Norrköping, Sweden

Knut A Lundberg

This inventor holds 2 USPTO granted patents. Top assignee: Stal Refrigeration Ab. Active years: 1978-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Knut A Lundberg. Retrieved from https://idiyas.com/inventor/knut-a-lundberg

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1978-1980

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2 patents (USPTO):Explore Patents

Title: The Innovative Mind of Knut A. Lundberg

Introduction: Knut A. Lundberg is an inventive engineer based in Norrkoping, Sweden. He has made significant contributions to the field of refrigeration technology, exemplified through his two notable patents. His work focuses on improving the efficiency and functionality of screw compressors and air flow devices.

Latest Patents: Lundberg's latest patents showcase his innovative approach to engineering solutions. The first patent is for a "Screw Compressor with Bearing Unloading Means." In this invention, an axial force is transmitted from the rotor shaft to the housing by way of an antifriction bearing comprising first and second bearing rings with roll bodies in between. The design allows for a piston, actuatable by fluid pressure, to decrease the axial force on the housing, enhancing the operational efficiency of the compressor.

His second patent involves a "Connecting Device for Intermittent Air Flow." This device features a tubular element that can move between an extended position, where it seals against a mobile container for conditioning air passage, and a retracted position, where it is completely removed from the opening. The valve arrangement within the device facilitates air flow, opening when the tubular element extends and closing upon retraction.

Career Highlights: Knut A. Lundberg is currently associated with Stal Refrigeration AB, a company recognized for its innovation in the refrigeration sector. His role emphasizes engineering design and developing technology that addresses practical problems within the industry, contributing to the advancement of cooling solutions.

Collaborations: Throughout his career, Lundberg has likely collaborated with various professionals and stakeholders within the refrigeration and engineering sectors. These collaborations may have enhanced his understanding of market needs and technical challenges, further fueling his inventive pursuits.

Conclusion: Knut A. Lundberg is a prominent inventor whose innovations in screw compressors and air flow mechanisms reflect his commitment to enhancing refrigeration technology. His contributions not only exemplify individual brilliance but also underscore the importance of innovation within the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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