patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /F · Mechanical engineering
  3. /F02 · Combustion engines
  4. /F02M · Supplying combustion engines in general with combustible mixtures or constituents thereof
  5. /F02M 2700/00 · Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids
  6. /F02M 2700/43 · Arrangements for supplying air, fuel or auxiliary fluids to a combustion space
  7. /F02M 2700/4302 · Whereby air and fuel are sucked into the mixture conduit
  8. /F02M 2700/4323 · Throttling devices
  9. /F02M 2700/4326
F02M 2700/4326

Means for preventing back-fire

F02M2700/4326 (Means for preventing back-fire) appears on 4 US grants and 3 published applications in this corpus.

Search patents in F02M

Where it sits

  1. FMechanical engineering
  2. F02Combustion engines
  3. F02MSupplying combustion engines in general with combustible mixtures or constituents thereof
  4. F02M 2700/00Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids
  5. F02M 2700/43Arrangements for supplying air, fuel or auxiliary fluids to a combustion space
  6. F02M 2700/4302Whereby air and fuel are sucked into the mixture conduit
  7. F02M 2700/4323Throttling devices
  8. F02M 2700/4326Means for preventing back-fire
Granted patents
4
Published applications
3
Assignees
5
Inventors
11
Latest grant
10 Sep 2019

Filings by year

Granted patentsPublished applications
F02M 2700/4326: granted patents and published applications per publication year
YearGranted patentsPublished applications
200201
200300
200410
200510
200600
200700
200800
200900
201000
201100
201200
201300
201400
201501
201600
201711
201800
201910

200220122019

By publication year.

Recent patents

  • Fuel shut-off solenoid system10 Sep 2019US 10,408,182 B2Walbro Corporation
  • Fuel shut-off solenoid system2 May 2017US 9,638,135 B2Walbro Corporation
  • Intercooler13 Sep 2005US 6,942,017 B2Honda Giken Kogyo Kabushiki Kaisha
  • Air cleaner with low profile outlet duct connection9 Nov 2004US 6,814,772 B1Fleetguard, Inc.
  • Fuel shut-off solenoid system13 Jul 2017US 2017/0198660 A1Walbro Corporation
  • Fuel shut-off solenoid system5 Feb 2015US 2015/0034849 A1Walbro Engine Management, L. L.C.
  • Intercooler10 Oct 2002US 2002/0144801 A1Honda Giken Kogyo Kabushiki Kaisha

Most cited

By later US patents
  • Air cleaner with low profile outlet duct connection19US 6,814,772 B1Fleetguard, Inc. · 2004
  • Intercooler8US 6,942,017 B2Honda Giken Kogyo Kabushiki Kaisha · 2005
  • Fuel shut-off solenoid system1US 9,638,135 B2Walbro Corporation · 2017

Top assignees

Documents
  • WWalbro Corporation3
  • Honda Giken Kogyo Kabushiki Kaisha2
  • ZVZexel Valeo Climate Control Corporation2
  • FFleetguard, Inc.1
  • WEWalbro Engine Management, L. L.C.1

Often classified with

  • Y02TLow-carbon transport6
  • F16KValves4
  • F01PCooling of machines or engines in general2
  • F02BInternal-combustion piston engines2
  • F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange2
  • F28FDetails of heat-exchange and heat-transfer apparatus, of general application2
  • Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1

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