IPC Subgroup
B22F 1/1 Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
Introduced: January 2022
Full Title
Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties > Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CASTING; POWDER METALLURGY
- Subclass:
- WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
4 direct subcodes
Child Classifications
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- B22F 1/102 Metallic powder coated with organic material
- B22F 1/103 containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
- B22F 1/105 containing inorganic lubricating or binding agents, e.g. metal salts
- B22F 1/107 containing organic material comprising solvents, e.g. for slip casting
Top Applicants
Top 10 applicants by patent filingsfor class B22, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 1,719
- CHINESE ACADEMY OF SCIENCES 1,489
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
- TOYOTA MOTOR CORPORATION 1,043
- SIEMENS DE 1,028
- CENTRAL SOUTH UNIVERSITY 959
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
- UNITED TECHNOLOGIES CORPORATION (UTC) US 786
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
- JFE STEEL JP 761