Location History:
- Chicago, IL (US) (1983)
- Bloomingdale, IL (US) (1988)
Company Filing History:
Years Active: 1983-1988
Title: The Innovations of Donald R. Janninck
Introduction
Donald R. Janninck is a notable inventor based in Chicago, IL, who has made significant contributions to the field of mineral processing. With a total of 2 patents, his work focuses on enhancing the efficiency of mineral production processes.
Latest Patents
One of Janninck's latest patents is for a method of highly efficient calcination of gypsum to hemihydrate. This innovative process involves hydrodynamic pumping of the fluidized calcining mass in a kettle, utilizing heating rods that emit a consistent amount of heat. This design enhances heat transfer, allowing for increased calcination rates while reducing heat input. Another significant patent is for an apparatus designed for the production of mineral fibers using rotating discs. This apparatus features a container that heats mineral material to create a molten pool, with discs immersed in the pool and rotating at high speeds. The design includes mechanisms for moving gas across the edges of the discs to assist in fiber attenuation.
Career Highlights
Janninck's career is marked by his association with the United States Gypsum Company, where he has applied his innovative ideas to improve production techniques. His work has contributed to advancements in the efficiency and effectiveness of mineral processing.
Collaborations
Throughout his career, Janninck has collaborated with notable colleagues, including Otto L. Dozsa and Richard F. Stone. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Donald R. Janninck's contributions to the field of mineral processing through his patents and career at the United States Gypsum Company highlight his role as an influential inventor. His innovative approaches continue to impact the industry positively.