This inventor holds 3 USPTO granted patents. Top assignee: Holcroft & Company. Active years: 1978-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1978-1984
Title: Innovations by Donald J Schwalm
Introduction
Donald J Schwalm is an accomplished inventor based in Northville, MI (US). He holds a total of 3 patents that showcase his expertise in the field of heat treatment and furnace technology. His innovative approaches have contributed significantly to advancements in controlled atmosphere furnaces.
Latest Patents
One of Schwalm's latest patents is a method of controlling furnace atmospheres. This invention discloses a method for managing the atmosphere of a heat-treating furnace, which primarily consists of a carrier gas of CO, H₂, and N₂ produced from a mixture of methanol and nitrogen. The invention allows for the adjustment of the flow ratio of methanol to nitrogen to maintain the CO content at a predetermined level. This enhances the effectiveness of conventional means for controlling the flow of additive gases, ensuring the carbon potential of the furnace atmosphere is maintained accurately.
Another significant patent by Schwalm is related to a furnace designed for the bright annealing of copper. This invention introduces a new concept for conserving energy in controlled atmosphere heat treating furnaces. It features a separate atmosphere-producing system that operates independently of temperature control, along with a cooling system that extracts excess heat produced by combustion. This design allows the furnace to maintain desired operating temperatures regardless of workload variations, effectively minimizing unnecessary heat losses.
Career Highlights
Donald J Schwalm is associated with Holcroft & Company, where he applies his innovative ideas to enhance furnace technology. His work has been instrumental in developing more efficient and effective heat treatment processes.
Conclusion
Donald J Schwalm's contributions to furnace technology through his patents demonstrate his commitment to innovation and efficiency in the industry. His inventions not only improve operational effectiveness but also promote energy conservation in heat treatment processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile