Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
107 patents granted to the 8 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 Valaris Limited’s names, not what it holds today.
Patents granted
107
107 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against 4 in 2024 and 7 in 2023
Applications published
98
1 of them in 2025
Names they are printed under
8
a former name, a subsidiary
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 engineering8
Transport7
Telecommunications3
Measurement2
Computer technology2
Digital communication1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name8 counted
ENSCO, INC. a former name
US, as the owner printed on each patent
23 publishedEnsco International Incorporated a former name
US, as the owner printed on each patent
2 publishedEnsco International Incorporated a former name
named as the applicant on its applications, in US. 1 more under the same name are not counted (printed in DE)
29 publishedENSCO, Inc. a former name
named as the applicant on its applications, in US
26 publishedRowan Companies, Inc. a subsidiary
named as the applicant on its applications, in US. 2 more under the same name are not counted (printed in KR)
11 publishedEnsco Services Limited a subsidiary
GB, as the owner printed on each patent
0 publishedEnsco Services Limited a subsidiary
named as the applicant on its applications, in GB
5 publishedROWAN DEEPWATER DRILLING (GIBRALTAR) LTD. a subsidiary
named as the applicant on its applications, in GI
2 publishedNames not counted (3)
Ensco plc
Most of its patents print GB; this name counts in BM, US. 2 granted and 0 published under it are not counted.
Rowan Deepwater Drilling (Gibraltar) Limited
Most of its patents print US; this name counts in GI. 1 granted and 1 published under it are not counted.
Pride International LLC
Most of its patents print CA; this name counts in US. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 10, 2024 | 12,162,522 | Broken wheel detection on railroad trains | Transport | ENSCO, INC. |
| Mar 26, 2024 | 11,938,982 | Systems and methods for inspecting a railroad | Computer technology | ENSCO, INC. |
| Feb 27, 2024 | 11,912,320 | Systems and methods for visualizing and analyzing a rail surface | Transport | ENSCO, INC. |
| Jan 16, 2024 | 11,873,016 | Broken wheel detection on railroad trains | Transport | ENSCO, INC. |
| Oct 31, 2023 | 11,805,282 | Television with interactive portal and system and method for use of same | Digital communication | ENSCO, INC. |
| Oct 31, 2023 | 11,804,871 | Systems and methods for synchronizing time, frequency, and phase among a plurality of devices | Telecommunications | ENSCO, INC. |
| Oct 17, 2023 | 11,787,452 | Systems and methods for analyzing a rail | Transport | ENSCO, INC. |
| Oct 3, 2023 | 11,777,207 | Virtual phased-array for coherent, distributed, and dynamic applications | Telecommunications | ENSCO, INC. |
| May 23, 2023 | 11,656,316 | Position and orientation tracking system, apparatus and method | Measurement | ENSCO, INC. |
| Feb 28, 2023 | 11,590,992 | Systems and methods for analyzing a rail | Transport | ENSCO, INC. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Jan 9, 2025 | 2025/0012594 | PERSONNEL LOCATION MONITORING | Measurement | Rowan Companies, Inc. |
| Jul 25, 2024 | 2024/0246581 | BROKEN WHEEL DETECTION ON RAILROAD TRAINS | Transport | ENSCO, Inc. · patent 12,162,522 granted from it |
| Aug 31, 2023 | 2023/0274112 | PERSONNEL LOCATION MONITORING | Measurement | Rowan Companies, Inc. · patent 12,038,302 granted from it |
| Jun 8, 2023 | 2023/0174122 | SYSTEMS AND METHODS FOR ANALYZING A RAIL | Transport | ENSCO, Inc. · patent 11,787,452 granted from it |
| Mar 9, 2023 | 2023/0071611 | SYSTEMS AND METHODS FOR INSPECTING A RAILROAD | Computer technology | ENSCO, Inc. · patent 11,938,982 granted from it |
| Jan 12, 2023 | 2023/0010006 | POSITION AND ORIENTATION TRACKING SYSTEM, APPARATUS AND METHOD | Measurement | ENSCO, Inc. · patent 11,656,316 granted from it |
| Oct 6, 2022 | 2022/0315974 | INDOOR BIOLOGICAL DETECTION SYSTEM AND METHOD | Measurement | ENSCO, Inc. |
| Sep 15, 2022 | 2022/0294488 | SYSTEMS AND METHODS FOR SYNCHRONIZING TIME, FREQUENCY, AND PHASE AMONG A PLURALITY OF DEVICES | Telecommunications | ENSCO, Inc. · patent 11,804,871 granted from it |
| Aug 18, 2022 | 2022/0258779 | SYSTEMS AND METHODS FOR ANALYZING THERMAL PROPERTIES OF A RAILROAD | Measurement | ENSCO, Inc. |
| Dec 16, 2021 | 2021/0391037 | SYSTEM AND METHOD FOR MOLECULAR DYNAMICS ANALYSIS | Computer technology | ENSCO, Inc. |
What it applied for, 2024 to 2025: Transport 1 · 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.