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For the Inventor, By the Inventor

Pioltello, Italy

Top Glass S.p.a.


USPTO Granted Patents = 3

% Expired Patents = 66.7


Trademarks = 3

Forward Citations = 3

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1 inventor (with patents filed for the assignee):

goldMedal Alfonso Branca (3 out of 8 patents)

silverMedal Top Glass SpA SpA (0 patent)


3 patents:

1. 7478509 - Device and method for connecting profiles (2009-01-20),
2. 6623575 - Method for producing a manufactured item at least partly in recycled material, and the manufactured item so obtained (2003-09-23),
3. 6591942 - Process for manufacturing a composite material ladder and ladder obtained with said process (2003-07-15),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#1 in Pioltello

#2,460 in Italy

Pioltello, IT
Pioltello, Italy

Top Glass S.p.a.

Forward Citations = 3

1 inventor:

goldMedal Alfonso Branca (3 out of 8 patents)

silverMedal Top Glass SpA SpA (0 patent)

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