CPC Main Group Additional Only
F28F 2275/00 Fastening; Joining
11 direct subcodes
Child Classifications
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- F28F 2275/02 by using bonding materials; by embedding elements in particular materials
- F28F 2275/04 by brazing
- F28F 2275/06 by welding
- F28F 2275/08 by clamping or clipping
- F28F 2275/10 by force joining
- F28F 2275/12 by methods involving deformation of the elements
- F28F 2275/14 by using form fitting connection, e.g. with tongue and groove
- F28F 2275/16 with toothed elements, e.g. with serrations
- F28F 2275/18 by using wedge effect
- F28F 2275/20 with threaded elements
- F28F 2275/22 by using magnetic effect
Top Applicants
Top 10 applicants by patent filingsfor class F28, 2013–2023, worldwide · Source: EPO PATSTAT
- VALEO SYSTEMES THERMIQUES FR 1,945
- MITSUBISHI ELECTRIC CORPORATION JP 1,518
- MAHLE INTERNATIONAL DE 1,120
- ALFA LAVAL SE 1,085
- HANON SYSTEMS KR 939
- DENSO CORPORATION JP 900
- LG ELECTRONICS KR 861
- HAMILTON SUNDSTRAND US 795
- DAIKIN INDUSTRIES JP 608
- DENSO CORPORATION 537