patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /B · Performing operations
  3. /B02 · Crushing, pulverising, or disintegrating
  4. /B02C · Crushing, pulverising, or disintegrating in general
  5. /B02C 19/00 · Crushing, pulverising, or disintegrating in general: other disintegrating devices or methods
  6. /B02C 19/0012 · Devices for disintegrating materials by collision of these materials against a breaking
  7. /B02C 19/0018 · Using a rotor accelerating the materials centrifugally against a circumferential breaking surface
  8. /B02C 19/0031 · By means of an open top rotor
  9. /B02C 19/0037
B02C 19/0037

With concentrically arranged open top rotors

Official title: {with concentrically arranged open top rotors}

B02C19/0037 (With concentrically arranged open top rotors) appears on 4 US grants and 3 published applications in this corpus.

Search patents in B02C

Where it sits

  1. BPerforming operations
  2. B02Crushing, pulverising, or disintegrating
  3. B02CCrushing, pulverising, or disintegrating in general
  4. B02C 19/00Crushing, pulverising, or disintegrating in general: other disintegrating devices or methods
  5. B02C 19/0012Devices for disintegrating materials by collision of these materials against a breaking
  6. B02C 19/0018Using a rotor accelerating the materials centrifugally against a circumferential breaking surface
  7. B02C 19/0031By means of an open top rotor
  8. B02C 19/0037With concentrically arranged open top rotors
Granted patents
4
Published applications
3
Assignees
1
Inventors
5
Latest grant
10 Jun 2003

Filings by year

Granted patentsPublished applications
B02C 19/0037: granted patents and published applications per publication year
YearGranted patentsPublished applications
199410
199500
199600
199710
199800
199900
200000
200110
200201
200310
200400
200500
200600
200700
200800
200900
201000
201100
201201
201301

199420042013

By publication year. Applications have been published since 2001.

Recent patents

  • Mill with quick change, unitized, dynamic elements10 Jun 2003US 6,575,391 B1
  • Two-stage micronizer for reducing oversize particles11 Sep 2001US 6,286,771 B1
  • Ultrafines coal pulverizer28 Jan 1997US 5,597,127 A
  • Coal pulverizer purifier classifier4 Jan 1994US 5,275,631 A
  • Material grinding device10 Jan 2013US 2013/0008990 A1Arter Technology Limited
  • Material Grinding Method and a Device for Carrying out Said Method6 Dec 2012US 2012/0305683 A1Arter Technology Limited
  • Two-stage micronizer and process for reducing oversize particles using a two-stage micronizer4 Apr 2002US 2002/0038831 A1

Most cited

By later US patents
  • Coal pulverizer purifier classifier10US 5,275,631 A1994
  • Ultrafines coal pulverizer10US 5,597,127 A1997
  • Mill with quick change, unitized, dynamic elements7US 6,575,391 B12003
  • Two-stage micronizer for reducing oversize particles5US 6,286,771 B12001

Top assignees

Documents
  • ATArter Technology Limited2

Often classified with

  • B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids1
  • B07BSeparating solids from solids by sieving, screening, sifting or by using gas1

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