The Bank of Montreal has been granted a patent for a temperature limiting device designed for thermal systems. This modular unit connects to a two-wire heater, measuring electrical characteristics to calculate temperature and ensure it does not exceed a predetermined setpoint, enhancing safety and efficiency. GlobalData’s report on Bank of Montreal 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 Bank of Montreal, 3D memory devices was a key innovation area identified from patents. Bank of Montreal's grant share as of July 2024 was 85%. Grant share is based on the ratio of number of grants to total number of patents.
Temperature limiting device for thermal systems
The granted patent US12048069B2 introduces a temperature limiting device designed for thermal systems, particularly those utilizing two-wire heaters. The device comprises a modular unit that includes a heater interface for connecting to the heater, a power interface for receiving power from a source, and an input/output interface for communication with external devices, such as a process controller. Central to the device is a controller equipped with a sensor circuit that measures electrical characteristics—such as voltage and current—of the two-wire heater. This data allows the controller to calculate the thermal system's temperature and determine if it exceeds a predefined temperature setpoint. If the temperature surpasses this setpoint, the controller can operate a power switch to turn off the heater, thereby preventing overheating.
Additionally, the temperature limiting device can store predefined information linking temperature values to performance characteristics of the heater, enabling it to assess the heater's performance based on the measured electrical characteristics. The device can also determine the temperature of the heater itself or the load being heated. The modular unit may include a power switch that is either integrated with the heater or positioned separately, allowing for flexible installation in various thermal systems. The patent outlines multiple configurations for the device, including its integration with thermal cut-off circuits and discrete sensors, enhancing its functionality in managing the thermal performance of heaters effectively.
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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.
