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F01C 11/00

Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (F01C13/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type

CPC: Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (F01C13/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H)

Full Title

Full titles differ between systems:

IPC:

Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type

CPC:

Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (F01C13/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H)

Of 2 combined children, 0 exist in both systems.

2 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