Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
93 patents granted to the 6 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Core Laboratories Inc.’s names, not what it holds today.
Patents granted
93
93 utility, 1976 to Dec 31, 2025
Granted in 2025
2
Against 1 in 2024 and 1 in 2023
Applications published
82
1 of them in 2025
Names they are printed under
6
a subsidiary, its own name, its holding company
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Civil engineering5
Measurement3
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name6 counted
Owen Oil Tools LP a subsidiary
US, as the owner printed on each patent
55 publishedCore Laboratories LP its own name
US, as the owner printed on each patent
19 publishedCore Laboratories LP its own name
named as the applicant on its applications, in US
7 publishedCore Laboratories LP, a Delaware Limited Partnership its own name
US, as the owner printed on each patent
0 publishedCore Laboratories, I.P., Inc. its holding company
US, as the owner printed on each patent; a holding company under the name Core Laboratories Inc. /DE/
0 publishedOWEN OIL TOOLS LP a subsidiary
named as the applicant on its applications, in US
1 publishedNames not counted (1)
Core Laboratories Inc. /DE/
Most of its patents print NL; this name counts in US. 1 granted and 0 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Jun 17, 2025 | 12,332,193 | Pulsed neutron apparatus and method for using same to analyze core samples | Measurement | Core Laboratories LP |
| Jun 10, 2025 | 12,326,070 | Apparatus and related methods for the cement breakup during abandonment operations | Civil engineering | Owen Oil Tools LP |
| Jan 30, 2024 | 11,885,216 | Perforating and tracer injection system for oilfield applications | Civil engineering | Core Laboratories LP |
| Sep 19, 2023 | 11,760,925 | Oligonucleotide-containing tracer particles for subterranean applications | Measurement | Core Laboratories LP |
| Nov 2, 2021 | 11,162,335 | Safe firing head for deviated wellbores | Civil engineering | Owen Oil Tools LP |
| Jun 29, 2021 | 11,047,195 | Perforating gun | Civil engineering | Owen Oil Tools LP |
| Mar 2, 2021 | 10,934,815 | Signal transfer system for activating downhole tools and related methods | Civil engineering | Owen Oil Tools LP |
| Feb 2, 2021 | 10,908,101 | System and method for analyzing subsurface core samples | Measurement | Core Laboratories LP |
| Aug 25, 2020 | 10,753,184 | Differential pressure firing heads for wellbore tools and related methods | Civil engineering | Owen Oil Tools LP |
| Aug 4, 2020 | 10,731,430 | Perforating gun | Civil engineering | Owen Oil Tools LP |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Nov 6, 2025 | 2025/0341152 | NOVEL PERFORATING TOOL WITH DYNAMIC UNDERBALANCE MITIGATION AND RELATED METHODS | Civil engineering | Owen Oil Tools LP |
| Sep 12, 2024 | 2024/0302344 | NOVEL METHODS AND RELATED SYSTEMS TO ESTIMATE WATER CONTENT OF SUBTERRANEAN CORE SAMPLES | Measurement | Core Laboratories LP |
| May 23, 2024 | 2024/0167367 | APPARATUS AND RELATED METHODS FOR THE CEMENT BREAKUP DURING ABANDONMENT OPERATIONS | Civil engineering | Owen Oil Tools LP · patent 12,326,070 granted from it |
| Jan 4, 2024 | 2024/0003231 | Shock Resistant Perforating Tool for Multizone Completions | Civil engineering | Owen Oil Tools LP |
| Nov 16, 2023 | 2023/0365855 | OLIGONUCLEOTIDE-CONTAINING TRACER PARTICLES FOR SUBTERRANEAN APPLICATIONS | Basic materials chemistry | Core Laboratories LP |
| Sep 7, 2023 | 2023/0279287 | OLIGONUCLEOTIDE-CONTAINING TRACER PARTICLES FOR SUBTERRANEAN APPLICATIONS | Measurement | Core Laboratories LP · patent 11,760,925 granted from it |
| Jun 8, 2023 | 2023/0175326 | ALIGNMENT ASSEMBLY FOR DOWNHOLE TOOLS AND RELATED METHODS | Civil engineering | Owen Oil Tools LP |
| Nov 3, 2022 | 2022/0349846 | PULSED NEUTRON APPARATUS AND METHOD FOR USING SAME TO ANALYZE CORE SAMPLES | Measurement | Core Laboratories LP · patent 12,332,193 granted from it |
| Jul 28, 2022 | 2022/0235634 | PERFORATING GUN WITH DETONATION MODULE | Other special machines | Owen Oil Tools LP |
| Feb 24, 2022 | 2022/0056789 | PERFORATING GUN WITH SWITCH CARTRIDGE | Civil engineering | Owen Oil Tools LP |
What it applied for, 2024 to 2025: Civil engineering 3 · Measurement 1.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.