Patrick Alexandre
34Patents
12h-index
34Co-inventors
81Inventor score
Filing activity: Oct 25, 1996 → Jun 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6964650B2 | Needleless Safety Syringe of Compact Architecture | Human Necessities | 108 | Expired |
| US6913593B1 | Needleless syringe which functions with the active agent being driven by a shocktube effect | Human Necessities | 35 | Expired |
| US7261702B1 | Needleless syringe operating with an impact wave generator through a wall | Human Necessities | 24 | Expired |
| US6778694B1 | Method for examining doubtful zones on the surface of an unwinding strip by image segmentation | Physics | 22 | Expired |
| US6623446B1 | Needleless syringe comprising an injector with stacked elements | Human Necessities | 21 | Expired |
| US6979310B2 | Needleless syringe with membrane isolating a multiple duct injector | Human Necessities | 18 | Expired |
| US5739724A | Control of oscillator for driving power ultrasonic actuators | Performing Operations; Transporting | 18 | Expired |
| US6942645B2 | Needleless syringe with two injection speed levels | Human Necessities | 17 | Expired |
| US7056300B2 | Needleless syringe for injecting a liquid contained in a prefilled ampule | Human Necessities | 15 | Expired |
| US6835187B2 | Needleless syringe provided with an inner seal containing the active principle | Human Necessities | 15 | Expired |
| US6837866B1 | Needleless syringe provided with an ejection tube with a constant cross-section | Human Necessities | 15 | Expired |
| US6758829B2 | Needleless syringe functioning with a double-composition pyrotechnic charge | Human Necessities | 13 | Expired |
| US8784371B2 | Needleless injection device equipped with a protected reservoir | Human Necessities | 12 | Active |
| US6610028B1 | Needless syringe provided with a piezoelectric triggering system | Human Necessities | 12 | Expired |
| US6666843B1 | Needleless syringe with temporarily retained thrusting means | Human Necessities | 12 | Expired |
| US6537245B1 | Needleless syringe with a friction activated pyrotechnic initiator | Human Necessities | 11 | Expired |
| US6981961B1 | Needleless syringe comprising an injector with nested elements | Human Necessities | 8 | Expired |
| US6911015B2 | Needleless syringe functioning by shock-tube effect, with prior lateral retention of the active principle | Human Necessities | 8 | Expired |
| US7156822B2 | Needleless syringe with membrane isolating a multiple duct injector | Human Necessities | 7 | Expired |
| US7455655B2 | Needleless injection device comprising means for regulating the gas pressure level in the combustion chamber | Human Necessities | 7 | Expired |
| US6697516B1 | Method for inspecting the surface of a moving strip by prior classification of the detected surface irregularity | Physics | 6 | Expired |
| US7559917B2 | Needleless syringe functioning by compression of the reservoir containing the liquid active principle | Human Necessities | 4 | Expired |
| US7513885B2 | Needleless syringe with membrane isolating a multiple duct injector | Human Necessities | 4 | Expired |
| US7357780B2 | Needleless syringe functioning with a double-composition pyrotechnic charge | Human Necessities | 3 | Expired |
| US8070714B2 | Needleless syringe provided with modular reservoir | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.