Inventor · disambiguated record
Roberto Zappa
Also filed as: ZAPPA ROBERTO
10 granted patents·2 pending applications·95 citations·filing 2000–2016
86Inventor score
Top patents by PatentIndex Score
12 records- 0188US6474448B1Modular lock for elevator doorsSEMATIC ITALIA SPA·Filed 2000·Granted Nov 5, 2002·39 cites·3 claims
- 0283US9663329B2Lift cages with improved blocking/releasing devicesZAPPA ROBERTO·Filed 2012·Granted May 30, 2017·12 cites·12 claims
- 0379US10549955B2Method for the manufacture of a sill for a lift door and sillSEMATIC S P A·Filed 2015·Granted Feb 4, 2020·3 cites·14 claims
- 0478US6708448B2Drive unit for doors, especially elevator doors having a non-rectilinear profileSEMATIC ITALIA SPA·Filed 2001·Granted Mar 23, 2004·26 cites·17 claims
- 0574US7413058B2Active slide for the doors of lifts' cabinsSEMATIC ITALIA SPA·Filed 2005·Granted Aug 19, 2008·9 cites·4 claims
- 0662US7854102B2Panel for lift doorsSEMATIC ITALIA SPA·Filed 2007·Granted Dec 21, 2010·6 cites·22 claims
- 0743US10041278B2Block system and assembly for lift doorsWITTUR HOLDING GMBH·Filed 2015·Granted Aug 7, 2018·0 cites·14 claims
- 0839US2007074825A1Safety device for door liftsSEMATIC ITALIA SPA·Filed 2006·Application pending·0 cites
- 0934US7129703B2Safety switch with an electronic programmable systemSEMATIC ITALIA SPA·Filed 2003·Granted Oct 31, 2006·0 cites·20 claims
- 1034US6612405B2Frontal structure for elevator cabinsSEMATIC ITALIA SPA·Filed 2000·Granted Sep 2, 2003·0 cites·2 claims
- 1132US2013333983A1Landings or car doors for lifts and mounting methods thereofZAPPA ROBERTO·Filed 2011·Application pending·0 cites
- 1230US10620617B2Method of maintenance of an electromechanical deviceWITTUR HOLDING GMBH·Filed 2016·Granted Apr 14, 2020·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →