CPC Subgroup
C03B 11/06 Construction of plunger or mould
Full Title
Pressing glass > Construction of plunger or mould
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C03B 11/07 Suction moulds
- C03B 11/08 for making solid articles, e.g. lenses
- C03B 11/10 for making hollow articles
Top Applicants
Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT
- CORNING US 9,559
- SAINT-GOBAIN GLASS FR 3,824
- NIPPON ELECTRIC GLASS COMPANY JP 2,792
- SCHOTT DE 2,029
- AGC JP 1,938
- ASAHI GLASS COMPANY JP 1,679
- CORNING 1,650
- NIPPON ELECTRIC GLASS COMPANY 1,501
- A G C 1,049
- O-I (OWENS-ILLINOIS) US 1,027