David W. Smith
91Patents
20h-index
101Co-inventors
91Inventor score
Filing activity: Jun 13, 1979 → Jun 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7730711B2 | Methods and apparatus for a combustion turbine nitrogen purge system | Mechanical Engineering; Lighting; Heating | 159 | Active |
| US7721521B2 | Methods and apparatus for a combustion turbine fuel recirculation system and nitrogen purge system | Mechanical Engineering; Lighting; Heating | 159 | Active |
| US4590196A | Analgesic 1,2-benzisothiazol-3-ylpiperazine derivatives | Chemistry; Metallurgy | 95 | Expired |
| USD662203S1 | Nasal dilator | General | 93 | Active |
| US7607385B2 | Machine for the preparation of beverages | Performing Operations; Transporting | 91 | Expired |
| US5703129A | 5-amino-6-cyclohexyl-4-hydroxy-hexanamide derivatives as inhibitors of .beta.-amyloid protein production | Chemistry; Metallurgy | 83 | Expired |
| US5768378A | Key distribution in a multiple access network using quantum cryptography | Physics | 75 | Expired |
| US7246714B2 | Single point hinge for a container | Emerging Cross-Sectional Technologies | 70 | Expired |
| USD536992S1 | Hinged plastic container | General | 65 | Expired |
| US7243598B2 | Cartridge for the preparation of beverages | Performing Operations; Transporting | 56 | Expired |
| US8834514B2 | Resilient band medical device | Emerging Cross-Sectional Technologies | 44 | Active |
| US4259837A | Water and steam injection system for emission control of gas turbines | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4952010A | Optical space switch | Physics | 39 | Expired |
| US8267089B2 | Cushion inside a cushion patient interface | Human Necessities | 34 | Active |
| US5031236A | Polarization insensitive optical signal reception | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7685677B2 | Single point hinge for a container | Emerging Cross-Sectional Technologies | 32 | Active |
| US6379585B1 | Preparation of sulphides and selenides | Chemistry; Metallurgy | 29 | Expired |
| US5153933A | Apparatus for generating a comb of optical teeth of different wavelengths | Electricity | 24 | Expired |
| US4954502A | 1-indolyalkyl-4-(substituted-pyridinyl)piperazines | Electricity | 23 | Expired |
| US5287904A | Hail inhibiting blanket | Performing Operations; Transporting | 22 | Expired |
| US4817207A | Optical communication system utilizing phase modulation | Electricity | 20 | Expired |
| US7884492B2 | Methods and systems for wind turbine generators | Emerging Cross-Sectional Technologies | 19 | Active |
| US9278787B2 | Single point hinge for a container | Emerging Cross-Sectional Technologies | 18 | Active |
| US4959826A | Spread spectrum optical communication system with heterodyne detection | Electricity | 18 | Expired |
| US5144465A | Switched optical network | Electricity | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.