enable mounting on a shaft otherwise than from a shaft end
F16J15/3272 (The rings having a break or opening) appears on 173 US grants and 187 published applications in this corpus.
Search patents in F16J- Granted patents
- 173
- Published applications
- 187
- Assignees
- 117
- Inventors
- 388
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 3 |
| 2005 | 3 | 6 |
| 2006 | 3 | 8 |
| 2007 | 3 | 1 |
| 2008 | 1 | 5 |
| 2009 | 4 | 3 |
| 2010 | 3 | 8 |
| 2011 | 5 | 3 |
| 2012 | 2 | 11 |
| 2013 | 5 | 8 |
| 2014 | 5 | 6 |
| 2015 | 5 | 6 |
| 2016 | 3 | 8 |
| 2017 | 9 | 10 |
| 2018 | 8 | 11 |
| 2019 | 11 | 10 |
| 2020 | 9 | 15 |
| 2021 | 11 | 20 |
| 2022 | 10 | 14 |
| 2023 | 13 | 5 |
| 2024 | 7 | 10 |
| 2025 | 9 | 7 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing device6 Oct 2026US 12,753,837 B2Schaeffler Technologies AG & Co. KG
- Sealing ring25 Aug 2026US 12,716,361 B2Industria De Turbo Propulsores, S.A.U.
- Seal assembly with anti-rotation feature25 Aug 2026US 12,716,490 B2Pratt & Whitney Canada Corp.
- Dust seal ring25 Aug 2026US 12,716,501 B2Valqua, Ltd.
- Internally clamping rectangular seal14 Apr 2026US 12,601,404 B2Konzelmann GmbH
- Lubricant Pumping Seal13 Aug 2026US 2026/0235207 A1System Seals, Inc.
- Sealing ring assembly for sealing a rotating shaft on extraction equipment16 Jul 2026US 2026/0201954 A1
- Seal ring16 Jul 2026US 2026/0201959 A1Nok Corporation
- Lubricant retention systems28 May 2026US 2026/0146590 A1Lm Wind Power A/S
- Electrically conductive structure and electrically conductive sealing device26 Feb 2026US 2026/0058529 A1Nok Corporation
Most cited
By later US patents
- Seal for rotating means29US 3,941,396 ACaterpillar Tractor Co. · 1976
- Rotary seals25US 8,096,559 B2Bal Seal Engineering, Inc. · 2012
- Sealing ring23US 10,865,883 B2Eagle Industry Co., Ltd. · 2020
- Pressurized bearing seal assembly22US 4,739,997 APotlatch Corporation · 1988
- Seal ring20US 7,341,256 B2Nok Corporation · 2008