David R. Walt
79Patents
43h-index
54Co-inventors
91Inventor score
Filing activity: Jun 25, 1986 → Apr 22, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6327410A | Target analyte sensors utilizing Microspheres | Emerging Cross-Sectional Technologies | 622 | Expired |
| US6859570B2 | Target analyte sensors utilizing microspheres | Emerging Cross-Sectional Technologies | 574 | Expired |
| US6266459A | Fiber optic sensor with encoded microspheres | Emerging Cross-Sectional Technologies | 464 | Expired |
| US6023540A | Fiber optic sensor with encoded microspheres | Emerging Cross-Sectional Technologies | 434 | Expired |
| US6620584B1 | Combinatorial decoding of random nucleic acid arrays | Chemistry; Metallurgy | 361 | Expired |
| US7115884B1 | Self-encoding fiber optic sensor | Physics | 332 | Expired |
| US5244636A | Imaging fiber optic array sensors, apparatus, and methods for concurrently detecting multiple analytes of interest in a fluid sample | Physics | 299 | Expired |
| US5814524A | Optical sensor apparatus for far-field viewing and making optical analytical measurements at remote locations | Emerging Cross-Sectional Technologies | 299 | Expired |
| US5244813A | Fiber optic sensor, apparatus, and methods for detecting an organic analyte in a fluid or vapor sample | Physics | 277 | Expired |
| US5320814A | Fiber optic array sensors, apparatus, and methods for concurrently visualizing and chemically detecting multiple analytes of interest in a fluid sample | Physics | 261 | Expired |
| US5298741A | Thin film fiber optic sensor array and apparatus for concurrent viewing and chemical sensing of a sample | Physics | 259 | Expired |
| US5512490A | Optical sensor, optical sensing apparatus, and methods for detecting an analyte of interest using spectral recognition patterns | Physics | 254 | Expired |
| US5633972A | Superresolution imaging fiber for subwavelength light energy generation and near-field optical microscopy | Physics | 252 | Expired |
| US5250264A | Method of making imaging fiber optic sensors to concurrently detect multiple analytes of interest in a fluid sample | Physics | 249 | Expired |
| US5252494A | Fiber optic sensors, apparatus, and detection methods using controlled release polymers and reagent formulations held within a polymeric reaction matrix | Emerging Cross-Sectional Technologies | 246 | Expired |
| US6377721B1 | Biosensor array comprising cell populations confined to microcavities | Emerging Cross-Sectional Technologies | 221 | Expired |
| US5143853A | Absorbance modulated fluorescence detection methods and sensors | Emerging Cross-Sectional Technologies | 220 | Expired |
| US4822746A | Radiative and non-radiative energy transfer and absorbance modulated fluorescence detection methods and sensors | Emerging Cross-Sectional Technologies | 217 | Expired |
| US5114864A | Fiber optic sensors, apparatus, and detection methods using fluid erodible controlled release polymers for delivery of reagent formulations | Emerging Cross-Sectional Technologies | 202 | Expired |
| US5254477A | Flourescence intramolecular energy transfer conjugate compositions and detection methods | Emerging Cross-Sectional Technologies | 197 | Expired |
| US6210910A | Optical fiber biosensor array comprising cell populations confined to microcavities | Emerging Cross-Sectional Technologies | 189 | Expired |
| US6200737A | Photodeposition method for fabricating a three-dimensional, patterned polymer microstructure | Physics | 185 | Expired |
| US7166431B2 | Combinatorial decoding of random nucleic acid arrays | Chemistry; Metallurgy | 150 | Expired |
| US7563576B2 | Combinatorial decoding of random nucleic acid arrays | Chemistry; Metallurgy | 147 | Active |
| US7622294B2 | Methods for detecting target analytes and enzymatic reactions | Emerging Cross-Sectional Technologies | 145 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.