patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /B · Performing operations
  3. /B01 · Physical or chemical processes or apparatus in general
  4. /B01F · Mixing
  5. /B01F 23/00 · Mixing according to the phases to be mixed
  6. /B01F 23/20 · Mixing gases with liquids
  7. /B01F 23/23 · By introducing gases into liquid media
  8. /B01F 23/231 · By bubbling
  9. /B01F 23/23105 · Arrangement or manipulation of the gas bubbling devices
  10. /B01F 23/2312 · Diffusers
  11. /B01F 23/23123 · Consisting of rigid porous or perforated material
  12. /B01F 23/231233
B01F 23/231233

Comprising foam-like gas outlets

Official title: {comprising foam-like gas outlets}

B01F23/231233 (Comprising foam-like gas outlets) appears on 4 US grants and 14 published applications in this corpus.

Search patents in B01F

Where it sits

  1. BPerforming operations
  2. B01Physical or chemical processes or apparatus in general
  3. B01FMixing
  4. B01F 23/00Mixing according to the phases to be mixed
  5. B01F 23/20Mixing gases with liquids
  6. B01F 23/23By introducing gases into liquid media
  7. B01F 23/231By bubbling
  8. B01F 23/23105Arrangement or manipulation of the gas bubbling devices
  9. B01F 23/2312Diffusers
  10. B01F 23/23123Consisting of rigid porous or perforated material
  11. B01F 23/231233Comprising foam-like gas outlets
Granted patents
4
Published applications
14
Assignees
6
Inventors
30
Latest grant
15 Sep 2026

Filings by year

Granted patentsPublished applications
B01F 23/231233: granted patents and published applications per publication year
YearGranted patentsPublished applications
202001
202100
202210
202302
202412
202518
202611

2020202120222023202420252026

By publication year. 2026 runs to 8 Oct.

Recent patents

  • Apparatus and method for CO2 microbubble flooding15 Sep 2026US 12,734,490 B2Dalian University of Technology
  • Ultra fine bubble production device8 Jul 2025US 12,350,630 B2
  • System and method for generating bubbles in a vessel17 Sep 2024US 12,091,648 B2LanzaTech, Inc.
  • Gas liquid absorption device (GLAD) with replaceable gas orifice fittings and sensors15 Nov 2022US 11,498,036 B2Flow Control LLC
  • Apparatus and method for co2 microbubble flooding5 Feb 2026US 2026/0034519 A1Dalian University of Technology
  • Apparatus for mixing ionized hydrogen and oxygen ions with gas-phase, liquid-phase, and solid-phase substances and transferring quantum energy to mixtures26 Jun 2025US 2025/0205656 A1
  • Oxygen nanobubble treatment device including nitrogen injection and related methods5 Jun 2025US 2025/0177901 A1O2 Technologies, LLC
  • Concentrated animal feeding operation (cafo) system including oxygen nanobubble generation within cafo drinking water and related methods5 Jun 2025US 2025/0177928 A1O2 Technologies, LLC
  • Oxygen nanobubble system and related methods5 Jun 2025US 2025/0177930 A1O2 Technologies, LLC

Most cited

By later US patents

No patent in this class has been cited by a later US patent yet.

Top assignees

Documents
  • OTO2 Technologies, LLC6
  • LLanzaTech, Inc.3
  • DUDalian University of Technology2
  • FCFlow Control LLC2
  • HH2Gremm1
  • SCSeneca Ceramics Corp1

Often classified with

  • B01DSeparation7
  • C01BNon-metallic elements7
  • A01CPlanting6
  • A01GHorticulture6
  • A01KAnimal husbandry6
  • B09CReclamation of contaminated soil6
  • C02FTreatment of water, waste water, sewage, or sludge6
  • C05FOrganic fertilisers not covered by subclasses c05b, c05c6
  • C05GMixtures of fertilisers covered individually by different subclasses of class c056
  • Y02EClean energy generation and storage4

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