CPC Main Group
D03C 17/00 Card-punching apparatus (marking record carriers in digital fashion G06K)
2 direct subcodes
Child Classifications
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- D03C 17/02 manually-controlled, i.e. holes to be punched determined by the operator
- D03C 17/06 automatic, i.e. design scanned optically or otherwise to control punching apparatus or to control loom jacquard directly
Top Applicants
Top 10 applicants by patent filingsfor class D03, 2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 517
- PICANOL BE 214
- TOYOTA INDUSTRIES CORPORATION 210
- JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 202
- SANKO TEKSTIL ISLETMELERI SAN. VE TIC. TR 196
- TOYOTA INDUSTRIES CORPORATION JP 193
- FEDERAL-MOGUL POWERTRAIN US 188
- SAFRAN AIRCRAFT ENGINES FR 187
- SAFRAN FR 168
- ASAHI KASEI JP 150