F16F 1/424
Of membrane-type springs
Official title: {of membrane-type springs}
F16F1/424 (Of membrane-type springs) appears on 10 US grants and 9 published applications in this corpus.
Search patents in F16F- Granted patents
- 10
- Published applications
- 9
- Assignees
- 6
- Inventors
- 19
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for absorbing and dissipating the energy of a dropped or thrown object3 Mar 2026US 12,564,750 B2
- Thermoplastic jounce bumpers11 Aug 2020US 10,737,543 B2DuPont Polymers, Inc.
- Thermoplastic jounce bumpers25 Feb 2014US 8,657,271 B2E. I. Du Pont de Nemours and Company
- Snap spring positioning device14 Dec 1993US 5,269,499 A
- Elastomeric mounting24 Dec 1991US 5,074,535 ADunlop Limited a British Company
- Device for absorbing and dissipating the energy of a dropped or thrown object5 Dec 2024US 2024/0399186 A1
- Thermoplastic jounce bumpers23 Aug 2018US 2018/0236836 A1E. I. Du Pont de Nemours and Company
- Thermoplastic jounce bumpers29 Sep 2016US 2016/0280029 A1E. I. Du Pont de Nemours and Company
- Thermoplastic Jounce Bumpers3 Jul 2014US 2014/0183804 A1E. I. Du Pont de Nemours and Company
- Thermoplastic jounce bumpers2 Aug 2012US 2012/0193850 A1E. I. Du Pont de Nemours and Company
Most cited
By later US patents
- Spring35US 4,235,427 A1980
- Center bearing supporting device for propeller shaft33US 4,722,618 ANissan Motor Co., Ltd. · 1988
- Mounting arrangement for fan motor27US 3,941,339 AGeneral Electric Company · 1976
- Thermoplastic jounce bumpers18US 8,657,271 B2E. I. Du Pont de Nemours and Company · 2014
- Snap spring positioning device17US 5,269,499 A1993