Company patents
Edwards Limited
Edwards Limited's patent strategy reveals a surprising shift, with a significant decline in its core 'Pumps (Centrifugal)' category, which still represents 26.9% of its portfolio but saw a -57.1% YoY drop in 2025 and -33.3% so far in 2026. Simultaneously, 'Separation Processes (Filtration, Distillation)' emerged as a key focus with a remarkable +350.0% YoY growth in 2024, despite a subsequent decline, indicating a dynamic re-prioritization away from traditional pumping technologies towards broader material processing solutions.
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.
130 US filings (since 2023) · 12 categories · 26 themes
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.
Technologies and systems for removing unwanted components or separating desired gases from a mixed gas stream, including adsorption, absorption, and membrane-based methods.
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.
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.
Focuses on optimizing the geometry, structure, and internal flow channels of impellers, blades, and housings to improve fluid dynamics, efficiency, or specific performance characteristics of centrifugal pumps and fans.
Components and designs focused on preventing ingress of contaminants (e.g., dirt, water) or egress of lubricants from bearing systems, often using elastic seals, shields, or labyrinth structures.
Systems and methods for automated substrate transport, precise positioning, temperature regulation, and chamber environment management to ensure process stability, uniformity, and yield in semiconductor manufacturing.
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.
Systems and methods for monitoring, regulating, and diagnosing the performance and health of pumps and fans, including speed control, flow rate management, abnormality detection, and safety mechanisms like overspeed safeguards.
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.
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.
Systems and sensors designed to measure the pressure difference between two distinct points or to capture rapid, transient pressure fluctuations in fluid or gas systems, often using diaphragms or pistons.
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.
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.
Design and integration of bearings within larger mechanical systems or devices, focusing on mounting structures, housing, endplay management, and overall assembly for specific 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.
Valves engineered to automatically open or close based on pressure differentials, preventing over-pressurization, controlling flow direction, or suppressing backflow in fluid systems.
Systems and methods specifically engineered for removing pollutants and impurities from water sources, ranging from groundwater decontamination to point-of-use filtration, often employing adsorption, membrane, or distillation techniques.
Measures force or pressure by detecting changes in electrical capacitance. This typically involves the deformation of a dielectric material or the relative movement of conductive plates, altering the distance or area between them.
Development of materials with tailored porosity, surface chemistry, or structure, such as metal-organic frameworks (MOFs), zeolites, or superficially porous particles, for selective adsorption, ion exchange, or chromatographic separations.
Equipment and processes for separating solid particles from liquid or gas phases in industrial settings, encompassing mechanical screening, filtration of molten materials, and various filter media designs.
Methods and systems for real-time monitoring and control of coating processes or chamber cleaning, utilizing sensor data (e.g., thermal, pressure, optical) and predictive models to ensure quality and optimize efficiency.
Specific heat exchanger designs and auxiliary components tailored for integration into refrigeration, air conditioning, or heat pump systems, often involving gas-liquid separation or rotary mechanisms.
Specialized valve designs for domestic and commercial applications involving water distribution, temperature control, and air conditioning, often focusing on integration, materials, and specific flow characteristics.
Mechanisms allowing rapid, secure, and often sealed attachment and detachment of pipes, tubes, or hoses, frequently featuring locking, sealing, and release components for efficient assembly and maintenance.
Couplings and fittings designed for specific fluid properties (e.g., cryogenic, chemical, medical, high-pressure) or requiring aseptic conditions, low-spill characteristics, or antimicrobial features to ensure safety and integrity.
Patents
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