Per O Risman

Title: The Innovations of Per O Risman

Introduction

Per O Risman is a notable inventor based in Harryda, Sweden. He has made significant contributions to the field of microwave technology, holding a total of 5 patents. His work focuses on innovative methods and devices that enhance microwave applications.

Latest Patents

Among his latest patents is a device and method for microwave feeding of an oven cavity. This invention utilizes a coupling slot fed by a waveguide, where the a-dimension of the waveguide is significantly larger than the effective a-dimension of the slot. The slot features a radiating main slot part along with slot extensions that project from it, each having a substantially smaller cross-dimension than the b-dimension of the main slot part. Another notable patent is the tubular microwave applicator, which is designed for applying microwave irradiation to a load with a generally circular cross-section. This applicator supports a dominant TM₁₂₀ mode, aligning the load with a central axis in the applicator. The design includes pairs of feed apertures that are diametrically opposed or located on parallel opposed walls, depending on the cross-sectional shape of the load.

Career Highlights

Throughout his career, Per O Risman has worked with several companies, including The Rubbright Group, Inc. and Skandinavisk Torkteknik AB. His experience in these organizations has contributed to his expertise in microwave technology and innovation.

Collaborations

Per O Risman has collaborated with notable individuals in his field, including Charles R Buffler and Dan Carlsson. These collaborations have likely enriched his work and led to further advancements in microwave applications.

Conclusion

Per O Risman is a distinguished inventor whose contributions to microwave technology are noteworthy. His innovative patents and collaborations reflect his commitment to advancing the field.