Company Filing History:
15 out of 1,152 
2 out of 5,071 
1 out of 1 Years Active: 1980-2017
Title: Innovations by Inventor Dale A. Zellers in Energy Efficiency
Introduction
Dale A. Zellers, based in Bartlesville, OK, is a noted inventor with an impressive portfolio of 19 patents. His contributions to the field of chemical engineering, particularly in polymerization processes, highlight his commitment to creating energy-efficient manufacturing solutions.
Latest Patents
Among his latest innovations, Zellers has developed an "Energy Efficient Polyolefin Process." This manufacturing system includes a polymerization reactor, flash chamber, and a unique purge column capable of receiving a solids stream directly from the flash chamber. Notably, this system is designed to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced, optimizing its use of electricity, steam, and fuel gas.
Another significant patent is the "Pumping Apparatus and Process for Polymerization in Loop Reactors." This invention introduces an olefin polymerization process wherein a fluid slurry containing monomer, diluent, and catalyst is circulated in a continuous loop reactor by multiple pumps. The design allows for significantly higher solids content in the circulating fluid slurry, improving efficiencies in larger-volume reactors.
Career Highlights
Zellers has had a distinguished career, contributing to major companies in the chemical industry, including Chevron Phillips Chemical Company and Phillips Petroleum Company. His work in these organizations underscores his expertise and dedication to advancing manufacturing technology in the polymer sector.
Collaborations
Throughout his career, Zellers has collaborated with esteemed colleagues, including John D. Hottovy and David H. Burns. These partnerships have fostered the exchange of innovative ideas and helped drive the development of groundbreaking technologies in polymerization.
Conclusion
Dale A. Zellers' contributions to energy efficiency in polymer processes exemplify how innovation can lead to significant advancements in the chemical industry. His patents reflect a deep understanding of manufacturing needs and a commitment to reducing energy consumption, demonstrating the important role of inventors in creating sustainable solutions.