Richard D. Smith
89Patents
26h-index
69Co-inventors
91Inventor score
Filing activity: Sep 1, 1983 → Dec 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6107628A | Method and apparatus for directing ions and other charged particles generated at near atmospheric pressures into a region under vacuum | Electricity | 286 | Expired |
| US4582731A | Supercritical fluid molecular spray film deposition and powder formation | Performing Operations; Transporting | 214 | Expired |
| US6629040B1 | Isotope distribution encoded tags for protein identification | Physics | 210 | Expired |
| US4734227A | Method of making supercritical fluid molecular spray films, powder and fibers | Performing Operations; Transporting | 181 | Expired |
| US4734451A | Supercritical fluid molecular spray thin films and fine powders | Performing Operations; Transporting | 155 | Expired |
| US6583408B2 | Ionization source utilizing a jet disturber in combination with an ion funnel and method of operation | Electricity | 130 | Expired |
| US4842701A | Combined electrophoretic-separation and electrospray method and system | Emerging Cross-Sectional Technologies | 124 | Expired |
| US5073713A | Detection method for dissociation of multiple-charged ions | Electricity | 86 | Expired |
| US5423964A | Combined electrophoresis-electrospray interface and method | Physics | 71 | Expired |
| US5266205A | Supercritical fluid reverse micelle separation | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5993633A | Capillary electrophoresis electrospray ionization mass spectrometry interface | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5158704A | Supercritical fluid reverse micelle systems | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6803565B2 | Ionization source utilizing a multi-capillary inlet and method of operation | Electricity | 62 | Expired |
| US6979816B2 | Multi-source ion funnel | Electricity | 62 | Expired |
| US4933404A | Processes for microemulsion polymerization employing novel microemulsion systems | Emerging Cross-Sectional Technologies | 61 | Expired |
| US8835839B1 | Ion manipulation device | Electricity | 60 | Active |
| US5238671A | Chemical reactions in reverse micelle systems | Emerging Cross-Sectional Technologies | 59 | Expired |
| US7888635B2 | Ion funnel ion trap and process | Electricity | 55 | Active |
| USRE34757E | Combined electrophoresis-electrospray interface and method | General | 43 | Expired |
| US6787760B2 | Method for increasing the dynamic range of mass spectrometers | Electricity | 39 | Expired |
| US8969800B1 | Ion manipulation device to prevent loss of ions | Electricity | 38 | Active |
| US4995231A | Performance arcjet thruster | Performing Operations; Transporting | 30 | Expired |
| US9966244B2 | Ion manipulation device | Electricity | 29 | Active |
| US7541576B2 | Method of multiplexed analysis using ion mobility spectrometer | Physics | 29 | Active |
| US4687067A | Crossflow rotary cone rock bit with extended nozzles | Fixed Constructions | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.