Company patents

Jing-Jin Electric Technologies Co., Ltd.

Jing-Jin Electric Technologies Co., Ltd. demonstrates a primary focus on Gearing & Transmissions, which constitutes 52.6% of its portfolio, yet this category has seen a significant decline of 41.7% so far in 2026. Surprisingly, despite its core business in electric powertrains, the company's patenting in Electric Motors & Generators experienced a dramatic 500.0% growth in 2025 after an 87.5% drop in 2024, indicating a volatile but potentially re-emerging focus, while categories like Power Conversion (DC/AC, DC/DC) and Heat Exchange Components show a clear shifting priority with 100.0% declines 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.

78 US filings (since 2023) · 12 categories · 20 themes

Hybrid/Electric Drive Unit Design

Addresses the design and arrangement of electric motors, transmissions, and associated power electronics (like inverters) to form integrated drive units for hybrid or electric vehicles, including specific components like busbars and electric brakes.

Gearing & TransmissionsVehicle Powertrain Arrangement
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32since 2023
+71.4%YoY
Electric Powertrain Efficiency & Control

Methods and components for optimizing the performance, efficiency, and control of electric motors, inverters, and power converters within electric vehicle and hybrid vehicle drivetrains.

Vehicle Control Systems
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30since 2023
+14.3%YoY
Advanced Clutch Mechanisms

Novel designs or control strategies for clutches, including one-way, centrifugal, or disconnect types, to manage torque transmission in powertrains and other mechanical systems.

Couplings & Brakes (Mechanical)
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24since 2023
0.0%YoY
Electromechanical Braking Systems

Actuators, control, and components for converting electrical energy into braking force, often involving motors, spindles, and friction elements, particularly for vehicle applications.

Couplings & Brakes (Mechanical)
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13since 2023
-20.0%YoY
Mechanical Power Transmission Joints

Assemblies and components designed for reliable and efficient transfer of rotational or axial forces between mechanical parts, accommodating misalignment or specific motion profiles.

Couplings & Brakes (Mechanical)
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13since 2023
+100.0%YoY
Transmission Lubrication Systems

Designs and components for efficiently supplying, collecting, and managing lubricants (oil, grease) within gearboxes and transmissions to reduce friction, dissipate heat, and extend component operational life.

Gearing & Transmissions
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11since 2023
+150.0%YoY
Integrated Actuation and Drive Systems

Methods and components for converting power into mechanical motion to drive pump mechanisms, encompassing electric motors, hydraulic actuators, and specialized motion converters like ball screws or solenoids.

Gearing & Transmissions
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9since 2023
0.0%YoY
Advanced Motor Topologies

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.

Electric Motors & Generators
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9since 2023
new
Advanced Gear & Drivetrain Designs

Novel configurations and materials for gears and drivetrain components, including specialized profiles, self-aligning features, damping elements, and complex gear train arrangements like planetary, cycloidal, or strain wave gearing.

Gearing & Transmissions
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9since 2023
n/a
Stator & Coil Manufacturing

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.

Electric Motors & Generators
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6since 2023
new
Motor System Integration & Safety

Integration of electric motors into larger systems (e.g., vehicles, power tools) and safety features for high-voltage components, including control interfaces, mechanical integration, and environmental protection (e.g., waterproofing).

Electric Motors & Generators
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3since 2023
new
EV Thermal Management Systems

Systems designed to manage the temperature of multiple components in electric or hybrid vehicles, such as batteries, electric motors, power electronics, and the passenger cabin, often using shared or interconnected cooling/heating circuits.

Vehicle Powertrain Arrangement
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3since 2023
n/a
Advanced Heat Exchanger Architectures

Novel designs and configurations for heat exchangers that improve heat transfer efficiency, compactness, or enable specific phase change or separation processes within refrigeration and heat pump cycles.

Heat Exchange Components
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2since 2023
new
Power & Hybrid Connector Design

Connectors specifically designed for high current or voltage applications, often incorporating features for power delivery, thermal management, or combining power and signal lines.

Electrical Connectors
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2since 2023
new
Vibration Damping in Drivetrains

Integration of elastomeric or other damping elements into mechanical drive components to absorb shocks, reduce noise, and mitigate vibrations during operation.

