F16F
Springs
Official title: Springs; shock-absorbers; means for damping vibration
F16F (Springs) appears on 26,607 US grants and 21,740 published applications in this corpus.
Search patents in F16F- Granted patents
- 26,607
- Published applications
- 21,740
- Assignees
- 7,060
- Inventors
- 39,845
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 233 | 0 |
| 1977 | 196 | 0 |
| 1978 | 210 | 0 |
| 1979 | 130 | 0 |
| 1980 | 168 | 0 |
| 1981 | 184 | 0 |
| 1982 | 160 | 0 |
| 1983 | 153 | 0 |
| 1984 | 236 | 0 |
| 1985 | 279 | 0 |
| 1986 | 326 | 0 |
| 1987 | 428 | 0 |
| 1988 | 418 | 0 |
| 1989 | 457 | 0 |
| 1990 | 413 | 0 |
| 1991 | 432 | 0 |
| 1992 | 483 | 0 |
| 1993 | 462 | 0 |
| 1994 | 445 | 0 |
| 1995 | 411 | 0 |
| 1996 | 432 | 0 |
| 1997 | 417 | 0 |
| 1998 | 566 | 0 |
| 1999 | 573 | 0 |
| 2000 | 599 | 0 |
| 2001 | 655 | 176 |
| 2002 | 658 | 613 |
| 2003 | 549 | 651 |
| 2004 | 462 | 722 |
| 2005 | 414 | 710 |
| 2006 | 429 | 718 |
| 2007 | 413 | 638 |
| 2008 | 360 | 682 |
| 2009 | 305 | 733 |
| 2010 | 396 | 757 |
| 2011 | 444 | 688 |
| 2012 | 571 | 793 |
| 2013 | 647 | 836 |
| 2014 | 746 | 1024 |
| 2015 | 863 | 1130 |
| 2016 | 951 | 1145 |
| 2017 | 1006 | 1212 |
| 2018 | 985 | 1319 |
| 2019 | 1196 | 1285 |
| 2020 | 1118 | 1198 |
| 2021 | 905 | 1063 |
| 2022 | 901 | 906 |
| 2023 | 849 | 834 |
| 2024 | 801 | 836 |
| 2025 | 726 | 628 |
| 2026 | 446 | 443 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F16F 15/00Suppression of vibrations in systems9,846
- F16F 9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent8,286
- F16F 1/00Springs6,033
- F16F 7/00Vibration-dampers3,627
- F16F 13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers2,576
- F16F 2230/00PurposeIndexing code2,574
- F16F 3/00Spring units consisting of several springs1,310
- F16F 2224/00MaterialsIndexing code1,299
All 17 main groupsShow fewer
- F16F 2222/00Special physical effectsIndexing code1,138
- F16F 2228/00Functional characteristicsIndexing code1,078
- F16F 2226/00ManufacturingIndexing code882
- F16F 2232/00Nature of movementIndexing code747
- F16F 2236/00Mode of stressing of basic spring or damper elements or devices incorporatingIndexing code735
- F16F 2234/00ShapeIndexing code471
- F16F 2238/00Type of springs or dampersIndexing code284
- F16F 6/00Magnetic springs147
- F16F 5/00Liquid springs in which the liquid works as a spring by compression88
Recent patents
- Garter spring including spacer elements6 Oct 2026US 12,753,672 B2Halliburton Energy Services.Inc.
- Spiral spring device6 Oct 2026US 12,753,818 B2Hayamizu Hatsujo Co., Ltd.
- Zero Poisson's ratio structure and a planar structure of zero Poisson's ratio in which the structure is matrixed in a plane6 Oct 2026US 12,753,819 B2Research & Business Foundation Sungkyunkwan University
- Impact absorption elements, systems, and methods of use6 Oct 2026US 12,753,820 B2
- Vibration attenuation via tailored metastructures6 Oct 2026US 12,753,821 B2Purdue Research Foundation
- Isolator and suspension assembly for riding equipment8 Oct 2026US 2026/0307560 A1MTD Products Inc
- Anti-vibration device8 Oct 2026US 2026/0309200 A1Prospira Corporation
- Door glass vibration-damping structure and vibration-damping stabilizer8 Oct 2026US 2026/0309201 A1Kinugawa Rubber Ind. Co., Ltd.
- Vibration damper, motor vehicle and method for filling8 Oct 2026US 2026/0309202 A1thyssenkrupp AG
- Vibration damper for a motor vehicle8 Oct 2026US 2026/0309203 A1thyssenkrupp AG
Most cited
By later US patents
- Surgical system instrument sterile adapter1,479US 9,096,033 B2Intuitive Surgical Operations, Inc. · 2015
- 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
- Automatic self-injection device555US 5,478,316 ABecton, Dickinson and Company · 1995