Company patents
Microjet Technology Co., Ltd.
MICROJET TECHNOLOGY CO., LTD. exhibits a surprising patent strategy, heavily concentrated in HVAC & Air Conditioning (44.9% of portfolio) and Separation Processes (Filtration, Distillation) (23.4%), with both categories showing significant growth in 2024 (HVAC +300.0%, Separation Processes +550.0%), indicating a strong and emerging focus on environmental and material processing technologies, while traditional areas like Pumps (Positive Displacement) and Printers & Typewriters have seen a sharp decline in patenting activity, with Pumps dropping to 0 patents in 2025 and 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.
167 US filings (since 2023) · 12 categories · 21 themes
Technologies focused on improving indoor air quality by removing pollutants, microorganisms, or excess humidity, often employing specialized materials, filtration, or air circulation strategies.
Technologies and systems for removing unwanted components or separating desired gases from a mixed gas stream, including adsorption, absorption, and membrane-based methods.
Systems and materials designed for purifying biological fluids (like blood) or capturing airborne particles (like respiratory droplets) using membranes, filters, or specialized coatings.
Application of artificial intelligence, machine learning, and data analysis techniques for tasks such as fault detection, predictive maintenance, learning-based control, and intelligent environmental monitoring in HVAC systems.
Systems and methods for intelligent control of HVAC equipment, often incorporating sensors, communication networks, and adaptive algorithms to optimize comfort, energy efficiency, and operational parameters.
Design and engineering solutions for creating self-contained, mobile, or miniaturized pump systems, often incorporating battery power, ergonomic features, and integrated components for ease of use and transport.
Design aspects of user-replaceable cartridges or containers for printing consumables (e.g., ink, tape, labels) that facilitate easy installation, proper positioning, type identification, and reliable supply to the printer.
Systems and components for storing, delivering, circulating, and managing printing liquids (e.g., ink) to the printhead, often including features for pressure regulation, filtration, degassing, and balancing liquid levels.
Innovations in the design and arrangement of piezoelectric or thermal actuators, drive electronics, and fluidic structures within the printhead to achieve precise and efficient liquid ejection.
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.
Techniques and systems for optimizing pump operation, including capacity modulation, energy management, pulsation reduction, and precise fluid dispensing to improve performance and reduce energy consumption.
Advanced systems for maintaining passenger comfort and air quality within the vehicle cabin, including features like condensation prevention, remote control, after-blow functions, and air purification.
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.
Innovations in the design, materials, and maintenance of seals, valves, and related components to improve durability, reduce leakage, and enable specific pump functions like high-pressure operation or automated seal replacement.
Mechanisms and methods for preventing or removing clogs, ink residue, or contaminants from printhead nozzles and surfaces to ensure consistent print quality and extend printhead lifespan.
Focuses on the design, fabrication, and application of piezoelectric materials and devices for sensing, actuation, or wave generation, including material properties, single crystal growth, and protective layers.
Development of devices and methods for non-invasive or minimally invasive collection and analysis of physiological data, often from wearable sensors, to monitor health, activity, or specific conditions.
Methods and compositions for identifying, quantifying, or characterizing specific biological molecules (e.g., nucleic acids, proteins, metabolites, antibodies) or microbial species, often for diagnostic, prognostic, or quality control applications.
Mechanisms and control systems for precisely moving valve elements, often involving electric motors, cams, solenoids, or pneumatic/hydraulic pilots, to achieve desired flow or position.
Methods and apparatus for disinfecting or sterilizing medical devices, waste, or environments, often employing radiation, chemical agents, or thermal processes, and including monitoring systems.
Valves engineered to automatically open or close based on pressure differentials, preventing over-pressurization, controlling flow direction, or suppressing backflow in fluid systems.
Patents
Showing 1-10 of 343