David C. Ulstad
6Patents
4h-index
8Co-inventors
46Inventor score
Filing activity: Mar 3, 1997 → Nov 18, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5983607A | Heat sealer and method for using same | Performing Operations; Transporting | 24 | Expired |
| US6286705A | Container having tapered sidewall made from sheet material and lid to seal same | Performing Operations; Transporting | 19 | Expired |
| USD724440S1 | Pouch | General | 8 | Active |
| US6070507A | Method for punching a sealed package from first and second webs | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6091054A | Heater plate and method for using same | Performing Operations; Transporting | 3 | Expired |
| US9606018B2 | Device for detecting leaks in packages | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.