IPC Publication IPC Publication IPCPUB v9.11 Last modified: 2026.08.07 CPC 2026.08, FI 2026.05.01 Scheme RCL Compilation Catchwords Search ACCUEIL CIB | DOWNLOAD English data French data Bilingual data Path view Full view Hierarchic view Maingroup view Tree View CPC FI Deleted entries Subclass Indexes Guidance headings Notes ACCUEIL CIB | DOWNLOAD Old-to-New New-to-Old ACCUEIL CIB | DOWNLOAD English data French data ACCUEIL CIB | DOWNLOAD English data French data ACCUEIL CIB | DOWNLOAD English data French data Advanced Search Terms Search for reference(s) to IPC Symbol in IPC Scheme, Definitions and/or Catchwords" data-toggle="tab">Cross-references STATS IPCCAT Terms search: Stemming Limit to Exclude Path AND, OR, NOT, +, -, double quotes and ~ operators are ignored when using Path option."> Scheme titles Scheme references Catchwords Definitions Cross-references search: Include subgroups Scheme Catchwords Definitions STATS: Stemming Limit to Exclude Categorization (IPCCAT): 3 5 Number of predictions Class SubClass Maingroup Subgroup Classification level Arabic German English Spanish French Japanese Korean Portuguese Russian Chinese Language Start From Ordered by relevance: Scheme terms Catchword terms Definition terms Scheme cross-references Catchword cross-references Definition cross-references STATS Results IPCCAT Predictions