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DIFF Main Group
B01L 7/00

Heating or cooling apparatus (autoclaves B01J3/04); Heat insulating devices

Introduced: September 1968

Title

Titles differ between systems:

IPC: Heating or cooling apparatus; Heat insulating devices

CPC: Heating or cooling apparatus (autoclaves B01J3/04); Heat insulating devices

Full Title

Full titles differ between systems:

IPC:

Heating or cooling apparatus; Heat insulating devices

CPC:

Heating or cooling apparatus (autoclaves B01J3/04); Heat insulating devices

Additional Content IPC

Autoclaves

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Child Classifications

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  • B01L 7/02 Water baths; Sand baths; Air baths IPC+CPC Available in IPC and CPC
  • B01L 7/04 Heat insulating devices, e.g. jackets for flasks since 2010 IPC+CPC Available in IPC and CPC
  • B01L 7/50 CPC only CPC only
  • B01L 7/54 CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class B01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
  2. CHINESE ACADEMY OF SCIENCES 11,733
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
  4. LG CHEM KR 3,367
  5. PETROCHINA COMPANY 3,224
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
  7. ZHEJIANG UNIVERSITY 2,890
  8. MANN + HUMMEL DE 2,740
  9. JOHNSON MATTHEY GB 2,534
  10. SAUDI ARABIAN OIL COMPANY SA 2,527

Top Applicants (CPC)

Class B01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
  2. CHINESE ACADEMY OF SCIENCES 8,352
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
  4. LG CHEM KR 4,290
  5. SAUDI ARABIAN OIL COMPANY SA 3,444
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
  7. DOW GLOBAL TECHNOLOGIES US 3,195
  8. MANN + HUMMEL DE 2,822
  9. JOHNSON MATTHEY GB 2,802
  10. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737