Stefan Lambertz
15Patents
4h-index
17Co-inventors
57Inventor score
Filing activity: May 4, 2001 → Apr 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6746699B2 | Infusion bag with string | Performing Operations; Transporting | 13 | Expired |
| US7401450B2 | Infusion bags, especially for tea, and a method of closing an infusion bag with a string | Performing Operations; Transporting | 7 | Expired |
| US7264282B2 | Method and device for knotting the end of a thread to a flat object | Performing Operations; Transporting | 6 | Expired |
| US6675553B2 | Method and device for stacking and packing infusion bags | Performing Operations; Transporting | 4 | Expired |
| US6725628B2 | Process for the continuous production of beverage filter bags | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6505731B2 | Transport device for strand materials in continuous production of infusion bags for making tea | Performing Operations; Transporting | 2 | Expired |
| US11299304B2 | Device and method for transporting ready-cut and filled hose pieces | Performing Operations; Transporting | 2 | Active |
| US9932136B2 | Method for making pouches and a pouch as such | Performing Operations; Transporting | 1 | Active |
| US9902516B2 | Method for making pouches | Performing Operations; Transporting | 1 | Active |
| US11453520B2 | Device for manufacturing a pouch accommodated in a wrapping | Performing Operations; Transporting | 0 | Active |
| US11708184B2 | Device for manufacturing a pouch accommodated in a wrapping | Performing Operations; Transporting | 0 | Active |
| US11851223B2 | Method and device for the formation of stacks of packagings | Performing Operations; Transporting | 0 | Active |
| US12338018B2 | Device and method for transporting ready-cut and filled hose pieces | Performing Operations; Transporting | 0 | Active |
| US11685561B2 | Device and method for making a pouch provided with a wrapping and containing a brewable material | Performing Operations; Transporting | 0 | Active |
| US11999517B2 | Device and method for manufacturing a bag received in an envelope | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.