NOV Inc. (NOV)
NYSE: NOV · Oil & Gas Field Machinery & Equipment · Houston, TX · filing with the SEC since 1996
Grade5.2
◀ Past 6.4● Present 4.5▶ Future 4.7
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20261,169 patents granted to the 56 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 NOV Inc.’s names, not what it holds today.
Patents granted
1,169
1,156 utility, 9 design, 4 reissue, 1976 to Dec 31, 2025
Granted in 2025
44
Against 48 in 2024 and 53 in 2023
Applications published
974
41 of them in 2025
Names they are printed under
56
a former name, a subsidiary
By yearGrantedApplications published
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 engineering115
Mechanical elements26
Machine tools22
Handling19
Transport15
Engines, pumps, turbines13
Chemical engineering13
Measurement4
Surface technology, coating3
Materials, metallurgy2
Electrical machinery, apparatus, energy2
Computer technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name56 counted
National Oilwell Varco, L.P. a former name
US, as the owner printed on each patent
425 published
National Oilwell Varco, L.P. a former name
named as the applicant on its applications, in US
167 published
INTELLISERV, LLC a subsidiary
US, as the owner printed on each patent
43 published
National Oilwell Varco Norway AS a subsidiary
NO, as the owner printed on each patent
53 published
National-Oilwell, L.P. a former name
US, as the owner printed on each patent
33 published
National Oilwell Varco Denmark I/S a subsidiary
DK, as the owner printed on each patent
24 published
GRANT PRIDECO, L.P. a subsidiary
US, as the owner printed on each patent
14 published
AMERON INTERNATIONAL CORPORATION a subsidiary
US, as the owner printed on each patent
6 published
NOV Downhole Eurasia Limited a subsidiary
GB, as the owner printed on each patent
22 published
GRANT PRIDECO, INC. a subsidiary
US, as the owner printed on each patent
5 published
Keystone Tower Systems, Inc. a subsidiary
US, as the owner printed on each patent
2 published
National Oilwell Varco Denmark I/S a subsidiary
named as the applicant on its applications, in DK
32 published
Keystone Tower Systems, Inc. a subsidiary
named as the applicant on its applications, in US
29 published
National Oilwell, Inc. a former name
US, as the owner printed on each patent
2 published
NATIONAL OILWELL VARCO UK LIMITED a subsidiary
GB, as the owner printed on each patent. 1 more under the same name are not counted (printed in CA)
7 published
MOYNO, INC. a subsidiary
US, as the owner printed on each patent
8 published
National Oilwell Varco Norway AS a subsidiary
named as the applicant on its applications, in NO
22 published
Chemineer, Inc. a subsidiary
US, as the owner printed on each patent
1 published
Robbins & Myers, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Grant Prideco, Inc. a subsidiary
named as the applicant on its applications, in US
14 published
GustoMSC B.V. a subsidiary
NL, as the owner printed on each patent
0 published
Reedhycalog UK Limited a subsidiary
GB, as the owner printed on each patent
2 published
APL NORWAY AS a subsidiary
NO, as the owner printed on each patent
0 published
Fiberglass Systems, Inc. a subsidiary
US, as the owner printed on each patent
2 published
GustoMSC B.V. a subsidiary
named as the applicant on its applications, in NL
9 published
Hydralift AmClyde, Inc. a subsidiary
US, as the owner printed on each patent
2 published
NOV CANADA ULC a subsidiary
CA, as the owner printed on each patent
0 published
Reedhycalog, L.P. a subsidiary
US, as the owner printed on each patent
3 published
Environmental Procedures, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Intelliserv International Holding, Ltd. a subsidiary
KY, as the owner printed on each patent
2 published
NATIONAL OILWELL VARCO UK LIMITED a subsidiary
named as the applicant on its applications, in GB. 1 more under the same name are not counted (printed in CA)
7 published
NOV Downhole Eurasia Limited a subsidiary
named as the applicant on its applications, in GB
7 published
VOESTALPINE TUBULARS GMBH & CO KG a subsidiary
AT, as the owner printed on each patent
3 published
NOV-BLM a subsidiary
FR, as the owner printed on each patent
1 published
NOV-BLM a subsidiary
named as the applicant on its applications, in FR
5 published
National Oilwell (U.K.) Limited a subsidiary
GB, as the owner printed on each patent
0 published
APL Norway AS a subsidiary
