CPC Subgroup
C03C 25/10 Coating
Full Title
Surface treatment of fibres or filaments made from glass, minerals or slags > Coating
8 direct subcodes
Child Classifications
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- C03C 25/1025 to obtain fibres used for reinforcing cement-based products
- C03C 25/104 to obtain optical fibres
- C03C 25/1095 to obtain coated fabrics
- C03C 25/12 General methods of coating; Devices therefor
- C03C 25/24 Coatings containing organic materials
- C03C 25/42 Coatings containing inorganic materials
- C03C 25/465 Coatings containing composite materials
- C03C 25/48 with two or more coatings having different compositions
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