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For the Inventor, By the Inventor

Stord, Norway

Tool-Tech as

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 75.0


Forward Citations = 35

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1 inventor (with patents filed for the assignee):

goldMedal Egil Eriksen (8 out of 21 patents)


8 patents:

1. 8919374 - Hydraulic control valve with two valve slides (2014-12-30),
2. 8894913 - Method for production of an acid proof, seemless pressure vessel (2014-11-25),
3. 8720573 - Method for sampling and analysis of production from a subsea well for measuring salinity of produced water and also volumetric ratio between liquid fractions (2014-05-13),
4. 8701480 - Downhole pressure and vibration measuring device integrated in a pipe section as a part of a production tubing (2014-04-22),
5. 8602046 - Method and a device for the cleaning of a piston-based hydraulic accumulator (2013-12-10),
6. 8574417 - Method for two-step separation of water, salt and particles from a hydraulic fluid (2013-11-05),
7. 8427327 - Liquid flow measuring during buoy-loading (2013-04-23),
8. 8186293 - Device for an inert gas installation on a floating vessel (2012-05-29),
Company Overview
Tool-tech AS is a leading provider of innovative tools and technologies for various industries. With a strong focus on quality and efficiency, Tool-tech offers a wide range of cutting-edge solutions to help businesses improve their productivity and performance. From precision machining tools to advanced automation systems, Tool-tech is committed to delivering top-notch products and services to its clients worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#1 in Stord

#216 in Norway

Stord, NO
Stord, Norway

Tool-Tech as

Forward Citations = 35

1 inventor:

goldMedal Egil Eriksen (8 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tool-Tech as. Retrieved from https://idiyas.com/company/tool-tech-as

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

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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