Øvrebø, Norway

Per Slettedal

This inventor holds 4 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Aker Kvaerner Mh as, Maritime Hydraulics as. Active years: 1989-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Per Slettedal. Retrieved from https://idiyas.com/inventor/per-slettedal

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

Calculating rank

% Patents Active = 50.0



Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 109(Granted Patents)


Location History:

  • Ovrebo, NO (1989)
  • Øvrebø, NO (2005 - 2008)

Company Filing History:


Years Active: 1989-2008

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4 patents (USPTO):Explore Patents

Title: Per Slettedal: Innovator in Torque Technology

Introduction

Per Slettedal is a notable inventor based in Øvrebø, Norway. He has made significant contributions to the field of torque technology, particularly in the petroleum industry. With a total of 4 patents to his name, Slettedal's innovations have enhanced the efficiency and safety of pipe handling operations.

Latest Patents

Slettedal's latest patents include a "Rotation unit for torque tong comprising a gripping cylinder" and a "Rotation unit for torque tong comprising a rotational part with teeth." The first patent describes a rotation unit designed for making and breaking threaded connections between pipes, primarily used in petroleum production. This unit features a fixed part and a rotary part that grips the pipe to be rotated. The rotary part includes at least one movable gripping jaw that engages with the pipe, while the fixed part has a gripping cylinder that facilitates this engagement. The second patent also focuses on a rotation unit for torque tongs, incorporating a rotary part with toothing that engages with a chain connected to an actuator, allowing for rotary movement.

Career Highlights

Throughout his career, Slettedal has worked with prominent companies such as Maritime Hydraulics AS and Aker Kvaerner MH AS. His experience in these organizations has contributed to his expertise in developing innovative solutions for the petroleum industry.

Collaborations

One of his notable coworkers is Terje Egeland, with whom he has collaborated on various projects.

Conclusion

Per Slettedal's contributions to torque technology have made a significant impact on the petroleum industry. His innovative patents demonstrate his commitment to improving operational efficiency and safety in pipe handling.

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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