Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection

Introduced: September 1968

Last revised: January 2016

Classification Context

Section:: ELECTRICITY
Class:: GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:: DYNAMO-ELECTRIC MACHINES

Filing statistics

IPC H02K 11/00 belongs to the parent subclass H02K, which recorded 426,168 patent applications worldwide between 2013 and 2023. Annual filings grew from 23,896 in 2013 to 46,626 in 2023 (+95%), peaking at 54,100 applications in 2020. The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (54,496 applications), MITSUBISHI ELECTRIC CORPORATION (10,495 applications) and TOYOTA MOTOR CORPORATION (9,464 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Casings, enclosures or supports

6 direct subcodes

Child Classifications

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H02K 11/01 for shielding from electromagnetic fields
H02K 11/02 for suppression of electromagnetic interference
H02K 11/04 for rectification
H02K 11/2 for measuring, monitoring, testing, protecting or switching
H02K 11/3 Structural association with control circuits or drive circuits
H02K 11/4 Structural association with grounding devices

Top Applicants

Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT

SGCC(STATE GRID CORPORATION OF CHINA) 54,496
MITSUBISHI ELECTRIC CORPORATION JP 10,495
TOYOTA MOTOR CORPORATION 9,464
GUANGDONG POWER GRID CORPORATION 9,339
ROBERT BOSCH DE 8,226
SIEMENS DE 8,218
DENSO CORPORATION 7,063
MITSUBISHI ELECTRIC CORPORATION 6,619
SAMSUNG ELECTRONICS COMPANY KR 5,826
GREE ELECTRIC APPLIANCES 5,094