Alberto Vecchiotti
22Patents
11h-index
47Co-inventors
75Inventor score
Filing activity: Feb 29, 1996 → Sep 18, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5929400A | Self commissioning controller for field-oriented elevator motor/drive system | Electricity | 84 | Expired |
| US6467585B1 | Wireless safety chain for elevator system | Performing Operations; Transporting | 43 | Expired |
| US7479861B2 | Inductively coupled power, useful for wireless elevator hall fixtures | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7426981B2 | Elevator wireless communication infrastructure using piconet modules | Performing Operations; Transporting | 23 | Expired |
| US9842446B2 | Systems and methods for lock access management using wireless signals | Physics | 22 | Active |
| US5677519A | Elevator leveling adjustment | Performing Operations; Transporting | 17 | Expired |
| US5883344A | Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements | Electricity | 15 | Expired |
| US5880415A | Automatic calibration of current regulator control compensation for an elevator motor drive with locked rotor | Performing Operations; Transporting | 14 | Expired |
| US7264090B2 | Elevator employing radio frequency identification devices (RFIDs) | Performing Operations; Transporting | 14 | Expired |
| US6401875B1 | Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation | Electricity | 12 | Expired |
| US5909018A | Automatic fine-tuning of rotor time constant and magnetizing current in field-oriented elevator motor drive | Performing Operations; Transporting | 12 | Expired |
| US6848543B2 | Single wall interface traction elevator | Performing Operations; Transporting | 11 | Expired |
| US6253879A | Apparatus and method of determining overspeed of an elevator car | Performing Operations; Transporting | 11 | Expired |
| US5880416A | Automatic calibration of motor speed loop gain for an elevator motor control | Performing Operations; Transporting | 10 | Expired |
| US5777280A | Calibration routine with adaptive load compensation | Performing Operations; Transporting | 7 | Expired |
| US7597177B2 | Ultrasonic/electromagnetic non-contact buttons/switches for elevators | Electricity | 5 | Expired |
| US8356698B2 | Wireless elevator hall fixtures integral with hall door frame | Performing Operations; Transporting | 5 | Active |
| US6484849B2 | Elevator speed measurement system including reflective signal technology for making speed determinations | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5889238A | Deceleration time for an elevator car | Performing Operations; Transporting | 2 | Expired |
| US5896954A | Automatic fine tuning of rotor time constant in field-oriented elevator motor drive | Performing Operations; Transporting | 2 | Expired |
| US11365921B2 | System and method of freeze protection for a chiller | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9721402B2 | Access control apparatus with modular encoder subassembly | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.