DIFF Subgroup Additional Only
F05D 2300/143 Platinum group metals, i.e. Os, Ir, Pt, Ru, Rh, Pd
Full Title
Materials; Properties thereof > Metals, alloys or intermetallic compounds > Noble metals, i.e. Ag, Au, platinum group metals > Platinum group metals, i.e. Os, Ir, Pt, Ru, Rh, Pd
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.
Top Applicants
Top Applicants (CPC)
Class F05,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 12,002
- UNITED TECHNOLOGIES CORPORATION (UTC) US 8,736
- SAFRAN AIRCRAFT ENGINES FR 6,804
- RAYTHEON TECHNOLOGIES CORPORATION US 4,530
- SIEMENS DE 4,371
- GE (GENERAL ELECTRIC COMPANY) 3,686
- ROLLS-ROYCE GB 3,594
- PRATT & WHITNEY CANADA CORPORATION CA 3,415
- VESTAS DK 3,076
- WOBBEN PROPERTIES DE 2,614