Company patents

Wuxi Little Swan Electric Co., Ltd.

Wuxi Little Swan Electric Co., Ltd. demonstrates a strong, albeit shifting, focus on consumer appliances, with Laundry / Dry Cleaning representing 76.8% of its portfolio and Domestic Cleaning Devices showing rapid growth of +125.0% in 2025. Surprisingly, despite its core business, the company also shows an emerging interest in Water / Sewage Treatment, with a 100.0% year-over-year growth in 2026 (so far), suggesting a potential diversification into related environmental technologies.

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.

56 US filings (since 2023) · 8 categories · 11 themes

Microparticle & Lint Management

Systems and methods for filtering microplastics, lint, and other foreign particulates from water or air streams within laundry appliances, often including self-cleaning or blockage detection mechanisms.

Laundry / Dry Cleaning
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35since 2023
+60.0%YoY
Automated Additive Dispensing

Mechanisms for storing, dispensing, and monitoring the delivery of liquid or solid laundry additives (detergents, softeners) into the wash fluid, including diagnostics for ensuring correct operation.

Laundry / Dry Cleaning
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17since 2023
+66.7%YoY
Integrated Fluid & Chemical Dispensing

Systems for storing, heating, pumping, and precisely dispensing water or cleaning solutions within domestic appliances or cleaning tools. This includes cartridge-based systems, dissolvable cleaning agents, and controlled fluid delivery for optimal cleaning performance.

Domestic Cleaning Devices
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16since 2023
-16.7%YoY
Automated Docking & Self-Maintenance

Systems and mechanisms that allow autonomous cleaning robots or devices to return to a base station for automated tasks such as mop washing, dustbin emptying, fluid replenishment, or cleaning of tool heads without human intervention.

Domestic Cleaning Devices
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14since 2023
+66.7%YoY
Specialized Garment Treatment Devices

Appliances or modules designed for specific garment care tasks beyond conventional washing and drying, such as steaming, ironing, or autonomous dry-cleaning processes.

Laundry / Dry Cleaning
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13since 2023
+100.0%YoY
Appliance Health & Anomaly Detection

Technologies for monitoring the operational status of laundry appliances, identifying abnormal conditions (e.g., pump blockages, motor issues, external noise), and initiating responsive actions or alerts.

Laundry / Dry Cleaning
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5since 2023
0.0%YoY
Smart Load Sensing & Cycle Control

Utilizes sensors and intelligent algorithms to detect laundry load characteristics, operational conditions (e.g., imbalance, resonance, dryness), and dynamically adjust washing or drying cycles for optimal performance and efficiency.

Laundry / Dry Cleaning
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4since 2023
new
Advanced Oxidation & Disinfection

Processes that use strong oxidants, electrochemical methods, sonic waves, or other energy-intensive techniques to break down organic pollutants, disinfect water, or facilitate contaminant separation.

Water / Sewage Treatment
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4since 2023
-50.0%YoY
Appliance Installation & User Ergonomics

Design features and accessories that improve the installation, storage, usability, and overall user experience of household cleaning appliances and manual tools. This includes mounting brackets, ergonomic handles, and integrated storage solutions.

Domestic Cleaning Devices
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3since 2023
+100.0%YoY
Advanced Debris Collection & Filtration

Innovations in vacuum cleaner components and systems for efficiently separating, compacting, and containing collected dust, dirt, or lint. This often involves multi-stage filtration, cyclonic separation, or specialized disposal mechanisms to improve air quality and ease of maintenance.

Domestic Cleaning Devices
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2since 2023
0.0%YoY
Modular & Specialized Cleaning Tools

Design and material innovations for specific cleaning components or attachments, such as brush rolls, mop pads, scrapers, or multi-functional surface tools. These are often tailored for particular surfaces, debris types, or cleaning tasks to enhance effectiveness.

Domestic Cleaning Devices
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1since 2023
new

Patents

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