CPC Subgroup Additional Only
F05D 2300/50 Intrinsic material properties or characteristics
Full Title
Materials; Properties thereof > Intrinsic material properties or characteristics
14 direct subcodes
Child Classifications
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- F05D 2300/501 Elasticity
- F05D 2300/502 Thermal properties
- F05D 2300/504 Reflective properties
- F05D 2300/505 Shape memory behaviour
- F05D 2300/506 Hardness
- F05D 2300/507 Magnetic properties
- F05D 2300/509 Self lubricating materials; Solid lubricants
- F05D 2300/51 Hydrophilic, i.e. being or having wettable properties
- F05D 2300/512 Hydrophobic, i.e. being or having non-wettable properties
- F05D 2300/514 Porosity
- F05D 2300/516 Surface roughness
- F05D 2300/518 Ductility
- F05D 2300/52 Translucence
- F05D 2300/522 Density
Top Applicants
Top 10 applicants by patent filingsfor 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