RDB PLASTOTECNICA S.P.A

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Patents Grantslast 30 patents

Information Patent Grant
Multiple-layer net structure for fluid drainage, particularly for g...
- Patent number 5,255,998
- Issue date Oct 26, 1993
- RDB Plastotecnica S.p.A.
- Mario Beretta
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Block particularly for building loose-laid retaining walls
- Patent number 5,214,898
- Issue date Jun 1, 1993
- RDB Plastotecnica S.p.A.
- Mario Beretta
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Plastic material net structure
- Patent number 5,053,264
- Issue date Oct 1, 1991
- RDB Plastotecnica S.p.A.
- Mario Beretta
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process to obtain molecular orientations in perforated plates made...
- Patent number 4,808,358
- Issue date Feb 28, 1989
- R D B Plastotecnica S.p.A.
- Mario Beretta
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and equipment to obtain a plate provided with holes directl...
- Patent number 4,470,942
- Issue date Sep 11, 1984
- R.D.B. Plastotecnica S.p.A.
- Mario Beretta
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL