CPC Subgroup Additional Only
C04B 2235/60 Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
Full Title
Aspects relating to ceramic starting mixtures or sintered ceramic products > Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
9 direct subcodes
Child Classifications
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- C04B 2235/602 Making the green bodies or pre-forms by moulding
- C04B 2235/604 Pressing at temperatures other than sintering temperatures
- C04B 2235/605 Making or treating the green body or pre-form in a magnetic field
- C04B 2235/606 Drying
- C04B 2235/608 Green bodies or pre-forms with well-defined density
- C04B 2235/61 Mechanical properties, e.g. fracture toughness, hardness, Young's modulus or strength
- C04B 2235/612 Machining
- C04B 2235/614 Gas infiltration of green bodies or pre-forms
- C04B 2235/616 Liquid infiltration of green bodies or pre-forms
Top Applicants
Top 10 applicants by patent filingsfor class C04, 2013–2023, worldwide · Source: EPO PATSTAT
- HALLIBURTON ENERGY SERVICES GROUP US 2,158
- CHINESE ACADEMY OF SCIENCES 1,569
- NGK INSULATORS JP 1,504
- SIKA TECHNOLOGY CH 1,181
- CORNING US 974
- WUHAN UNIVERSITY OF TECHNOLOGY 926
- UNITED STATES GYPSUM COMPANY US 882
- GE (GENERAL ELECTRIC COMPANY) US 828
- MITSUBISHI MATERIALS CORPORATION JP 792
- SAUDI ARABIAN OIL COMPANY SA 686