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For the Inventor, By the Inventor

SE

Cejn Aktiebolag

Calculating rank
USPTO Granted Patents = 2

Forward Citations = 8

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3 inventors (with patents filed for the assignee):

goldMedal Jörgen Ekström (1 out of 7 patents)

silverMedal Lars-Erik Svensson (1 out of 1 patent)

bronzeMedal Björn Engdahl (1 out of 1 patent)


2 patents:

1. 8387949 - Coaxial coupling with by-pass valve and coupling mechanism with bayonette form (2013-03-05),
2. 8267434 - Hose coupling provided with non return valve and a combined locking and obstructing body (2012-09-18),
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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#193 in

#256 in Sweden

SE
SE

Cejn Aktiebolag

Forward Citations = 8

3 inventors:

goldMedal Jörgen Ekström (1 out of 7 patents)

silverMedal Lars-Erik Svensson (1 out of 1 patent)

bronzeMedal Björn Engdahl (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cejn Aktiebolag. Retrieved from https://idiyas.com/company/cejn-aktiebolag

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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