Ulf Handberg
8Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Jan 17, 1995 → Jul 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9452268B2 | Dual chamber syringe with retractable needle | Human Necessities | 17 | Active |
| US8556854B2 | Dual chamber syringe with retractable needle | Human Necessities | 14 | Active |
| US5572312A | Arrangement for calibration of at least one radiation-sensitive detector means | Electricity | 7 | Expired |
| US10525207B2 | Dual chamber syringe with retractable needle | Human Necessities | 4 | Active |
| US9550030B2 | Dual chamber syringe with retractable needle | Human Necessities | 4 | Active |
| US12290669B2 | Dual chamber syringe with retractable needle | Human Necessities | 0 | Active |
| US11426533B2 | Dual chamber syringe with retractable needle | Human Necessities | 0 | Active |
| US10549050B2 | Dual chamber syringe with retractable needle | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.