patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /F · Mechanical engineering
  3. /F16 · Engineering elements and units
  4. /F16F · Springs
  5. /F16F 15/00 · Suppression of vibrations in systems
  6. /F16F 15/10 · Suppression of vibrations in rotating systems by making use of members moving
  7. /F16F 15/12 · Using elastic members or friction-damping members
  8. /F16F 15/131 · The rotating system comprising two or more gyratory masses
  9. /F16F 15/133 · Using springs as elastic members
  10. /F16F 15/1338
F16F 15/1338

Motion-limiting means

Official title: {Motion-limiting means, e.g. means for locking the spring unit in pre-defined positions (F16F15/13128 takes precedence)}

F16F15/1338 (Motion-limiting means) appears on 4 US grants and 7 published applications in this corpus.

Search patents in F16F

Where it sits

  1. FMechanical engineering
  2. F16Engineering elements and units
  3. F16FSprings
  4. F16F 15/00Suppression of vibrations in systems
  5. F16F 15/10Suppression of vibrations in rotating systems by making use of members moving
  6. F16F 15/12Using elastic members or friction-damping members
  7. F16F 15/131The rotating system comprising two or more gyratory masses
  8. F16F 15/133Using springs as elastic members
  9. F16F 15/1338Motion-limiting means
Granted patents
4
Published applications
7
Assignees
6
Inventors
16
Latest grant
19 Oct 2021

Filings by year

Granted patentsPublished applications
F16F 15/1338: granted patents and published applications per publication year
YearGranted patentsPublished applications
200311
200400
200500
200600
200700
200800
200900
201001
201100
201200
201310
201400
201501
201600
201700
201811
201900
202002
202110
202200
202300
202400
202501

200320132025

By publication year.

Recent patents

  • Lock-up device for torque converter19 Oct 2021US 11,149,831 B2Exedy Corporation
  • Lock-up device17 Apr 2018US 9,945,444 B2Exedy Corporation
  • Flywheel arrangement for an internal combustion engine22 Jan 2013US 8,356,584 B2Volvo Car Corporation
  • Variable inertia flywheel30 Dec 2003US 6,668,995 B2Ford Global Technologies, LLC
  • Torsional damper and hybrid driving module having same16 Jan 2025US 2025/0020172 A1Valeo Kapec Co., Ltd.
  • Power transmission device5 Mar 2020US 2020/0072293 A1Exedy Corporation
  • Lock-up device for torque converter5 Mar 2020US 2020/0072333 A1Exedy Corporation
  • Blade-type torsional damper16 Aug 2018US 2018/0231097 A1Valeo Embrayages
  • Lock-up device3 Sep 2015US 2015/0247550 A1Exedy Corporation

Most cited

By later US patents
  • Variable inertia flywheel7US 6,668,995 B2Ford Global Technologies, LLC · 2003
  • Flywheel arrangement for an internal combustion engine1US 8,356,584 B2Volvo Car Corporation · 2013
  • Lock-up device1US 9,945,444 B2Exedy Corporation · 2018

Top assignees

Documents
  • EExedy Corporation4
  • FGFord Global Technologies, LLC2
  • VCVolvo Car Corporation2
  • EExedy Corporation1
  • VEValeo Embrayages1
  • VKValeo Kapec Co., Ltd.1

Often classified with

  • F16HGearing4
  • F16DCouplings for transmitting rotation3
  • F02NStarting of combustion engines2
  • B60KArrangement or mounting of propulsion units or of transmissions in vehicles1
  • Y02TLow-carbon transport1
  • Y10TTechnical subjects covered by former us classification1

Documents that also carry the other class.

patentgrep

Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

Product

  • Search
  • New this week
  • Where the data comes from
  • Pricing

Browse

  • Companies
  • Technology classes

Developers

  • API docs
  • PatentsView-compatible API
  • MCP server
  • Changelog

About

  • Privacy
  • Terms
© 2026 patentgrepData from USPTO bulk files