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DIFF Subgroup
F01P 11/02

Liquid-coolant , overflow, venting, or draining devices (automatic draining during freezing conditions F01P11/20)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Liquid-coolant overflow, venting, or draining devices

CPC: Liquid-coolant , overflow, venting, or draining devices (automatic draining during freezing conditions F01P11/20)

Full Title

Full titles differ between systems:

IPC:

Component parts, details, or accessories, not provided for in, or of interest apart from, groups > Liquid-coolant overflow, venting, or draining devices

CPC:

Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00 > Liquid-coolant , overflow, venting, or draining devices (automatic draining during freezing conditions F01P11/20)

Of 6 combined children, 0 exist in both systems.

6 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 8,496
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 7,291
  3. SAFRAN AIRCRAFT ENGINES FR 5,503
  4. TOYOTA MOTOR CORPORATION 4,556
  5. SIEMENS DE 3,992
  6. HYUNDAI MOTOR COMPANY KR 3,929
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,534
  8. FORD GLOBAL TECHNOLOGIES US 3,407
  9. TOYOTA MOTOR CORPORATION JP 3,042
  10. WEICHAI POWER COMPANY 2,888

Top Applicants (CPC)

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 9,989
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
  3. SAFRAN AIRCRAFT ENGINES FR 6,248
  4. HYUNDAI MOTOR COMPANY KR 4,530
  5. SIEMENS DE 4,461
  6. FORD GLOBAL TECHNOLOGIES US 4,029
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,947
  8. TOYOTA MOTOR CORPORATION JP 3,734
  9. GE (GENERAL ELECTRIC COMPANY) 3,415
  10. SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063