This inventor holds 2 USPTO granted patents. Top assignee: Rosemount Inc.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: David J Hillman: Innovator in Cryogenic Temperature Sensing
Introduction
David J Hillman is an accomplished inventor based in Prescott, Wisconsin. He has made significant contributions to the field of industrial process measurement, particularly in cryogenic temperature sensing. His innovative work has led to the development of a unique process variable transmitter that enhances the accuracy and reliability of temperature measurements in cryogenic environments.
Latest Patents
David J Hillman holds a patent for a "Process variable transmitter with cryogenic temperature sensor." This invention is designed to sense cryogenic temperatures in industrial processes. The transmitter includes a cryogenic temperature sensor that is thermally coupled to the industrial process. The sensor's electrical resistance changes in response to variations in cryogenic temperature. The resistance measurement circuitry is connected to the sensor and provides an output related to temperature based on the measured resistance. Additionally, the transmitter output circuitry transmits information regarding the cryogenic temperature to a remote location. This innovative sensor comprises a polycrystalline silicon sensor with a dopant, allowing it to effectively measure temperatures within a specific resistance range.
Career Highlights
David J Hillman is associated with Rosemount Inc., a company known for its advanced measurement and control solutions. His work at Rosemount has focused on developing technologies that improve industrial process efficiency and safety. With a patent portfolio that includes one notable patent, Hillman has established himself as a key player in the field of cryogenic temperature measurement.
Collaborations
David J Hillman has collaborated with fellow inventor David M Strei, working together to advance technologies in their field. Their partnership has contributed to the development of innovative solutions that address the challenges faced in industrial temperature measurement.
Conclusion
David J Hillman is a notable inventor whose work in cryogenic temperature sensing has made a significant impact on industrial processes. His contributions through patents and collaborations continue to drive innovation in this critical area of technology.