This inventor holds 6 USPTO granted patents. Top assignees: Esb Incorporated, Rayovac Corporation. Active years: 1976-1993.
Company Filing History:
Years Active: 1976-1993
Title: Ralph H Feldhake: Innovator in Electrochemical Cell Technology
Introduction
Ralph H Feldhake is a notable inventor based in Verona, WI (US), recognized for his contributions to the field of electrochemical cells. With a total of six patents to his name, Feldhake has made significant advancements in high-temperature lithium solid cathode technology.
Latest Patents
Feldhake's latest patents include innovative designs for high-temperature lithium solid cathode electrochemical cells. One of his notable inventions is a lithium carbon monofluoride electrochemical cell adapted for high-temperature use and storage. This design incorporates novel components such as a polyetheretherketone grommet, a single-layer non-woven glass fiber separator, and a sealant containing up to fifteen percent silicone by weight. Additionally, the electrolyte in these cells features an increased proportion of propylene carbonate. For temperatures exceeding 180°C, the conventional metal lithium anode can be replaced with a lithium-alloy material. Another significant patent is for a sealant for lithium cells, which features a polymeric grommet sandwiched between a conductive can and cover, wetted with atactic polypropylene to reduce cell leakage.
Career Highlights
Throughout his career, Feldhake has worked with prominent companies such as Esb Incorporated and Rayovac Corporation. His work has focused on enhancing the performance and reliability of lithium cells, contributing to advancements in energy storage technology.
Collaborations
Feldhake has collaborated with notable individuals in his field, including John Edward Oltman and El-Sayed A Megahed. These collaborations have furthered the development of innovative technologies in electrochemical cells.
Conclusion
Ralph H Feldhake's contributions to the field of electrochemical cells demonstrate his commitment to innovation and advancement in energy storage technology. His patents reflect a deep understanding of materials and engineering, positioning him as a key figure in this industry.