Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
B07B 1/5

Cleaning

Introduced: September 1968

Last revised: January 2006

Full Title

Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like > Constructional details of screens in general; Cleaning or heating of screens > Cleaning

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
SEPARATING SOLIDS FROM SOLIDS; SORTING
Subclass:
SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

Top Applicants

Top 10 applicants by patent filingsfor class B07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY 444
  2. HENAN WINNER VIBRATING EQUIPMENT COMPANY 386
  3. DERRICK CORPORATION US 370
  4. SOLYSTIC FR 359
  5. XINXIANG ZHEN YING MACHINERY EQUIPMENT COMPANY 347
  6. ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 288
  7. CHINA UNIVERSITY OF MINING AND TECHNOLOGY 269
  8. CHINA TOBACCO HENAN INDUSTRIAL 230
  9. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 230
  10. XINXIANG GAOFU MACHINERY COMPANY 229