DIFF Subgroup Additional Only
B05D 2350/30 Change of the surface
Full Title
Pretreatment of the substrate > Change of the surface
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
Top Applicants
Top Applicants (IPC)
Class B05,2013–2023, worldwide · Source: EPO PATSTAT
- DUERR SYSTEMS DE 1,073
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 941
- TOKYO ELECTRON JP 825
- YOSHINO KOGYOSHO COMPANY 780
- APTAR FRANCE FR 723
- NORDSON CORPORATION US 704
- LG ENERGY SOLUTION KR 606
- GRACO MINNESOTA US 604
- SCREEN HOLDINGS JP 592
- BOEING COMPANY US 516
Top Applicants (CPC)
Class B05,2013–2023, worldwide · Source: EPO PATSTAT
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,265
- DUERR SYSTEMS DE 1,191
- TOKYO ELECTRON JP 1,157
- BASF COATINGS (BADISCHE ANILIN & SODA FABRIK COATINGS) DE 972
- APTAR FRANCE FR 848
- PPG INDUSTRIES OHIO US 838
- P&G (PROCTER & GAMBLE COMPANY) US 763
- NORDSON CORPORATION US 761
- LG CHEM KR 695
- GRACO MINNESOTA US 691