Daniel E. Siegfried
13Patents
5h-index
17Co-inventors
55Inventor score
Filing activity: Feb 7, 2002 → May 10, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6758837B2 | Liquid delivery device and method of use thereof | Human Necessities | 84 | Expired |
| US6919690B2 | Modular uniform gas distribution system in an ion source | Electricity | 11 | Expired |
| US7716021B2 | Grid transparency and grid hole pattern control for ion beam uniformity | Electricity | 7 | Active |
| US7342236B2 | Fluid-cooled ion source | Electricity | 6 | Expired |
| US7476869B2 | Gas distributor for ion source | Electricity | 5 | Active |
| US7070071B2 | Dispensing apparatus and method for liquid products, particularly medicinal products | Human Necessities | 5 | Expired |
| US7439521B2 | Ion source with removable anode assembly | Electricity | 4 | Active |
| US7425711B2 | Thermal control plate for ion source | Electricity | 4 | Active |
| US7566883B2 | Thermal transfer sheet for ion source | Electricity | 3 | Active |
| US8374830B2 | Grid transparency and grid hole pattern control for ion beam uniformity | Electricity | 3 | Active |
| US6984942B2 | Longitudinal cathode expansion in an ion source | Electricity | 3 | Expired |
| US7718983B2 | Sputtered contamination shielding for an ion source | Electricity | 2 | Active |
| US7425709B2 | Modular ion source | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.