This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignees: Columbia Energy Storage, Inc., Trexco, LLC, Rwi. Active years: 1981-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 1981-2005
Title: The Innovative Contributions of Robert L. Longardner
Introduction
Robert L. Longardner, an esteemed inventor located in Indianapolis, IN, has made significant contributions to the field of energy systems with a total of eight patents to his name. His innovative work primarily revolves around enhancing the efficiency and effectiveness of power transformers through advanced cooling systems.
Latest Patents
Among his latest patents, "Apparatus and Method for Cooling Power Transformers" stands out. This patent describes a system designed to reduce the temperature of cooling oil in power transformers, utilizing a heat exchanger that facilitates liquid-to-liquid heat exchange. The exchanger is interposed in the cooling oil system and employs a coolant sourced from an absorption chiller, which is in turn powered by a heat storage device. Additionally, the system’s programmable controller intelligently regulates operations based on real-time temperature readings, optimizing cooling efficiency by anticipating increased needs based on historical data.
Another significant patent by Longardner is the "Phase Change Material Heat Exchanger with Heat Energy Transfer Elements Extending Through the Phase Change Material." This innovation features a heat exchanger that operates through multiple cycles—melt and freeze. It includes a container filled with phase change material and strategically designed heat energy transfer elements that can heat or cool the phase change material, significantly enhancing thermal management capabilities.
Career Highlights
Robert has been associated with notable organizations such as Columbia Energy Storage, Inc., where he applied his expertise in developing innovative energy solutions. His patents reflect a deep commitment to enhancing energy efficiency and functionality in power systems, showcasing his ingenuity and technical prowess in addressing significant engineering challenges.
Collaborations
Throughout his career, Longardner has collaborated with skilled professionals including William J. Longardner and William A. Summers. These partnerships have fostered a productive exchange of ideas and have likely contributed to the successful development of his patented technologies.
Conclusion
Robert L. Longardner exemplifies the spirit of innovation, as demonstrated by his eight patents in the energy sector. His work, particularly in cooling systems for power transformers, showcases a range of inventive solutions that enhance energy performance and efficiency. Through his collaborations and career at companies like Columbia Energy Storage, Inc., he continues to contribute meaningfully to advancements in the field, paving the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile