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DIFF Main Group
B01L 1/00

Enclosures; Chambers (provided with manipulation devices or glove boxes B25J21/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Enclosures; Chambers

CPC: Enclosures; Chambers (provided with manipulation devices or glove boxes B25J21/00)

Full Title

Full titles differ between systems:

IPC:

Enclosures; Chambers

CPC:

Enclosures; Chambers (provided with manipulation devices or glove boxes B25J21/00)

Additional Content IPC

Provided with manipulation devices, glove boxes

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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  • B01L 1/04 Dust-free rooms or enclosures IPC+CPC Available in IPC and CPC
  • B01L 1/50 CPC only CPC only
  • B01L 1/52 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