Eric Birrer
20Patents
7h-index
20Co-inventors
65Inventor score
Filing activity: Nov 26, 2003 → Apr 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7775329B2 | Method and detection system for monitoring the speed of an elevator car | Performing Operations; Transporting | 21 | Active |
| US6874244B2 | Elevator installation with a measuring system for determining absolute car position | Performing Operations; Transporting | 17 | Expired |
| US6877587B2 | Equipment for determining elevator car position | Performing Operations; Transporting | 10 | Expired |
| US8464841B2 | Method and apparatus for determining the movement and/or the position of an elevator car | Performing Operations; Transporting | 10 | Active |
| US9061863B2 | Safety circuit in an elevator system | Performing Operations; Transporting | 10 | Active |
| US7537092B2 | Elevator installation and method for detecting a car position | Performing Operations; Transporting | 9 | Active |
| US6886667B2 | Equipment for ascertaining the position of a rail-guided elevator car with a code carrier | Performing Operations; Transporting | 9 | Expired |
| US9169104B2 | Activating a safety gear | Performing Operations; Transporting | 7 | Active |
| US9193563B2 | Elevator system floor position detection device | Performing Operations; Transporting | 4 | Active |
| US10526169B2 | Safety switching for an elevator system | Performing Operations; Transporting | 3 | Active |
| US9926170B2 | Movement-monitoring system of an elevator installation | Physics | 3 | Active |
| US11548759B2 | Position determining system and method for determining a car position of an elevator car | Physics | 2 | Active |
| US11124388B2 | Locking system for elevator car door | Performing Operations; Transporting | 2 | Active |
| US10364127B2 | Elevator installation safety system and method of checking same | Performing Operations; Transporting | 2 | Active |
| US11618648B2 | Safety monitoring device for monitoring safety-related states in a passenger conveyor system and method for operating same | Electricity | 1 | Active |
| US11639283B2 | Floor position detection device of an elevator installation and method for generating a floor signal | Performing Operations; Transporting | 1 | Active |
| US11230455B2 | Method for configuring security related configuration parameters in a passenger transport installation | Performing Operations; Transporting | 1 | Active |
| US11981535B2 | Vibration stabilizer for an information carrier | Performing Operations; Transporting | 0 | Active |
| US12275619B2 | Position-determining system and method for ascertaining a car position of an elevator car | Electricity | 0 | Active |
| US9546077B2 | Elevator door with a door contact switch | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.