F16F 15/1234
Additional guiding means for springs
Official title: {Additional guiding means for springs, e.g. for support along the body of springs that extend circumferentially over a significant length}
F16F15/1234 (Additional guiding means for springs) appears on 63 US grants and 33 published applications in this corpus.
Search patents in F16F- Granted patents
- 63
- Published applications
- 33
- Assignees
- 31
- Inventors
- 116
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 4 | 5 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 0 | 3 |
| 2022 | 4 | 1 |
| 2023 | 5 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Torsional-vibration reducing device6 May 2025US 12,292,095 B2Valeo Kapec Japan Kk
- Torque converter1 Oct 2024US 12,104,683 B2Valeo Kapec Co., Ltd.
- Damper assembly cover plate30 Jan 2024US 11,885,397 B1Schaeffler Technologies AG & Co. KG
- Filtering pulley14 Nov 2023US 11,815,172 B2Dayco Europe S.R.L.
- Damper device31 Oct 2023US 11,802,607 B2Aisin Corporation
- Damper device10 Sep 2026US 2026/0266353 A1Aisin Corporation
- Improved filtering pulley for a heavy vehicle19 Dec 2024US 2024/0418237 A1Propulsion Solutions S.R..L.
- Torque converter4 Jan 2024US 2024/0003414 A1Valeo Kapec Co., Ltd.
- Torsional-vibration-reducing-device manufacturing method and torsional-vibration reducing device22 Jun 2023US 2023/0193977 A1Valeo Kapec Japan Kk
- Torque converter damper assembly2 Mar 2023US 2023/0069143 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Two-stage torsional vibration damper49US 4,347,717 ABorg-Warner Corporation · 1982
- Series spring torsional vibration damper39US 4,304,107 ABorg-Warner Corporation · 1981
- Torsional isolator for torque converter lock-up mechanism33US 4,240,532 AChrysler Corporation · 1980
- Series spring vibration dampers29US 4,530,673 ABorg-Warner Corporation · 1985
- Long travel damper with low lag dynamic spring retainers28US 4,702,721 ABorg-Warner Automotive, Inc. · 1987