patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /F · Mechanical engineering
  3. /F01 · Machines or engines in general
  4. /F01L · Cyclically operating valves for machines or engines
  5. /F01L 13/00 · Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or
  6. /F01L 2013/10 · Auxiliary actuators for variable valve timing
  7. /F01L 2013/108
F01L 2013/108

Centrifugal force

Official title: {Centrifugal force}

F01L2013/108 (Centrifugal force) appears on 6 US grants and 5 published applications in this corpus.

Search patents in F01L

Where it sits

  1. FMechanical engineering
  2. F01Machines or engines in general
  3. F01LCyclically operating valves for machines or engines
  4. F01L 13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or
  5. F01L 2013/10Auxiliary actuators for variable valve timing
  6. F01L 2013/108Centrifugal force
Granted patents
6
Published applications
5
Assignees
4
Inventors
12
Latest grant
14 Oct 2025

Filings by year

Granted patentsPublished applications
F01L 2013/108: granted patents and published applications per publication year
YearGranted patentsPublished applications
201701
201810
201910
202000
202101
202211
202310
202412
202510

201720182019202020212022202320242025

By publication year.

Recent patents

  • Decompression device and engine14 Oct 2025US 12,442,319 B2Suzuki Motor Corporation
  • Internal combustion engine24 Dec 2024US 12,173,677 B2Kawasaki Motors, Ltd.
  • Camshaft for internal-combustion engine29 Aug 2023US 11,739,685 B2
  • Internal-combustion engine and drive system18 Jan 2022US 11,225,904 B2
  • Engine5 Mar 2019US 10,221,727 B1Indian Motorcycle International, LLC
  • Internal combustion engine27 Jun 2024US 2024/0209824 A1Kawasaki Motors, Ltd.
  • Decompression device and engine9 May 2024US 2024/0151166 A1Suzuki Motor Corporation
  • Camshaft for internal-combustion engine17 Mar 2022US 2022/0082048 A1
  • Internal-combustion engine and drive system25 Feb 2021US 2021/0054780 A1
  • Internal combustion engine30 Mar 2017US 2017/0089231 A1Honda Motor Co., Ltd.

Most cited

By later US patents
  • Engine5US 10,221,727 B1Indian Motorcycle International, LLC · 2019
  • Internal combustion engine1US 12,173,677 B2Kawasaki Motors, Ltd. · 2024

Top assignees

Documents
  • Honda Motor Co., Ltd.2
  • KMKawasaki Motors, Ltd.2
  • Suzuki Motor Corporation2
  • IMIndian Motorcycle International, LLC1

Often classified with

  • F02BInternal-combustion piston engines7
  • F02DControlling combustion engines6
  • B60KArrangement or mounting of propulsion units or of transmissions in vehicles4
  • B60YIndexing scheme relating to aspects cross-cutting vehicle technology4
  • F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4
  • Y02TLow-carbon transport4
  • F02NStarting of combustion engines2
  • F01MLubricating of machines or engines in general1

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