Paul G. Alchas
48Patents
24h-index
35Co-inventors
85Inventor score
Filing activity: Jun 6, 1983 → Sep 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5334144A | Single use disposable needleless injector | Human Necessities | 404 | Expired |
| US6569123B2 | Prefillable intradermal injector | Human Necessities | 284 | Expired |
| US6569143B2 | Method of intradermally injecting substances | Human Necessities | 233 | Expired |
| US5030210A | Catheter valve assembly | Human Necessities | 180 | Expired |
| US5372945A | Device and method for collecting and processing fat tissue and procuring microvessel endothelial cells to produce endothelial cell product | Human Necessities | 162 | Expired |
| US6494865B1 | Intradermal delivery device including a needle assembly | Human Necessities | 150 | Expired |
| US5035708A | Endothelial cell procurement and deposition kit | Emerging Cross-Sectional Technologies | 141 | Expired |
| US6689118B2 | Method of intradermally injecting substances | Emerging Cross-Sectional Technologies | 120 | Expired |
| US4537593A | Self-venting, non-coring needle assembly | Human Necessities | 113 | Expired |
| US7083599B2 | Prefillable intradermal delivery device | Human Necessities | 94 | Expired |
| US6776776B2 | Prefillable intradermal delivery device | Human Necessities | 93 | Expired |
| US4737152A | Catheter assembly | Human Necessities | 86 | Expired |
| US4772273A | Variable-volume vented container | Human Necessities | 67 | Expired |
| US8262641B2 | Filling system and method for syringes with short needles | Human Necessities | 58 | Active |
| US5312380A | Endothelial cell procurement and deposition kit | Human Necessities | 47 | Expired |
| US7108679B2 | Intradermal syringe and needle assembly | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6730059B2 | Medical needle assemblies | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6843781B2 | Intradermal needle | Human Necessities | 36 | Expired |
| US7296566B2 | Nasal delivery device including spray nozzle | Human Necessities | 34 | Expired |
| US4952210A | Parenteral fluid administration set | Human Necessities | 33 | Expired |
| US5951526A | Syringe holder with integral dose divider | Human Necessities | 33 | Expired |
| US4998926A | Parenteral fluid administration set | Human Necessities | 30 | Expired |
| US5441539A | Endothelial cell deposition device | Human Necessities | 28 | Expired |
| US7455661B2 | Safety shield system for prefilled syringe | Human Necessities | 28 | Expired |
| US8066680B2 | Prefillable intradermal delivery device | Human Necessities | 24 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.