patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /F · Mechanical engineering
  3. /F27 · Furnaces
  4. /F27D · Details or accessories of furnaces, kilns, ovens or retorts, in so far
  5. /F27D 99/00 · Subject matter not provided for in other groups of this subclass
  6. /F27D 99/0001 · Heating elements or systems
  7. /F27D 2099/0061 · Indirect heating
  8. /F27D 2099/0063
F27D 2099/0063

Liquid

Official title: {Liquid}

F27D2099/0063 (Liquid) appears on 7 US grants and 3 published applications in this corpus.

Search patents in F27D

Where it sits

  1. FMechanical engineering
  2. F27Furnaces
  3. F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far
  4. F27D 99/00Subject matter not provided for in other groups of this subclass
  5. F27D 99/0001Heating elements or systems
  6. F27D 2099/0061Indirect heating
  7. F27D 2099/0063Liquid
Granted patents
7
Published applications
3
Assignees
3
Inventors
7
Latest grant
25 Apr 2006

Filings by year

Granted patentsPublished applications
F27D 2099/0063: granted patents and published applications per publication year
YearGranted patentsPublished applications
198510
198600
198700
198810
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200241
200301
200401
200500
200610

198519952006

By publication year. Applications have been published since 2001.

Recent patents

  • Heated trough for molten aluminum25 Apr 2006US 7,033,538 B2
  • Calcination using liquid metal heat exchange fluid19 Nov 2002US 6,482,366 B1Australian Magnesium Corporation Pty Ltd.
  • Heater assembly and heated trough for molten aluminum22 Oct 2002US 6,470,041 B2
  • Reinforced refractory product1 Oct 2002US 6,458,733 B1
  • Heated trough for molten aluminum3 Sep 2002US 6,444,165 B1
  • Heated trough for molten aluminum12 Aug 2004US 2004/0155389 A1
  • Heated trough for molten aluminum6 Feb 2003US 2003/0024615 A1
  • Heater assembly and heated trough for molten aluminum25 Apr 2002US 2002/0048305 A1

Most cited

By later US patents
  • Rotating melter13US 4,522,587 AHy-Way Heat Systems, Inc. · 1985
  • Heated trough for molten aluminum9US 6,444,165 B12002
  • Heated trough for molten aluminum5US 7,033,538 B22006
  • Liquid to solids heat exchanger3US 4,730,667 A1988
  • Heater assembly and heated trough for molten aluminum3US 6,470,041 B22002

Top assignees

Documents
  • AMAustralian Magnesium Corporation Pty Ltd.1
  • CSCommonwealth Scientific and Industrial Research Organisation1
  • HWHy-Way Heat Systems, Inc.1

Often classified with

  • B01JChemical or physical processes2
  • F27BFurnaces, kilns, ovens or retorts in general2
  • F27MIndexing scheme relating to aspects of the charges or furnaces, kilns, ovens2
  • C01CAmmonia1
  • C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium1
  • C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or1
  • C10CWorking-up pitch, asphalt, bitumen, tar1
  • F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange1

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