Paul Friedli
73Patents
19h-index
29Co-inventors
84Inventor score
Filing activity: Oct 13, 1981 → Mar 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5689094A | Elevator installation | Performing Operations; Transporting | 131 | Expired |
| US6223160A | Apparatus and method for acoustic command input to an elevator installation | Performing Operations; Transporting | 103 | Expired |
| US6801792B1 | Method for communication with a transportation system | Performing Operations; Transporting | 99 | Expired |
| US5932853A | Identification system for a lift installation | Performing Operations; Transporting | 84 | Expired |
| US6011839A | Control device for a lift | Performing Operations; Transporting | 82 | Expired |
| US6382363B1 | Method for preselecting a destination floor in an elevator installation | Performing Operations; Transporting | 61 | Expired |
| US6868945B2 | Method for controlling an elevator utilizing a mobile telephone | Performing Operations; Transporting | 57 | Expired |
| US7182174B2 | Method and system for emergency evacuation of building occupants and a method for modernization of an existing building with said system | Performing Operations; Transporting | 49 | Expired |
| US7021428B2 | Elevator floor call panel having dual operating modes | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6065570A | Control system for a plurality of groups of lifts with destination call control system | Performing Operations; Transporting | 32 | Expired |
| US4991694A | Group control for elevators with immediate allocation of destination calls | Performing Operations; Transporting | 27 | Expired |
| US8857569B2 | Elevator access control system | Performing Operations; Transporting | 26 | Active |
| US7936249B2 | System for security control and/or transportation of persons with an elevator installation, method of operating this system, and method of retrofitting an elevator installation with this system | Performing Operations; Transporting | 25 | Expired |
| US6772862B2 | Transportation system operation using identification codes | Performing Operations; Transporting | 24 | Expired |
| US6892861B2 | Destination call control for modernizing elevator installation | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5305198A | Method and apparatus for the immediate allocation of target calls in elevator groups based upon operating costs and variable bonus and penalty point factors | Performing Operations; Transporting | 23 | Expired |
| US6315083A | Transportation system control with user input of travel destination designations | Performing Operations; Transporting | 22 | Expired |
| US8210321B2 | System and method for determining a destination story based on movement direction of a person on an access story | Performing Operations; Transporting | 21 | Active |
| US8744754B2 | User guidance with mobile electronic devices | Performing Operations; Transporting | 20 | Active |
| USD781736S1 | Operating panel | General | 19 | Active |
| US6394231B1 | Method of communication of travel destination information between user and a plural vehicle transport system | Performing Operations; Transporting | 19 | Expired |
| US6935465B2 | Method for modernization of an elevator installation | Performing Operations; Transporting | 17 | Expired |
| US7620817B2 | System for security checking or transport of persons by an elevator installation and a method for operating this system | Performing Operations; Transporting | 17 | Expired |
| US4913603A | Spiral drill | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4484264A | Multiprocessor system | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.