Détention brevets de la classe E21D 23/16

Brevets de cette classe: 39

Historique des publications depuis 10 ans

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1
3
1
1
6
4
5
2
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Propriétaires principaux

Proprétaire
Total
Cette classe
Anhui University of Science and Technology
186
4
China University of Mining and Technology
1247
4
Beijing Ccri-tianma Automation Technology Co., Ltd.
65
3
RAG Aktiengesellschaft
33
2
Sandvik Intellectual Property AB
1484
2
Sandvik Mining and Construction G.m.b.H.
91
2
Shandong University of Science and Technology
512
2
Tiefenbach Control Systems GmbH
18
2
Beijing Tiandi-marco Electro-hydraulic Control System Co., Ltd
7
2
Zhejiang Zhongmei Machinery Technology Co., Ltd.
2
2
Huawei Technologies Co., Ltd.
111764
1
Caterpillar Inc.
9527
1
Caterpillar Global Mining Europe GmbH
85
1
Bucyrus Europe GmbH
32
1
Caterpillar Global Mining LLC
202
1
Cougar Can Company Pty Ltd.
3
1
NCM Innovations (Pty) Ltd
35
1
Taiyuan University of Technology
251
1
Zhengzhou Coal Mining Machinery Group Company Limited
5
1
China Mining & Civil New Material Science and Technology Ltd.
11
1
Autres propriétaires 4