F16F 1/20
With layers
Official title: with layers, e.g. anti-friction layers, or with rollers between the leaves
F16F1/20 (With layers) appears on 23 US grants and 32 published applications in this corpus.
Search patents in F16F- Granted patents
- 23
- Published applications
- 32
- Assignees
- 29
- Inventors
- 69
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 4 |
| 2020 | 2 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Composite springs, composite spring assemblies, and methods for making the same21 Jan 2025US 12,203,520 B2GRD Innovations, LLC
- Device comprising a set of vibration absorbers and vehicle equipped with such a device30 Jan 2024US 11,885,391 B2Centre National De La Recherche Scientifque
- Bearing for steering assembly31 Oct 2023US 11,802,588 B2Saint-Gobain Performance Plastics Rencol Limited
- Clamp and clamp-equipped wire harness10 Oct 2023US 11,780,387 B2Autonetworks Technologies, Ltd.
- Variable stiffness mechanisms20 Sep 2022US 11,446,164 B1Ossur Iceland Ehf
- Leaf spring for a vehicle1 May 2025US 2025/0135821 A1Volvo Truck Corporation
- Composite springs, composite spring assemblies, and methods for making the same3 Apr 2025US 2025/0109776 A1GRD Innovations, LLC
- Wear pad in a spring suspension system and method thereof13 Mar 2025US 2025/0084907 A1Mac Trailer Manufacturing, Inc.
- Noise-reducing element for a leaf spring23 Jun 2022US 2022/0196101 A1
- Composite springs, composite spring assemblies, and methods for making the same16 Jun 2022US 2022/0186804 A1GRD Innovations, LLC
Most cited
By later US patents
- Leaf spring tip insert with semi-liquid or thermally deformable retention pin14US 6,311,960 B1Oxford Suspension, Inc. · 2001
- Voice coil motor12US 8,498,069 B2Hon Hai Precision Industry Co., Ltd. · 2013
- Leaf spring for a suspension of a vehicle9US 6,056,276 ARejna S.p.A. · 2000
- Eccentric clamping bushing8US 9,644,697 B2FM Energie GmbH & Co. KG · 2017
- Vehicle leaf spring with a longitudinal discontinuity for crack propagation6US 5,244,189 AEaton Corporation · 1993