RZ

Roberto Zappa

SS Sematic Italia S.P.A.: 6 patents #1 of 1Top 100%
WG Wittur Holding Gmbh: 2 patents #7 of 35Top 20%
📍 Bergamo, IT: #30 of 496 inventorsTop 7%
Overall (All Time): #503,892 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10620617 Method of maintenance of an electromechanical device Giuseppe DE FRANCESCO 2020-04-14
10549955 Method for the manufacture of a sill for a lift door and sill 2020-02-04
10041278 Block system and assembly for lift doors 2018-08-07
9663329 Lift cages with improved blocking/releasing devices 2017-05-30
7854102 Panel for lift doors 2010-12-21
7413058 Active slide for the doors of lifts' cabins 2008-08-19
7129703 Safety switch with an electronic programmable system 2006-10-31
6708448 Drive unit for doors, especially elevator doors having a non-rectilinear profile 2004-03-23
6612405 Frontal structure for elevator cabins 2003-09-02
6474448 Modular lock for elevator doors 2002-11-05