Erwin Stoetzer
16Patents
6h-index
5Co-inventors
55Inventor score
Filing activity: Nov 13, 1997 → Jun 8, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8046959B2 | Construction apparatus with pivotable mast | Fixed Constructions | 13 | Active |
| US7559583B2 | Tube coupling for tube elements | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US7367143B2 | Cutter and method for working the soil | Fixed Constructions | 11 | Expired |
| US7363733B2 | Device and method for making a trench wall in the soil | Fixed Constructions | 11 | Expired |
| US5924222A | Trench wall cutter | Fixed Constructions | 8 | Expired |
| US7578080B2 | Cutting tooth for a ground working implement | Fixed Constructions | 7 | Active |
| US8348555B2 | Formwork element for bounding a trench wall section, formwork part and method for producing a trench wall in the ground | Fixed Constructions | 6 | Active |
| US8322458B2 | Drilling rig and drilling method | Fixed Constructions | 5 | Active |
| US7571781B2 | Auger bit | Fixed Constructions | 5 | Active |
| US8397833B2 | Construction apparatus with extendable mast and method for operating such a construction apparatus | Fixed Constructions | 3 | Active |
| US7559161B2 | Soil working method and apparatus | Fixed Constructions | 3 | Expired |
| US7713002B2 | Drilling device and method for producing a drilling column in the soil | Fixed Constructions | 2 | Active |
| US7677839B2 | Drilling implement and method for installing a drilling pillar in the ground | Fixed Constructions | 2 | Active |
| US7707752B2 | Trench wall in the ground and method for the production thereof | Fixed Constructions | 1 | Expired |
| US7559377B2 | Construction apparatus | Fixed Constructions | 1 | Expired |
| US7234538B2 | Method for sinking a borehole in the ground and wet boring tool | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.