F16F 3/00
Spring units consisting of several springs
Official title: Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic ({F16F1/32, F16F1/34, F16F7/14 take precedence } ; if including fluid springs F16F5/00, F16F13/00)
F16F3/00 (Spring units consisting of several springs) appears on 1,310 US grants and 1,165 published applications in this corpus.
Search patents in F16F- Granted patents
- 1,310
- Published applications
- 1,165
- Assignees
- 831
- Inventors
- 2,653
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 18 | 0 |
| 1989 | 13 | 0 |
| 1990 | 18 | 0 |
| 1991 | 11 | 0 |
| 1992 | 20 | 0 |
| 1993 | 24 | 0 |
| 1994 | 23 | 0 |
| 1995 | 18 | 0 |
| 1996 | 24 | 0 |
| 1997 | 19 | 0 |
| 1998 | 24 | 0 |
| 1999 | 30 | 0 |
| 2000 | 21 | 0 |
| 2001 | 29 | 7 |
| 2002 | 24 | 23 |
| 2003 | 25 | 23 |
| 2004 | 15 | 34 |
| 2005 | 18 | 37 |
| 2006 | 24 | 36 |
| 2007 | 16 | 33 |
| 2008 | 19 | 37 |
| 2009 | 12 | 38 |
| 2010 | 20 | 35 |
| 2011 | 22 | 43 |
| 2012 | 28 | 38 |
| 2013 | 28 | 47 |
| 2014 | 39 | 52 |
| 2015 | 53 | 54 |
| 2016 | 61 | 52 |
| 2017 | 51 | 52 |
| 2018 | 44 | 83 |
| 2019 | 70 | 83 |
| 2020 | 68 | 66 |
| 2021 | 52 | 68 |
| 2022 | 54 | 60 |
| 2023 | 57 | 58 |
| 2024 | 59 | 40 |
| 2025 | 48 | 40 |
| 2026 | 20 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Garter spring including spacer elements6 Oct 2026US 12,753,672 B2Halliburton Energy Services.Inc.
- Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems22 Sep 2026US 12,743,014 B2Seescan, Inc.
- Torque balancing device, self-balancing joint, and surgical robot15 Sep 2026US 12,733,917 B2Beijing Surgerii Robotics Company Limited
- Vibration damper and vibrating conveyor system15 Sep 2026US 12,736,101 B2Rosta AG
- Resilient member for guiding smooth pumping of pumping apparatus, and pumping apparatus comprising same4 Aug 2026US 12,698,815 B2
- Spring module formed by connecting spring units and elastic pad17 Sep 2026US 2026/0276049 A1
- Spring member, camera module, and electronic device10 Sep 2026US 2026/0266349 A1Toppan Holdings Inc.
- Spring assembly, camera module, and electronic device20 Aug 2026US 2026/0243324 A1Toppan Holdings Inc.
- Luminaire assembly and clamping element for luminaire assembly13 Aug 2026US 2026/0235279 A1Signify Holding B. V.
- A disc for use in a disc spring, and a disc spring assembly comprising the disc6 Aug 2026US 2026/0226954 A1Tomax AS
Most cited
By later US patents
- Intervertebral stabilization device incorporating dampers823US 5,540,688 ASociete PSI · 1996
- Application of an improved damper to an intervertebral stabilization device769US 5,375,823 ASociete PSI · 1994
- Vertebral prosthesis615US 5,306,310 AMAN Ceramics GmbH · 1994
- Memory metal actuator340US 4,553,393 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1985
- Shock absorbing component and construction method281US 6,029,962 ARetama Technology Corporation · 2000