Marc Schaeffer
16Patents
5h-index
20Co-inventors
62Inventor score
Filing activity: Apr 29, 2002 → Sep 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9856897B2 | Expansion anchor | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US6676346B1 | Metal fastening element | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US8662805B2 | Torque-limited attachment device | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9765804B2 | Expansion anchor | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9316248B2 | Load-indicating washer | Mechanical Engineering; Lighting; Heating | 5 | Active |
| USD804940S1 | Helical sleeve of an anchor | General | 4 | Active |
| US9133871B2 | Expansion plug | Emerging Cross-Sectional Technologies | 4 | Active |
| US11499307B2 | Systems and methods for a cast-in anchor | Fixed Constructions | 3 | Active |
| US10781842B2 | Expansion anchor | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10202999B2 | Method for fixing an expansion anchor to a substrate, in which a curable mass is introduced in the annular space around the expansion anchor | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9810254B2 | Expansion bolt | Emerging Cross-Sectional Technologies | 1 | Active |
| US11261894B2 | Anchor having a wave-shaped sleeve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11976681B2 | Screw nut with barcode pattern segments | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9417169B2 | Sensor arrangement, for example, on an anchor bolt | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7850409B2 | Fastening element | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12012985B2 | Expansion anchor | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.