G01N 27/87
Using probes
Official title: using probes
G01N27/87 (Using probes) appears on 78 US grants and 112 published applications in this corpus.
Search patents in G01N- Granted patents
- 78
- Published applications
- 112
- Assignees
- 78
- Inventors
- 243
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 4 |
| 2013 | 3 | 4 |
| 2014 | 4 | 1 |
| 2015 | 1 | 0 |
| 2016 | 3 | 1 |
| 2017 | 3 | 5 |
| 2018 | 3 | 13 |
| 2019 | 5 | 10 |
| 2020 | 7 | 10 |
| 2021 | 8 | 9 |
| 2022 | 10 | 9 |
| 2023 | 8 | 8 |
| 2024 | 6 | 7 |
| 2025 | 4 | 10 |
| 2026 | 5 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Detection device19 May 2026US 12,631,594 B2TDK Corporation
- System and method for automated acquisition and analysis of electromagnetic testing data5 May 2026US 12,618,803 B2National Bank of Canada
- Coiled tubing and casing inspection based on magnetic flux leakage measurements31 Mar 2026US 12,590,925 B2Schlumberger Technology Corporation
- Cushion for pipeline inspection device module10 Feb 2026US 12,546,747 B2Novitech Inc.
- Magnetizers for pigging tools having rotational elements13 Jan 2026US 12,523,633 B2Novitech Inc.
- Integrated magneto-optical imaging probe and parameter self-adjusting method thereof20 Aug 2026US 2026/0243729 A1China University of Petroleum (East China)
- Coiled tubing and casing inspection based on magnetic flux leakage measurements9 Jul 2026US 2026/0194491 A1Schlumberger Technology Corporation
- Gradient-augmented saturation magnetization internal inspection device for oil and gas pipelines and method therefor2 Jul 2026US 2026/0185963 A1China Special Equipment Inspection & Research Institute
- Magnetizer Cushion21 May 2026US 2026/0140088 A1Novitech Inc.
- Magnetizers for pigging tools having rotational elements7 May 2026US 2026/0126415 A1Novitech Inc.
Most cited
By later US patents
- ID-OD discrimination sensor concept for a magnetic flux leakage inspection tool49US 6,847,207 B1TDW Delaware, Inc. · 2005
- Rail inspection system15US 10,989,694 B2Hitachi High-Tech Fine Systems Corporation · 2021
- Defect discriminator for in-line inspection tool10US 7,859,256 B1Electromechanical Technologies, Inc. · 2010
- Pipeline inspection tool with oblique magnetizer9US 8,653,811 B2TDW Delaware, Inc. · 2014
- Method and apparatus for leakage flux testing7US 10,082,485 B2Institut Dr. Foerster GmbH & Co. KG · 2018