patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /Y · General tagging of new technological developments
  3. /Y10 · Technical subjects covered by former uspc
  4. /Y10S · Technical subjects covered by former uspc cross-reference art collections [xracs] and digests
  5. /Y10S 165/00 · Heat exchange
  6. /Y10S 165/318 · Heat exchange: with driven agitator
  7. /Y10S 165/32 · Fully rotary agitator
  8. /Y10S 165/321
Y10S 165/321

Generating toroidal flow

Y10S165/321 (Generating toroidal flow) appears on 4 US grants and 0 published applications in this corpus.

Search patents in Y10S

Where it sits

  1. YGeneral tagging of new technological developments
  2. Y10Technical subjects covered by former uspc
  3. Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests
  4. Y10S 165/00Heat exchange
  5. Y10S 165/318Heat exchange: with driven agitator
  6. Y10S 165/32Fully rotary agitator
  7. Y10S 165/321Generating toroidal flow
Granted patents
4
Published applications
0
Assignees
2
Inventors
3
Latest grant
17 Apr 1984

Filings by year

Granted patentsPublished applications
Y10S 165/321: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198100
198210
198300
198410

19771978197919801981198219831984

By publication year. Applications have been published since 2001.

Recent patents

  • Apparatus for combined cooling and aeration of biochemical-action vessels17 Apr 1984US 4,442,889 A
  • Process and apparatus utilizing common structure for combustion, gas fixation, or waste heat recovery17 Aug 1982US 4,344,479 AFuelsaver Company
  • Apparatus for combined cooling and aeration of biochemical-action vessels14 Feb 1978US 4,073,696 A
  • Polymerization reactor with gilled-tube radiator and axial agitator14 Jun 1977US 4,029,143 AHoechst Aktiengesellschaft

No published applications in this class yet.

Most cited

By later US patents
  • Process and apparatus utilizing common structure for combustion, gas fixation, or waste heat recovery53US 4,344,479 AFuelsaver Company · 1982
  • Polymerization reactor with gilled-tube radiator and axial agitator16US 4,029,143 AHoechst Aktiengesellschaft · 1977
  • Apparatus for combined cooling and aeration of biochemical-action vessels8US 4,073,696 A1978
  • Apparatus for combined cooling and aeration of biochemical-action vessels1US 4,442,889 A1984

Top assignees

Documents
  • FFuelsaver Company1
  • HAHoechst Aktiengesellschaft1

Often classified with

  • B01FMixing3
  • C02FTreatment of water, waste water, sewage, or sludge2
  • C12MApparatus for enzymology or microbiology2
  • F28FDetails of heat-exchange and heat-transfer apparatus, of general application2
  • Y02WClimate change mitigation technologies related to wastewater treatment or waste management2
  • B01JChemical or physical processes1
  • F22BMethods of steam generation1
  • F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended1
  • F24HFluid heaters1
  • F24SSolar heat collectors1

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