Détention brevets de la classe E21D 21/02

Brevets de cette classe: 62

Historique des publications depuis 10 ans

2
2
6
7
6
12
5
7
6
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Sandvik Mining and Construction Australia Pty Limited
16
7
Sandvik Mining and Construction Tools AB
147
7
National Research Council of Canada
1545
4
Rocbolt Technologies (Pty) Ltd.
6
4
Rock Safety Sweden AB
4
3
China University of Mining & Technology (Beijing)
42
2
FCI Holdings Delaware, Inc.
158
2
Innovative Mining Products (Pty) Ltd, TA New Concept Mining
28
2
Montanuniversitaet Leoben
29
2
NCM Innovations (Pty) Ltd
35
2
REI, Inc.
23
2
Shandong University of Science and Technology
459
2
FDH Infrastructure Services, LLC
21
2
Alert Technologies, Inc.
2
2
Epiroc Holdings South Africa (Pty) Ltd
15
2
Thingwave AB
3
2
DSI Underground Canada Ltd./souterrain DSI Canada Ltee
7
2
Alert Technologies, Inc.
2
1
China University of Mining and Technology
1189
1
Custers, Robert
1
1
Autres propriétaires 10