David James Squirrell
39Patents
12h-index
31Co-inventors
81Inventor score
Filing activity: Feb 23, 1994 → Aug 26, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5648232A | Microbiological best method and reagents | Chemistry; Metallurgy | 38 | Expired |
| US8372353B2 | Sample processor | Physics | 33 | Active |
| US5750337A | Methods for detecting nucleic acid sequences using evanescent wave detection | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6265177A | Enzyme assay for mutant firefly luciferase | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6132983A | Luciferases | Chemistry; Metallurgy | 31 | Expired |
| US8986927B2 | Reaction system for performing in the amplification of nucleic acids | Performing Operations; Transporting | 29 | Active |
| US5837465A | Luciferase labelling method | Physics | 28 | Expired |
| US6171808A | Mutant luciferases | Chemistry; Metallurgy | 26 | Expired |
| US6861230B1 | Antibiotic sensitivity testing | Chemistry; Metallurgy | 20 | Expired |
| US7906298B1 | Thermostable Photinus pyralis luciferase mutant | Chemistry; Metallurgy | 18 | Expired |
| US7264950B1 | Reaction system for performing in the amplification of nucleic acids | Performing Operations; Transporting | 16 | Expired |
| US5918259A | Cellular material detection apparatus and method | Chemistry; Metallurgy | 16 | Expired |
| US6753188B2 | Surface plasmon resonance | Physics | 12 | Expired |
| US6851459B2 | Air samplers | Physics | 11 | Expired |
| US5773710A | Cellular material detection apparatus and method | Chemistry; Metallurgy | 10 | Expired |
| US5798214A | Capture asays | Chemistry; Metallurgy | 9 | Expired |
| US9550600B2 | Vessel and process for production thereof | Performing Operations; Transporting | 7 | Active |
| US7659096B2 | Reaction system for performing in the amplification of nucleic acids | Performing Operations; Transporting | 7 | Active |
| US8669087B1 | Luciferase mutant | Physics | 5 | Expired |
| US7638097B2 | Reagent delivery system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8652794B2 | Mutant luciferase | Chemistry; Metallurgy | 4 | Active |
| US7648830B2 | Method for determining the presence of bacteria resistant to cell lysing antibiotics | Chemistry; Metallurgy | 3 | Expired |
| US6949351B1 | Cell assay, method and reagents | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7252975B2 | Analytical method and kit | Chemistry; Metallurgy | 2 | Expired |
| US7652266B2 | Fluorescence-based detection methods and apparatus | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.