Location History:
- Portage, WI (US) (1992 - 1995)
- Maple Grove, MN (US) (2002)
Company Filing History:
2 out of 950 
1 out of 832,843 Years Active: 1992-2002
Title: John A Larson: Innovator in Filtration and Electrical Transformer Technology
Introduction
John A Larson is a notable inventor based in Portage, Wisconsin. He has made significant contributions to the fields of filtration technology and electrical transformers. With a total of three patents to his name, Larson's work reflects a commitment to innovation and practical solutions in engineering.
Latest Patents
One of Larson's latest patents is an "Apparatus for removing mist, smoke and particles generated by machine tools." This innovative filter apparatus is designed to efficiently remove contaminants produced by machine tools. It features a mechanical first filtration stage and a second stage that utilizes an electrostatic precipitator. A blower device creates a stream of air that helps to move mist, smoke, and other particles through the filtration stages. The design includes circuitry that selectively opens the circuit to the collector of the electrostatic precipitator, allowing for effective collection of particles without shorting the collector plates when using water-based metalworking fluids.
Another significant patent by Larson is the "Electrical transformer structure with coil covers." This transformer design ensures that the primary and secondary coils are insulated from the iron laminations that form part of its flux paths. The insulated covers snap onto the coils, enhancing the overall efficiency and safety of the transformer.
Career Highlights
Throughout his career, John A Larson has worked with various companies, including North American Philips Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Larson has collaborated with notable coworkers such as Henry Pikul and Anthony J Andolino. Their combined efforts have likely fostered an environment of creativity and innovation in their respective projects.
Conclusion
John A Larson's contributions to filtration and electrical transformer technology demonstrate his dedication to innovation. His patents reflect a deep understanding of engineering principles and a commitment to improving industrial processes. Larson's work continues to influence the fields in which he has made his mark.