State Grid Corporation of China

China


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Total IP 1,379
Total IP incl. subs 1,522 (+ 352 for subs)
Total IP Rank # 988
IP Activity Score 3.5/5.0    523
IP Activity Rank # 1,352
IP AS incl. subs 3.2/5.0    646
Dominant Nice Class Industrial oils and greases; lub...

Patents

Trademarks

186 0
11 0
1,181 1
0
 
Last Patent 2025 - Inter-turn protection method and...
First Patent 2009 - Service access method and system
Last Trademark 2024 - STATE GRID CORPORATION OF CHINA
First Trademark 2024 - STATE GRID CORPORATION OF CHINA

Subsidiaries

3 subsidiaries with IP (352 patents, 0 trademarks)

3 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Thermochemical energy storage and release system, and energy charging method for heat storage and...
Invention Method for constructing transverse audible noise model for an electric transmission corridor, mic...
2024 Invention Multilayer composite intumescent fire-retardant coating material, preparation method therefor, an...
Invention Modular cap-type opgw insulated splicing device and system. Provided in the present application a...
Invention Igbt overvoltage protection device and method. The present invention relates to the technical fie...
Invention Method and apparatus for determining current amplitude of cable, and processor. Disclosed in the ...
Invention Voiceprint-based transformer partial discharge detection method, apparatus, device and storage me...
Invention Multi-layer composite intumescent fire-retardant coating, and preparation method and usage method...
Invention Method and apparatus for suppressing transient current of grid-forming converter, computing devic...
Invention Multi-level coordinated voltage control method and system for power distribution network based on...
Invention Grid-forming energy storage converter on/off-grid switching control method and system. The prese...
Invention Internal inspection robot. An internal inspection robot includes a housing, a gravity balancing a...
Invention Energy management method and system for peak shaving and frequency regulation for energy storage ...
Invention Composite organic nano superhydrophobic anti-icing coating and preparation method therefor. Discl...
Invention Method and apparatus for constructing high-order tensor network of large-scale power grid, and de...
Invention Method and apparatus for optimizing system energy efficiency based on an integrated energy requir...
Invention Optical fiber bundle airtight sealing device. Provided in the present application is an optical f...
Invention New-power-system power grid restoration method and apparatus based on second-order cone transform...
Invention Vertical thyristor switch for controllable surge arrester. A vertical thyristor switch for a con...
Invention Software-defined-network-based cloud-edge collaborative defense system and method for unknown att...
Invention Dynamic defense system and method of new energy centralized control station network based on dyna...
Invention Power cross-modal bidirectional knowledge transfer method and apparatus, and device and storage m...
Invention Mains-frequency current transformer-based high-frequency discharge signal detection apparatus and...
Invention Shared energy storage power station energy management method and system considering cluster divis...
Invention Internal inspection robot. The present application provides an internal inspection robot. The int...
Invention Method and apparatus for determining safety inertia of power grid system, and computer device. A ...
Invention System energy efficiency optimization method and apparatus based on comprehensive energy demand, ...
Invention Transmission system and method for mechanical part and power electronic assembly. The present dis...
Invention Power transmission tower climbing device and climbing working robot. A power transmission tower c...
G/S Petroleum jelly for industrial purposes; oil for precision instruments; grease for arms [weapons...
Invention Related methods and apparatuses for power distribution network digital platform, and device, medi...
Invention Direct-current converter station protection system and control method therefor. Disclosed in the ...
Invention Control method and apparatus for direct-current energy consuming apparatus, electronic device, st...
Invention Off-grid and grid-connected state switching control method and control system for grid-forming en...
Invention Grounding grid conductor positioning method, apparatus, and system. A grounding grid conductor po...
2023 Invention New energy power station grid-connection adaptability analysis method and system. Provided in the...
Invention Smart outdoor switchgear for control and protection of connection and disconnection of medium-vol...
Invention Application post-downloading method and apparatus, system-on-chip, terminal, and storage medium. ...
Invention Imaging method and system for residual stress of basin insulator, and method for preparing test b...
Invention Metering abnormality analysis method and apparatus, storage medium, and computer device. Provide...
Invention Measurement anomaly analysis method and apparatus, storage medium and computer device. A measurem...
Invention Alternating current/direct current multi-air-gap magnetoresistive current sensor and current meas...
Invention Risk assessment method and system for windage yaw flashover, device, and readable storage medium....
Invention Inter-turn protection method and system for converter transformer. The present application provi...
Invention Transformer area electricity theft prevention analysis method based on electricity consumption in...
Invention Method for aggregation regulation optimization of electric vehicle load by considering comprehens...
Invention Passivation fire-extinguishing explosion-suppression system and method for lithium battery energy...
2022 Invention Self-energy-taking hybrid direct-current circuit breaker and application method therefor. Disclo...
Invention Iron core-annular array multi-ring magnetosensitive current sensor and current measurement method...
Invention Biomimetic tower climbing robot and tower climbing method thereof. A biomimetic tower climbing ro...
2021 Invention Operation control method suitable for fire extinguishing system of extra-high voltage converter s...