Détention brevets de la classe E21D 21/02

Brevets de cette classe: 68

Historique des publications depuis 10 ans

5
5
6
10
3
6
6
5
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Sandvik Mining and Construction Australia Pty Limited
17
7
Sandvik Mining and Construction Tools AB
180
7
National Research Council of Canada
1568
4
Thingwave AB
7
4
Rocbolt Technologies (Pty) Ltd.
10
4
Innovative Mining Products (Pty) Ltd, TA New Concept Mining
32
3
Rock Safety Sweden AB
4
3
China University of Mining & Technology (Beijing)
44
2
FCI Holdings Delaware, Inc.
50
2
Montanuniversitaet Leoben
28
2
NCM Innovations (Pty) Ltd
35
2
REI, Inc.
23
2
Shandong University of Science and Technology
538
2
Alert Technologies, Inc.
2
2
Epiroc Holdings South Africa (Pty) Ltd
13
2
DSI Underground Canada Ltd./souterrain DSI Canada Ltee
6
2
Predictant, LLC
14
2
Alert Technologies, Inc.
2
1
China University of Mining and Technology
1284
1
CMTE Development Limited
40
1
Autres propriétaires 13