Symbol Origin— Symbols and Dates established


Last updated
Friday July 31, 2026
Maintained by
OIPC/Classification Standards and Development

The following is a list of all symbols which were added to the CPC Scheme. If available, the corresponding Project information is provided for the symbol. Please refer to the CPC Notices of Changes for additional information regarding changes to the Scheme, Definition, and Concordance.

Refer to the List of Deleted Symbols for all symbols which were added to the Scheme.

Note: In exceptional circumstances, symbol numbers may have been reused.


Version: 2026.08

Symbol Date Established Project / NoC
A61M 5/0092026.08RP11946 / 1933
A61M 5/00912026.08RP11946 / 1933
A61M 5/168632026.08RP11946 / 1933
A61M 5/2062026.08RP11946 / 1933
A61M 5/31472026.08RP11946 / 1933
A61M 5/315982026.08RP11946 / 1933
A61M 5/320212026.08RP11946 / 1933
A61M 5/320232026.08RP11946 / 1933
A61M 5/3202312026.08RP11946 / 1933
A61M 5/3202332026.08RP11946 / 1933
A61M 5/3202352026.08RP11946 / 1933
A61M 5/320252026.08RP11946 / 1933
A61M 5/3202532026.08RP11946 / 1933
A61M 5/3202552026.08RP11946 / 1933
A61M 5/320272026.08RP11946 / 1933
A61M 5/320292026.08RP11946 / 1933
A61M 39/10332026.08RP11946 / 1933
A61M 39/2292026.08RP11946 / 1933
F01B 2171/002026.08RP12261 / 1927
F01B 2171/012026.08RP12261 / 1927
F01B 2171/022026.08RP12261 / 1927
F01B 2171/032026.08RP12261 / 1927
F01B 2171/042026.08RP12261 / 1927
F01B 2171/052026.08RP12261 / 1927
F01B 2171/062026.08RP12261 / 1927
F01B 2171/072026.08RP12261 / 1927
F01B 2171/082026.08RP12261 / 1927
F01B 2171/092026.08RP12261 / 1927
F01B 2171/112026.08RP12261 / 1927
F01B 2171/122026.08RP12261 / 1927
F01B 2171/132026.08RP12261 / 1927
F41G 1/3842026.08RP12222 / 1913
F41G 1/38412026.08RP12222 / 1913
F41G 1/38432026.08RP12222 / 1913
F41G 1/38452026.08RP12222 / 1913
F41G 1/38462026.08RP12222 / 1913
F41G 1/38472026.08RP12222 / 1913
F41G 1/38492026.08RP12222 / 1913
F41G 1/38512026.08RP12222 / 1913
F41G 1/38532026.08RP12222 / 1913
F41G 1/3862026.08RP12222 / 1913
F41G 1/38612026.08RP12222 / 1913
F41G 1/38632026.08RP12222 / 1913
F41G 1/38642026.08RP12222 / 1913
F41G 1/38652026.08RP12222 / 1913
F41G 11/00322026.08RP12222 / 1913
F41G 11/003212026.08RP12222 / 1913
F41G 11/003232026.08RP12222 / 1913
F41G 11/003242026.08RP12222 / 1913
F41G 11/003252026.08RP12222 / 1913
F41G 11/003272026.08RP12222 / 1913
F41G 11/00342026.08RP12222 / 1913
F41G 11/003412026.08RP12222 / 1913
F41G 11/0034122026.08RP12222 / 1913
F41G 11/0034142026.08RP12222 / 1913
F41G 11/0034162026.08RP12222 / 1913
F41G 11/003432026.08RP12222 / 1913
F41G 11/0034312026.08RP12222 / 1913
F41G 11/0034332026.08RP12222 / 1913
F41G 11/0034372026.08RP12222 / 1913
F41G 11/003452026.08RP12222 / 1913
F41G 11/003472026.08RP12222 / 1913
F41G 11/003492026.08RP12222 / 1913
F41G 11/00382026.08RP12222 / 1913
F41G 11/003812026.08RP12222 / 1913
F41G 11/003842026.08RP12222 / 1913
F41G 11/003872026.08RP12222 / 1913
H01F 1/057122026.08RP12035 / 1931
H01F 1/057232026.08RP12035 / 1931
H01F 7/1322026.08RP12035 / 1931
H01F 7/1342026.08RP12035 / 1931
H01F 7/1652026.08RP12035 / 1931
H01F 27/0652026.08RP12035 / 1931
H01F 27/28092026.08RP12035 / 1931
H01F 27/28142026.08RP12035 / 1931
H01F 27/28192026.08RP12035 / 1931
H01F 27/3482026.08RP12035 / 1931
H01F 27/4042026.08RP12035 / 1931
H01F 27/4062026.08RP12035 / 1931
H01F 27/4082026.08RP12035 / 1931
H01F 29/1432026.08RP12035 / 1931
H01F 38/3052026.08RP12035 / 1931
H01F 38/442026.08RP12035 / 1931
H01F 38/462026.08RP12035 / 1931
H01F 38/482026.08RP12035 / 1931
H01F 38/502026.08RP12035 / 1931
H01F 41/029312026.08RP12035 / 1931
H01F 41/029332026.08RP12035 / 1931