Robert Feldstein
45Patents
25h-index
22Co-inventors
85Inventor score
Filing activity: Nov 16, 1977 → Jun 6, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5352461A | Self assembling diketopiperazine drug delivery system | Human Necessities | 286 | Expired |
| US6071497A | Microparticles for lung delivery comprising diketopiperazine | Human Necessities | 206 | Expired |
| US7305986B1 | Unit dose capsules for use in a dry powder inhaler | Human Necessities | 118 | Expired |
| US6428771B1 | Method for drug delivery to the pulmonary system | Human Necessities | 114 | Expired |
| US6638413B1 | Methods and apparatus for electrolysis of water | Emerging Cross-Sectional Technologies | 86 | Expired |
| US6440463B1 | Methods for fine powder formation | Human Necessities | 83 | Expired |
| US7464706B2 | Unit dose cartridge and dry powder inhaler | Human Necessities | 80 | Expired |
| US5629601A | Compound battery charging system | Emerging Cross-Sectional Technologies | 77 | Expired |
| US5197490A | Information processing system for counting coughs or evaluating other activities of a patient | Human Necessities | 66 | Expired |
| US6991779B2 | Compositions for treatment or prevention of bioterrorism | Human Necessities | 56 | Expired |
| US8156936B2 | Unit dose capsules and dry powder inhaler | Human Necessities | 53 | Active |
| US8671937B2 | Unit dose capsules and dry powder inhaler | Human Necessities | 49 | Active |
| US6959599B2 | Level detector for storage tanks for fluids | Physics | 48 | Expired |
| US8215300B2 | Unit dose cartridge and dry powder inhaler | Human Necessities | 48 | Active |
| US8146588B2 | Unit dose capsules and dry powder inhaler | Human Necessities | 45 | Active |
| US7452449B2 | Apparatus for electrolysis of water | Emerging Cross-Sectional Technologies | 45 | Expired |
| US8394414B2 | Method for drug delivery to the pulmonary system | Human Necessities | 44 | Expired |
| US7278843B2 | Methods for fine powder formation | Human Necessities | 39 | Expired |
| US7794754B2 | Methods for fine powder formation | Human Necessities | 38 | Active |
| US5291116A | Apparatus for charging alkaline zinc-manganese dioxide cells | Electricity | 37 | Expired |
| US5523668A | NiCd/NiMH battery charger | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4908749A | System for controlling access to computer bus having address phase and data phase by prolonging the generation of request signal | Physics | 29 | Expired |
| US5523667A | Alkaline battery charger and method of operating same | Electricity | 27 | Expired |
| US5646504A | Magnetically balanced multi-output battery charging system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5585209A | Bipolar lead/acid batteries | Emerging Cross-Sectional Technologies | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.