Inventor · Bra, IT

Piero Perlo

54Patents
15h-index
47Co-inventors
80Inventor score

Filing activity: Sep 25, 1996 → Nov 8, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6262786A Devices with micro-filters and micro-choppers for dynamic selection of colours and images Physics 55 Expired
US7297132B2 Shape memory shutter device Human Necessities 55 Expired
US7635214B2 Modular system for luminous signals, particularly for road signals Physics 46 Active
US6486790B1 White-LED luminous signalling device Emerging Cross-Sectional Technologies 36 Expired
US5839807A Device with micro-filters for selecting colors and images Mechanical Engineering; Lighting; Heating 34 Expired
US5898254A Electrostatic linear motor with deformable feet between a runner and a dielectric layer of a stator Electricity 32 Expired
US5817396A Antireflection surface having a predetermined roughness, particularly for motor-vehicle dashboards Emerging Cross-Sectional Technologies 28 Expired
US5841596A Lighting system with a micro-telescope integrated in a transparent plate Mechanical Engineering; Lighting; Heating 27 Expired
US7252265B2 Microaircraft and cellular phone equipped with microaircraft Electricity 24 Expired
US6095655A Reflector for a lighting device with an elongated light source Mechanical Engineering; Lighting; Heating 23 Expired
US6854686B2 VTOL aircraft Performing Operations; Transporting 21 Expired
US6976653B2 VTOL micro-aircraft Performing Operations; Transporting 21 Expired
US6861674B2 Electroluminescent device Electricity 20 Expired
US6554455B2 Lighting device, particularly a motor vehicle light Mechanical Engineering; Lighting; Heating 18 Expired
US7592712B2 Electric generator device actuated by a fluid flow Emerging Cross-Sectional Technologies 15 Active
US5997156A Lighting device for generating a rectangular pattern at the work area, E. G. for illuminating pedestrian crossings Mechanical Engineering; Lighting; Heating 15 Expired
US6932030B2 Microgenerator of electrical energy Mechanical Engineering; Lighting; Heating 15 Expired
US5808383A Step linear electrostatic motor Electricity 14 Expired
US6641282B2 Controlled-luminance lighting device Mechanical Engineering; Lighting; Heating 13 Expired
US6939332B2 Controlled shutter, with variable section Human Necessities 13 Expired
US5818627A Devices with micro-mirrors and micro-filters for selecting colors and images Physics 11 Expired
US6812626B2 Light source with matrix of microfilaments Electricity 10 Expired
US7098775B2 System to avoid the collision of a vehicle with animals Physics 9 Expired
US6761475B2 Lighting device, particularly a motor vehicle light or emergency light Emerging Cross-Sectional Technologies 9 Expired
US7018261B2 Method for producing an incandescent light source and light source obtained according to such method Emerging Cross-Sectional Technologies 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.