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DIFF Subgroup
D03C 5/04

Construction or shape of cams (cams in general F16H53/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Construction or shape of cams

CPC: Construction or shape of cams (cams in general F16H53/00)

Full Title

Full titles differ between systems:

IPC:

Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices > operated by rotating cams > Construction or shape of cams

CPC:

Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices > operated by rotating cams > Construction or shape of cams (cams in general F16H53/00)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class D03,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 461
  2. TORAY INDUSTRIES 324
  3. SHANDONG RIFA TEXTILE MACHINERY COMPANY 279
  4. TOYOTA INDUSTRIES CORPORATION 260
  5. JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 259
  6. ZHEJIANG SCI TECH UNIVERSITY 244
  7. PICANOL BE 213
  8. TOYOTA INDUSTRIES CORPORATION JP 192
  9. FEDERAL-MOGUL POWERTRAIN US 175
  10. NATIONAL DONG HWA UNIVERSITY 171

Top Applicants (CPC)

Class D03,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 517
  2. PICANOL BE 214
  3. TOYOTA INDUSTRIES CORPORATION 210
  4. JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 202
  5. SANKO TEKSTIL ISLETMELERI SAN. VE TIC. TR 196
  6. TOYOTA INDUSTRIES CORPORATION JP 193
  7. FEDERAL-MOGUL POWERTRAIN US 188
  8. SAFRAN AIRCRAFT ENGINES FR 187
  9. SAFRAN FR 168
  10. ASAHI KASEI JP 150