Bio-Rad Laboratories. has been granted a patent for a microfluidic valve assembly designed to control liquid flow in microfluidic channels. The invention includes a unique configuration of substrates and an elastomeric membrane, enhancing the functionality of microfluidic systems. GlobalData’s report on Bio-Rad Laboratories gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Bio-Rad Laboratories, Laboratory automation robots was a key innovation area identified from patents. Bio-Rad Laboratories's grant share as of July 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Microfluidic valve assembly for liquid flow control
The granted patent US12017220B2 presents a microfluidic valve assembly designed to control liquid flow within microfluidic channels. The assembly comprises a basic substrate, an elastomeric membrane, and a top substrate, with the elastomeric membrane clamped between the two substrates. The basic substrate features a valve seat with specific perimeters and a central recess, which is integral to the valve's operation. The design allows for precise control of liquid flow, with the valve cavity volume and hydraulic diameters of the inlet and outlet channels specified to ensure optimal performance. The assembly can include multiple microfluidic valves and channels, enhancing its versatility in various applications.
Additionally, the patent outlines a detailed process for producing the microfluidic valve, emphasizing the arrangement of components and the securing method that ensures the elastomeric membrane remains in a relaxed state when the valve is open. The specifications include various dimensions and material properties, such as the thickness of the elastomeric membrane and the hardness on the Shore scale, which are critical for the valve's functionality. The claims also describe the geometric configurations of the valve seat and projections, which contribute to the effective sealing and operation of the valve. Overall, this patent provides a comprehensive framework for the design and manufacturing of microfluidic valves, which are essential in numerous scientific and industrial applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
