Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B41D 3/20

Melting pots

Full Title

Casting stereotype plates; Machines, moulds, or devices therefor > Details > Melting pots

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B41D 3/22 with pumps for conveying the molten metal into the casting chambers or boxes
  • B41D 3/24 with control valves
  • B41D 3/26 with devices for stirring the molten metal

Top Applicants

Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739