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For the Inventor, By the Inventor

Lucca, Italy

Perini Navi S.p.a.

USPTO Granted Patents = 3

% Expired Patents = 33.3



Forward Citations = 73

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2 inventors (with patents filed for the assignee):

goldMedal Guglielmo Biagiotti (2 out of 75 patents)

silverMedal Fabio Perini (1 out of 52 patents)

bronzeMedal Mauro Ghilardi (0 patent)


3 patents:

1. 6855228 - Method and device for the production of multilayer paper and related products (2005-02-15),
2. 5040738 - Rewinding machine for the formation of logs of wound paper which can be (1991-08-20),
3. 5038647 - Cutting-off machine for cutting logs of paper material and the like (1991-08-13),
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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#8 in Lucca

#2,471 in Italy

Lucca, IT
Lucca, Italy

Perini Navi S.p.a.

Forward Citations = 73

2 inventors:

goldMedal Guglielmo Biagiotti (2 out of 75 patents)

silverMedal Fabio Perini (1 out of 52 patents)

bronzeMedal Mauro Ghilardi (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Perini Navi S.p.a.. Retrieved from https://idiyas.com/company/perini-navi

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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