Company patents
JIANGSU DONGCHENG TOOLS TECHNOLOGY CO., LTD.
JIANGSU DONGCHENG TOOLS TECHNOLOGY CO., LTD. shows a surprisingly strong focus on Motor Control, which accounts for 21.9% of its portfolio and experienced a remarkable 350.0% growth in 2025, despite a significant decline so far in 2026. This suggests a strategic emphasis on the core electrical components of its tools, while other categories like Electric Motors & Generators and Hand Tools have seen sharp declines in patenting activity in recent years, including so far in 2026.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
73 US filings (since 2023) · 8 categories · 15 themes
Strategies and circuits for optimizing the supply and consumption of electrical power for motors, including current limiting, regenerative energy handling, battery integration, and managing power quality.
Design and optimization of the mechanical components and power transmission systems within powered hand tools, including motors, gears, spindles, and impact mechanisms, for efficiency, durability, and compact form factor.
Sophisticated software or hardware-implemented control strategies that optimize motor performance, such as precise speed/torque regulation, vibration reduction, or efficiency, often using model-based, predictive, or adaptive techniques.
Methods and circuits for controlling the power electronic converters (inverters, bridges) that supply current and voltage to electric motors, including switching strategies, voltage command generation, and multi-phase configurations.
Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.
Innovations in the mechanical design and functionality of cutting, collecting, or processing components directly interacting with crops or ground cover.
Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.
Pumps and blowers specifically adapted or designed for unique fluid types, challenging environments, or particular industrial, medical, or consumer applications, often involving debris, specific gas mixtures, or precise delivery requirements.
Integration of sensors, microcontrollers, and communication modules into hand tools to enable precise operation, remote configuration, and user guidance through real-time feedback or augmented reality.
Techniques for determining the rotor position, speed, or other operational parameters of an electric motor without dedicated physical sensors, often relying on back-EMF, current, or voltage measurements.
Tools and systems engineered for the precise installation, removal, or manipulation of specific components or fasteners, often involving specialized gripping, depth control, or extraction mechanisms.
Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.
Development of novel motor architectures beyond traditional radial flux designs, including linear, axial, or multi-armature configurations, often to optimize for specific performance characteristics like torque density or form factor.
Manufacturing processes and techniques for producing stator cores, windings, and coils, including lamination, impregnation, hairpin winding, and segment coil bending, to improve motor efficiency, power density, or reliability.
Techniques and circuits for accurately identifying various electrical faults, such as ground faults, overcurrent, short circuits, switch malfunctions, or electrostatic discharge (ESD) events, often utilizing sensors, signal processing, and diagnostic algorithms.
Patents
Showing 1-10 of 73