Détention brevets de la classe G01N 33/26

Brevets de cette classe: 216

Historique des publications depuis 10 ans

9
9
14
9
5
7
5
5
8
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
12016
8
Schlumberger Canada Limited
7629
6
Halliburton Energy Services, Inc.
21259
6
Saudi Arabian Oil Company
14446
6
Services Petroliers Schlumberger
6036
6
Schlumberger Technology B.v.
5292
5
GM Global Technology Operations LLC
16306
4
Chevron U.S.A. Inc.
4190
4
The Lubrizol Corporation
1264
4
Qualitrol Company, LLC
54
4
Quest Diagnostics Investments Incorporated
388
4
3m Innovative Properties Company
17463
3
Afton Chemical Corporation
500
3
Cidra Corporate Services, Inc.
199
3
SPECTRO Scientific, Inc.
42
3
Transportation IP Holdings, LLC
1025
3
Schlumberger Holdings Limited
2653
2
Baker Hughes Incorporated
4852
2
ExxonMobil Research And Engineering Company
2383
2
Aktiebolaget SKF
3171
2
Autres propriétaires 136