Oslo, Norway

Per Magne Almdahl

This inventor holds 4 USPTO granted patents. Top assignees: Norskhydro Asa, Ab Asea-Atom, Other. Active years: 1981-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Per Magne Almdahl. Retrieved from https://idiyas.com/inventor/per-magne-almdahl

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 = 3.6

ph-index = 3

Forward Citations = 148(Granted Patents)


Company Filing History:


Years Active: 1981-2008

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4 patents (USPTO):Explore Patents

Title: Per Magne Almdahl: Innovator in Sub-Sea Technology

Introduction

Per Magne Almdahl is a notable inventor based in Oslo, Norway. He has made significant contributions to the field of sub-sea technology, particularly in oil and gas installations. With a total of four patents to his name, Almdahl's work has had a considerable impact on the industry.

Latest Patents

One of Almdahl's latest patents is a riser control device designed for use with spool or horizontal production trees in sub-sea oil and gas installations. This innovative device features a housing that contains a radially movable pair of rams for isolating the well, as well as a pair of shear blades for cutting off an intervention string. The rams and blades are operated by a vertically disposed actuator integrated into the housing, which may utilize a hydraulically driven annular piston and chamber system. This design allows for efficient control of the well and enhances safety during operations.

Career Highlights

Throughout his career, Almdahl has worked with various companies, including Norsk Hydro ASA. His expertise in sub-sea technology has positioned him as a key figure in the development of advanced solutions for the oil and gas sector.

Collaborations

Almdahl has collaborated with notable professionals in his field, including Per Eivind Gramme and Alexander Angus Grant. These partnerships have contributed to the advancement of innovative technologies in sub-sea applications.

Conclusion

Per Magne Almdahl's contributions to sub-sea technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to shape the future of oil and gas installations.

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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