Dongnan Elevator Co., Ltd.
10Patents
10Active
10Granted
59Portfolio score
Filing activity: Aug 25, 2011 → Sep 25, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9272881B2 | Mining elevator | Performing Operations; Transporting | 3 | Active |
| US9156655B2 | Mining elevator traction cable connecting apparatus and measuring method therefor | Performing Operations; Transporting | 2 | Active |
| US9242836B2 | Apparatus and method for automatically adjusting the tension of a flexible guide rail | Fixed Constructions | 2 | Active |
| US10399822B2 | Hydraulic elevating platform having no guide rails and elevating method | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9688513B2 | Specific elevator anti-fall buffer based on flexible guidance | Performing Operations; Transporting | 1 | Active |
| US10513419B2 | Slope-adaptive inclined special elevator | Performing Operations; Transporting | 0 | Active |
| US9840399B2 | Mining elevator carrying platform and carrying method | Performing Operations; Transporting | 0 | Active |
| US11958719B2 | Action state detection method and system for elevator brake | Emerging Cross-Sectional Technologies | 0 | Active |
| US12129150B2 | Collaborative scheduling method for high-rise elevators based on internet of things | Emerging Cross-Sectional Technologies | 0 | Active |
| US9840396B2 | Fall prevention brake buffering system for high-speed mine lift | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.