named as the applicant on its applications, in NO
4 published
FORTRESS DOWNHOLE TOOLS, L.L.C. a subsidiary
US, as the owner printed on each patent
0 published
Tuboscope Vetco (France) SAS a subsidiary
FR, as the owner printed on each patent
0 published
Fiber Glass Systems, L.P. a subsidiary
named as the applicant on its applications, in US
3 published
Fortress Downhole Tools, L.L.C. a subsidiary
named as the applicant on its applications, in US
3 published
NOV Process & Flow Technologies AS a subsidiary
named as the applicant on its applications, in NO
3 published
TUBOSCOPE NORGE AS a subsidiary
NO, as the owner printed on each patent
1 published
PIPEX LIMITED a subsidiary
GB, as the owner printed on each patent. 2 more under the same name are not counted (printed in IL, printed in US)
0 published
VOESTALPINE TUBULARS GMBH & CO KG a subsidiary
named as the applicant on its applications, in AT
2 published
Varco, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Chemineer, Inc. a subsidiary
named as the applicant on its applications, in US
1 published
Fiber Glass Systems, L.P. a subsidiary
US, as the owner printed on each patent
0 published
INTELLISERV, LLC a subsidiary
named as the applicant on its applications, in US
1 published
NATIONAL OILWELL VARCO PETROLEUM EQUIPMENT (SHANGHAI) CO., LTD. a subsidiary
named as the applicant on its applications, in CN
1 published
NOV PROCESS & FLOW TECHNOLOGIES UK LIMITED a subsidiary
GB, as the owner printed on each patent
0 published
National Oilwell Varco Petroleum Equipment (Shanghai) Co., Ltd. a subsidiary
CN, as the owner printed on each patent
0 published
PIPEX LIMITED a subsidiary
named as the applicant on its applications, in GB
1 published
RE.MAC.UT., S.p.A. a subsidiary
IT, as the owner printed on each patent
0 published
Tuboscope Norge AS a subsidiary
named as the applicant on its applications, in NO
1 published
woolley a subsidiary
US, as the owner printed on each patent
1 published
Names not counted (7)
Visible Assets, Inc.
Most of its patents print CA; this name counts in US. 47 granted and 63 published under it are not counted.
Ameron B.V.
Most of its patents print US; this name counts in NL. 76 granted and 0 published under it are not counted.
Fjords Processing Limited
Most of its patents print NO; this name counts in GB. 3 granted and 0 published under it are not counted.
Fjords Processing Limited
Most of its patents print NO; this name counts in GB. 0 granted and 3 published under it are not counted.
NOV Completion Tools LLC
Most of its patents print NO; this name counts in RU. 2 granted and 0 published under it are not counted.
Visible Assets, Inc.
Most of its patents print CA; this name counts in US. 0 granted and 1 published under it are not counted.
Tuboscope & Co. LLC
One word once its "& Company" is set aside.
Newest grantseach row opens the USPTO’s own copy
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Dec 25, 2025 | 2025/0389169 | SEAL ASSEMBLY LIFE EXTENSION METHODS | Civil engineering | Grant Prideco, Inc. |
| Dec 18, 2025 | 2025/0382848 | ROBOTIC PIPE DOPE APPLICATION SYSTEM | Handling | National Oilwell Varco, L.P. |
| Dec 4, 2025 | 2025/0369470 | SPLIT SHAFT COUPLING | Mechanical elements | National Oilwell Varco, L.P. |
| Dec 4, 2025 | 2025/0369442 | SEAL ASSEMBLY FOR PROGRESSIVE CAVITY PUMP | Engines, pumps, turbines | National Oilwell Varco, L.P. |
| Dec 4, 2025 | 2025/0369439 | PROGRESSIVE CAVITY PUMP ROTOR | Engines, pumps, turbines | National Oilwell Varco, L.P. |
| Nov 20, 2025 | 2025/0354441 | CUTTER ELEMENTS WITH CONCAVE RECESSES AND FIXED CUTTER DRILL BIT INCLUDING SAME | Civil engineering | National Oilwell Varco, L.P. |
| Nov 13, 2025 | 2025/0345875 | SYSTEMS AND METHODS FOR WIRE ARC ADDITIVE MANUFACTURING | Machine tools | National Oilwell Varco, L.P. |
| Nov 6, 2025 | 2025/0341268 | FIBER REINFORCED LAMINATE PIPE JOINT INSERT | Other special machines | Grant Prideco, Inc. |
| Nov 6, 2025 | 2025/0341138 | DEPTH ACTIVATED DOWNHOLE ADJUSTABLE BEND ASSEMBLIES | Civil engineering | National Oilwell Varco, L.P. |
| Nov 6, 2025 | 2025/0341134 | FIXED CUTTER DRILL BITS WITH MECHANICALLY ATTACHED CUTTER ELEMENT ASSEMBLIES | Civil engineering | National Oilwell Varco, L.P. |
What it applied for, 2024 to 2025: Civil engineering 33 · Handling 9 · Engines, pumps, turbines 9 · Machine tools 5 · Mechanical elements 5 · Materials, metallurgy 3.
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.