Probe Technology Services, Inc.
16Patents
12Active
16Granted
44Portfolio score
Filing activity: Feb 19, 2002 → Aug 3, 2022 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6850462B2 | Memory cement bond logging apparatus and method | Physics | 45 | Expired |
| US7802619B2 | Firing trigger apparatus and method for downhole tools | Fixed Constructions | 15 | Active |
| US7414918B2 | Method for normalizing signals in a cement bond logging tool | Physics | 10 | Expired |
| US7372777B2 | Sonic instrumentation apparatus and method for cement bond logging | Fixed Constructions | 8 | Expired |
| US8270248B2 | Method for initializing receiver channels in a cement bond logging tool | Physics | 8 | Active |
| US7411864B2 | Method for processing signals in a cement bong logging tool | Physics | 6 | Expired |
| US7911876B2 | Method for initializing receiver channels in a cement bond logging tool | Physics | 5 | Active |
| US10260854B2 | Pulsed eddy current casing inspection tool | Physics | 4 | Active |
| US11091999B2 | Methods and apparatus for cement bond evaluation through production tubing | Physics | 1 | Active |
| US11078776B2 | Caliper-arm retention system | Fixed Constructions | 1 | Active |
| US10087738B2 | Electromagnetic casing inspection tool with azimuthal sensitivity | Physics | 1 | Active |
| US11021950B2 | Production-logging sensor | Physics | 0 | Active |
| US11746643B2 | Methods and apparatus for cement bond evaluation through production tubing | Physics | 0 | Active |
| US10087740B2 | Caliper tool with constant current drive | Physics | 0 | Active |
| US12276183B2 | Perforating-gun initiator circuit | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11561113B2 | Core-position sensor | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.