David Krampl
15Patents
4h-index
18Co-inventors
57Inventor score
Filing activity: Oct 6, 1995 → Feb 18, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6374981B1 | Support construction for long escalators and moving walkways | Performing Operations; Transporting | 15 | Expired |
| US5697486A | Device for the guidance of an endless belt for escalators or moving walkways | Performing Operations; Transporting | 11 | Expired |
| US6814215B2 | Support construction | Performing Operations; Transporting | 9 | Expired |
| US6527098B2 | Escalator or moving walkway with support structure | Performing Operations; Transporting | 6 | Expired |
| US8919527B2 | Conveying equipment for persons | Performing Operations; Transporting | 3 | Active |
| US6955254B2 | Escalator or moving walkway | Performing Operations; Transporting | 3 | Expired |
| US8555479B2 | Method for clinching thick metal workpieces, use of a clinching tool, and steel structural element produced accordingly | Emerging Cross-Sectional Technologies | 3 | Active |
| US9834416B2 | Support for supporting a person conveying device on a structure | Performing Operations; Transporting | 3 | Active |
| US10150650B2 | Method for installing a support structure for a passenger transport system in a construction | Performing Operations; Transporting | 2 | Active |
| US7426989B2 | Escalator or moving walk with ropelike tiedown | Performing Operations; Transporting | 2 | Expired |
| US6685001B2 | Escalator or moving walkway with overhead support | Performing Operations; Transporting | 1 | Expired |
| US10479652B2 | Lateral damping and intermediate support for escalators and moving walks in seismic events | Performing Operations; Transporting | 1 | Active |
| US9481551B2 | Escalator or moving walkway with a transparent balustrade | Emerging Cross-Sectional Technologies | 0 | Active |
| US6834753B2 | Escalator or moving walkway | Performing Operations; Transporting | 0 | Expired |
| US11913215B2 | Truss section connection region | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.