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PCE
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DIFF Subgroup
B07B 1/28

Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens

Introduced: September 1968

Title

Titles differ between systems:

IPC: Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens

CPC: Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens

Full Title

Full titles differ between systems:

IPC:

Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like > Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens

CPC:

Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like > Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens

Of 10 combined children, 5 exist in both systems.

4 codes are CPC-only extensions, 1 exist only in IPC.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B07B 1/282 CPC only CPC only
  • B07B 1/284 CPC only CPC only
  • B07B 1/286 CPC only CPC only
  • B07B 1/288 CPC only CPC only
  • B07B 1/30 jigging or moving to-and-fro in or approximately in the direction of conveyance IPC+CPC Available in IPC and CPC
  • B07B 1/32 jigging or moving to-and-fro within their own plane transverse to the direction of conveyance IPC only IPC only
  • B07B 1/36 jigging or moving to-and-fro in more than one direction IPC+CPC Available in IPC and CPC
  • B07B 1/38 oscillating in a circular arc in their own plane; Plansifters IPC+CPC Available in IPC and CPC
  • B07B 1/40 Resonant vibration screens IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class B07,2013–2023, worldwide · Source: EPO PATSTAT

  1. DERRICK CORPORATION US 427
  2. SOLYSTIC FR 370
  3. M-I SWACO US 223
  4. SATAKE CORPORATION JP 190
  5. ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY 186
  6. SIEMENS DE 175
  7. UNITED STATES POSTAL SERVICE US 158
  8. ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 156
  9. UNITEC IT 150
  10. XINXIANG ZHEN YING MACHINERY EQUIPMENT COMPANY 149