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PCE
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CPC Subgroup
G03B 1/04

Pull exerted by take-up spool

Full Title

Film strip handling > Moving film strip by pull on end thereof > Pull exerted by take-up spool

4 direct subcodes

Child Classifications

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  • G03B 1/06 rotated by lever operated ratchet and pawl
  • G03B 1/08 rotated by band, chain, rack, or other linear reciprocating operation
  • G03B 1/10 rotated by knob through gearing
  • G03B 1/12 rotated by motor, e.g. spring

Top Applicants

Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON JP 19,215
  2. CANON 12,916
  3. ASML NETHERLANDS NL 10,000
  4. FUJIFILM JP 7,814
  5. SAMSUNG ELECTRONICS COMPANY KR 5,181
  6. CARL ZEISS SMT DE 5,079
  7. RICOH COMPANY JP 4,343
  8. LG INNOTEK COMPANY KR 4,054
  9. KYOCERA DOCUMENT SOLUTIONS 3,812
  10. KYOCERA DOCUMENT SOLUTIONS JP 3,682