Location History:
- St. Louis, MO (US) (2021)
- Houston, MN (US) (2007 - 2023)
- Hudson, FL (US) (2024)
Company Filing History:
24 out of 341 
2 out of 832,891 Years Active: 2007-2025
Sure, here is the article about inventor John Frederic Lemke:
Title: Innovator Spotlight: John Frederic Lemke - Revolutionizing Heater Control Systems.
Introduction: John Frederic Lemke, a talented inventor hailing from Houston, MN, has made a significant impact in the field of heater control systems with his groundbreaking innovations.
Latest Patents: Lemke's recent patents include a state-of-the-art Control System for controlling a heater, which features a sophisticated setup of zone control circuits and auxiliary controllers, all managed by a primary controller. Additionally, he has introduced an Isolated Power Converter for thermal systems, offering adjustable power to heaters while ensuring electrical isolation for safety.
Career Highlights: With an impressive portfolio of 21 patents, Lemke has demonstrated his prowess in developing cutting-edge solutions for the heating industry. His work at Watlow Electric Manufacturing Company has been instrumental in enhancing the efficiency and performance of heater systems.
Collaborations: Throughout his career, Lemke has collaborated with esteemed colleagues such as Keith D Ness and Robert A Pape, pooling their expertise to create innovative technologies that push the boundaries of heater control systems.
Conclusion: John Frederic Lemke's dedication to innovation and his remarkable contributions to the field of heater control systems have solidified his reputation as a visionary inventor. His relentless pursuit of excellence continues to inspire advancements in the industry, paving the way for a more efficient and sustainable future.
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