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PCE
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DIFF Subgroup
F01B 7/06

using only connecting-rods for conversion of reciprocatory into rotary motion or vice versa

Introduced: September 1968

Title

Titles differ between systems:

IPC: using only connecting-rods for conversion of reciprocatory into rotary motion or

CPC: using only connecting-rods for conversion of reciprocatory into rotary motion or vice versa

Full Title

Full titles differ between systems:

IPC:

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders > with oppositely reciprocating pistons > acting on same main shaft > using only connecting-rods for conversion of reciprocatory into rotary motion or

CPC:

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders (in opposite arrangement relative to main shaft F01B1/08) > with oppositely reciprocating pistons > acting on same main shaft > using only connecting-rods for conversion of reciprocatory into rotary motion or vice versa

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • F01B 7/08 with side rods IPC+CPC Available in IPC and CPC
  • F01B 7/10 having piston-rod of one piston passed through other piston IPC+CPC Available in IPC and CPC

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