Bradley A. Roscoe
38Patents
15h-index
43Co-inventors
81Inventor score
Filing activity: Aug 24, 1989 → Mar 9, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4937446A | Carbon/oxygen well logging method and apparatus | Physics | 50 | Expired |
| US6125934A | Downhole tool and method for tracer injection | Fixed Constructions | 42 | Expired |
| US5539225A | Accelerator-based methods and apparatus for measurement-while-drilling | Physics | 37 | Expired |
| US5440118A | Methods and apparatus for determining formation lithology by gamma ray spectroscopy | Physics | 36 | Expired |
| US5097123A | Broad energy spectra neutron source for logging and method | Physics | 28 | Expired |
| US5081351A | Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements | Physics | 27 | Expired |
| US5369578A | Method and apparatus for using non-linear spectral fitting procedures on gamma-ray spectral data | Physics | 23 | Expired |
| US7148471B2 | Well logging apparatus and method for measuring formation properties | Physics | 21 | Expired |
| US5543617A | Method of measuring flow velocities using tracer techniques | Physics | 19 | Expired |
| USRE36012E | Accelerator-based methods and apparatus for measurement-while-drilling | General | 19 | Expired |
| US7633058B2 | Hermetically sealed packaging and neutron shielding for scintillation-type radiation detectors | Physics | 18 | Active |
| US5132540A | Dead time correction and regulation method and apparatus for nuclear spectroscopy | Physics | 17 | Expired |
| US5521378A | Method and apparatus for gamma ray logging of underground formations | Physics | 16 | Expired |
| US5045693A | Carbon/oxygen well logging method and apparatus | Physics | 16 | Expired |
| US5055676A | Method for determining oil and water saturation in earth formation surrounding a borehole | Physics | 16 | Expired |
| US7366615B2 | Methods and apparatus using both nuclear capture and inelastic spectroscopy in deriving elemental concentrations | Physics | 14 | Active |
| US5528495A | Cadmium zinc telluride borehole detector | Physics | 14 | Expired |
| US5086224A | Analysis of nuclear data for determining characteristics of earth formations traversed by a borehole | Physics | 9 | Expired |
| US8642944B2 | Downhole tools with solid-state neutron monitors | Physics | 7 | Active |
| US9599729B2 | Gamma-ray detectors for downhole applications | Physics | 6 | Active |
| US8536517B2 | Scintillator based radiation detection | Physics | 5 | Active |
| US8586913B2 | Fluidic density measurements based on beta particles detection | Physics | 5 | Active |
| US8431885B2 | Gamma-ray detectors for downhole applications | Physics | 5 | Active |
| US9939551B2 | Systems, devices and methods for borehole gravimetry | Physics | 4 | Active |
| US9217793B2 | Apparatus and method for detecting radiation | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.