Détention brevets de la classe E01B 3/32

Brevets de cette classe: 16

Historique des publications depuis 10 ans

5
3
1
1
1
1
0
2
2
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
The Regents of the University of Michigan
4711
2
China Railway Siyuan Survey and Design Group Co., Ltd.
69
2
Alstom Holdings
610
1
Geotek, LLC
13
1
MSB-Management GmbH
5
1
Greenrail Group S.r.l.
3
1
China Academy of Railway Sciences Corporation Limited
27
1
Beijing Tieke Shougang Track Technology Co. , Ltd
2
1
China Academy of Railway Sciences Railway Engineering Research Institute
11
1
Gosudarstvennoe Obrazovatelnoe Uchrezhdenie Vysshego Professionalnogo Obrazovaniya 'moscow State University of Railway Engineering' (miit)
2
1
T.C. Erciyes Universitesi
66
1
Vossloh Fastening Systems GmbH
18
1
Arxada AG
165
1
Inventio GmbH
1
1
Autres propriétaires 0