Christian Stoller
110Patents
17h-index
83Co-inventors
89Inventor score
Filing activity: Aug 24, 1989 → Sep 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5699246A | Method to estimate a corrected response of a measurement apparatus relative to a set of known responses and observed measurements | Physics | 53 | Expired |
| US4937446A | Carbon/oxygen well logging method and apparatus | Physics | 50 | Expired |
| US7564948B2 | High voltage x-ray generator and related oil well formation analysis apparatus and method | Electricity | 39 | Active |
| US7073378B2 | Integrated logging tool for borehole | Physics | 31 | Expired |
| US5360975A | Method of gain regulation for downhole spectroscopy tools without using a calibration source | Physics | 31 | Expired |
| US6781115B2 | Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors | Physics | 28 | Expired |
| US7365307B2 | Sigma/porosity tools with neutron monitors | Physics | 28 | Expired |
| US5081351A | Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements | Physics | 27 | Expired |
| US5912460A | Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool | Physics | 25 | Expired |
| US7081616B2 | Downhole gamma-ray detection | Physics | 25 | Expired |
| US5105080A | Method and apparatus for determining the respective contributions of borehole and earth formation in gamma ray spectroscopy | Physics | 24 | Expired |
| US5884234A | Method for pulse shape regulation and discrimination in a nuclear spectroscopy system | Physics | 24 | Expired |
| US5369578A | Method and apparatus for using non-linear spectral fitting procedures on gamma-ray spectral data | Physics | 23 | Expired |
| US8173953B2 | Gain stabilization of gamma-ray scintillation detector | Physics | 19 | Active |
| US7633058B2 | Hermetically sealed packaging and neutron shielding for scintillation-type radiation detectors | Physics | 18 | Active |
| US7285772B2 | Logging tool with a parasitic radiation shield and method of logging with such a tool | Physics | 18 | Expired |
| US5841135A | Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool | Physics | 18 | Expired |
| US5055676A | Method for determining oil and water saturation in earth formation surrounding a borehole | Physics | 16 | Expired |
| US5045693A | Carbon/oxygen well logging method and apparatus | Physics | 16 | Expired |
| US5521378A | Method and apparatus for gamma ray logging of underground formations | Physics | 16 | Expired |
| US7991111B2 | High voltage x-ray generator and related oil well formation analysis apparatus and method | Electricity | 13 | Active |
| US7668293B2 | High voltage x-ray generator and related oil well formation analysis apparatus and method | Electricity | 13 | Active |
| US7334465B2 | Integrated logging tool for borehole | Physics | 12 | Expired |
| US7817781B2 | High voltage X-ray generator and related oil well formation analysis | Electricity | 12 | Active |
| US8093550B2 | Determining downhole fluid flow | Physics | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.