Couplings & Brakes (Mechanical)
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2since 2023
n/a
Busbar Systems for Power Distribution

Conductive bars or plates used for efficient power distribution within electrical apparatus, often featuring specific designs for connection, thermal management, or modularity to reduce material costs and increase rigidity.

Power Cable Installation
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1since 2023
new
Continuously Variable Transmissionsfiltered

Transmissions designed to provide a continuous range of gear ratios between fixed limits, often employing ball-planetary, toroidal, or belt-pulley mechanisms, and including their control systems for stable operation in various directions.

Gearing & Transmissions
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1since 2023
n/a
Internal Flow Path Optimization

Techniques and structures within heat exchangers designed to enhance heat transfer efficiency by controlling and optimizing fluid flow, including baffle arrangements, jet impingement, and condensate management.

Heat Exchange Components
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1since 2023
n/a
Advanced Power Converter Topologies

Focuses on novel circuit configurations for DC-DC, DC-AC, or AC-DC conversion, often involving resonant operation, multi-level structures, or switched capacitors to improve efficiency, power density, or voltage conversion ratios.

Power Conversion (DC/AC, DC/DC)
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1since 2023
n/a
Fluid & Air Bearing Systems

Bearings that utilize a pressurized gas or liquid film to create a non-contact support surface, reducing friction and wear, often incorporating specific flow restriction or airfoil designs.

Bearings & Shafts
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1since 2023
n/a

Patents

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US 11440400 B2GRANTED
B60K17/02

Longitudinally provided vehicle driving assembly having single power source

Filed:2019-01-14Pub:2022-09-13
Applicant:JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.

The present disclosure discloses a longitudinally placed vehicle driving assembly having a single power source, which solves the technical problems of the vehicle driving assemblies in the prior art such as larger volumes and poor transmission performances. The driving assembly is connected to a transmission shaft or a vehicle axle half shaft of a vehicle and provided with an automatic transmission. The automatic transmission includes an input shaft ( 2 ). A power source ( 1 ) is connected to the input shaft ( 2 ). An output shaft ( 10 ) is provided coaxial with the input shaft ( 2 ). An intermediate shaft ( 9 ) is provided parallel to the input shaft ( 2 ). A first-stage reduction-gear train is installed through the input shaft ( 2 ) and the intermediate shaft ( 9 ). An Nth-stage reduction-gear train is installed through the intermediate shaft ( 9 ) and the output shaft ( 10 ), wherein N≥2. Each of the stages of the reduction-gear trains includes a pair of gears having a different transmission ratio. The output shaft ( 10 ) of the power source ( 1 ) and the input shaft ( 2 ) of the automatic transmission are integrally manufactured. A rear cover of the power source ( 1 ) and a front housing of the automatic transmission are integrated. The driving assembly is placed in the front of the vehicle, and drives rear wheels of the vehicle.

US 10994594 B2GRANTED
B60K6/36

Horizontal vehicle drive assembly

Filed:2017-12-12Pub:2021-05-04
Applicant:JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.

A transverse vehicle drive assembly, wherein the transverse vehicle drive assembly comprises a first power source and an automatic transmission ( 10 ), a first intermediate shaft ( 31 ) is provided parallel to a first input shaft ( 21 ) of the automatic transmission ( 10 ), a second intermediate shaft ( 32 ) is provided coaxial with the first input shaft ( 21 ), a third intermediate shaft ( 33 ) is provided coaxial with the first intermediate shaft ( 31 ), a first clutch ( 41 ) is provided between the first intermediate shaft ( 31 ) and the third intermediate shaft ( 33 ), and a second clutch ( 42 ) is provided between the first input shaft ( 21 ) and the second intermediate shaft ( 32 ). A first gear ( 11 ) on the first input shaft ( 21 ) and a second gear ( 12 ) on the first intermediate shaft ( 31 ) are in engaged transmission; and a third gear ( 13 ) on the second intermediate shaft ( 32 ) and a fourth gear ( 14 ) on the third intermediate shaft ( 33 ) are in engaged transmission, and the fourth gear ( 14 ) on the third intermediate shaft ( 33 ) is simultaneously in engaged transmission with a fifth gear ( 15 ) on a differential ( 50 ). The drive assembly can realize transmission of two speed ratios, and the transmission modes are flexible. The longitudinal dimension and the lateral dimension of the drive assembly are reduced, to be adapted for vehicles of a compact structure. Because a small quantity of gears are used, the transmission structure is simplified.