F16J 15/3208
Provided with tension elements
Official title: provided with tension elements, e.g. elastic rings
F16J15/3208 (Provided with tension elements) appears on 502 US grants and 515 published applications in this corpus.
Search patents in F16J- Granted patents
- 502
- Published applications
- 515
- Assignees
- 277
- Inventors
- 1,010
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 2 | 0 |
| 1992 | 14 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 10 |
| 2003 | 8 | 4 |
| 2004 | 3 | 12 |
| 2005 | 4 | 19 |
| 2006 | 8 | 11 |
| 2007 | 7 | 7 |
| 2008 | 6 | 11 |
| 2009 | 4 | 14 |
| 2010 | 5 | 19 |
| 2011 | 5 | 18 |
| 2012 | 9 | 19 |
| 2013 | 15 | 23 |
| 2014 | 14 | 24 |
| 2015 | 22 | 25 |
| 2016 | 18 | 26 |
| 2017 | 22 | 31 |
| 2018 | 19 | 30 |
| 2019 | 25 | 30 |
| 2020 | 26 | 31 |
| 2021 | 13 | 33 |
| 2022 | 17 | 25 |
| 2023 | 28 | 28 |
| 2024 | 21 | 32 |
| 2025 | 31 | 21 |
| 2026 | 21 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealing device6 Oct 2026US 12,753,837 B2Schaeffler Technologies AG & Co. KG
- Sealing device and back-up ring25 Aug 2026US 12,716,494 B2Nok Corporation
- Fluid end with clamped retention25 Aug 2026US 12,716,495 B2Kerr Machine Co.
- Fixing device11 Aug 2026US 12,704,143 B2Deere & Company
- Shaft sealing ring and shaft arrangement for high rotational speeds11 Aug 2026US 12,704,180 B2Trelleborg Sealing Solutions Germany GmbH
- Side channel compressor having a seal assembly20 Aug 2026US 2026/0243268 A1
- Seal assembly for build tanks20 Aug 2026US 2026/0243350 A1General Electric Company
- Lip seals and related methods16 Jul 2026US 2026/0201953 A1Bal Seal Engineering, Inc.
- Seal cartridge with bearing assembly and related methods2 Jul 2026US 2026/0185564 A1Bal Seal Engineering, Inc.
- Hydrogen combustion engine valve sealing25 Jun 2026US 2026/0176990 A1DAF Trucks N. V.
Most cited
By later US patents
- Canted coiled spring and seal196US 4,655,462 A1987
- Capped spring-energized seal107US 5,799,953 AAmerican Variseal · 1998
- Cartridge seal stack104US 6,161,838 ABal Seal Engineering, Inc. · 2000
- Inside back angle canted coil spring100US 4,826,144 A1989
- Dual concentric canted-coil spring apparatus92US 4,907,788 A1990