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For the Inventor, By the Inventor

San Giovanni Al Natisone, Italy

Daneco Danieli Ecologia Spa


USPTO Granted Patents = 2

Forward Citations = 12

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2 inventors (with patents filed for the assignee):

goldMedal Gianfranco Velcich (1 out of 2 patents)

silverMedal Luigi Castelli (1 out of 2 patents)


2 patents:

1. 5262577 - Method to convert refuse derived fuel into a combustible gas (1993-11-16),
2. 4894066 - Method to produce fuel from solid urban refuse, the method including (1990-01-16),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1 in San Giovanni Al Natisone

#3,155 in Italy

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San Giovanni Al Natisone, Italy

Daneco Danieli Ecologia Spa

Forward Citations = 12

2 inventors:

goldMedal Gianfranco Velcich (1 out of 2 patents)

silverMedal Luigi Castelli (1 out of 2 patents)

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