Harald A Wallgren

Title: The Innovative Mind of Harald A. Wallgren

Introduction

Harald A. Wallgren is a notable inventor based in Alvsjö, Sweden. He is recognized for his contributions to the field of sanitation technology, particularly through his innovative vacuum toilet system. With a focus on efficiency and functionality, Wallgren's inventions aim to improve the user experience while addressing environmental concerns.

Latest Patents

Wallgren holds a patent for a vacuum toilet system, which features a toilet bowl with a movable cover that can seal against the rim when closed. This design includes a liquid supply opening that allows for the introduction of liquid into the bowl while the cover is closed. The system also incorporates a discharge valve that connects the toilet bowl to a sewer pipe, enabling the establishment of a partial vacuum. The reservoir for rinse liquid is designed to maintain pressure balance with the liquid supply opening, ensuring effective operation.

Career Highlights

Harald A. Wallgren has made significant strides in his career, particularly through his work at Oy Wärtsilä Ab. His innovative approach to toilet systems has garnered attention and recognition within the industry. Wallgren's dedication to improving sanitation technology reflects his commitment to enhancing everyday life through practical inventions.

Collaborations

Throughout his career, Wallgren has collaborated with talented individuals such as Arne Ask and Sven Oldfelt. These partnerships have contributed to the development and refinement of his innovative ideas, showcasing the importance of teamwork in the field of invention.

Conclusion

Harald A. Wallgren's contributions to the field of sanitation technology exemplify the impact of innovation on everyday life. His vacuum toilet system represents a significant advancement in efficiency and functionality, highlighting his role as a forward-thinking inventor.