Patent holdings for IPC class E04H 5/02

Total number of patents in this class: 323

10-year publication summary

27
24
42
30
30
27
31
35
24
9
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
JNC Corporation
1527
17
Bripco BVBA
39
11
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3515
11
Lonza Ltd.
609
7
Crown Equipment Corporation
898
6
Mitsubishi Hitachi Power Systems, Ltd.
999
6
Vapor io Inc.
61
5
Shell Internationale Research Maatschappij B.V.
3792
4
Mitsubishi Heavy Industries, Ltd.
8217
4
Peugeot Citroen Automobiles SA
1903
4
Schweitzer Engineering Laboratories, Inc.
920
4
Terrapower, LLC
315
4
Mitsubishi Power, Ltd.
1680
4
Cummins Power Generation IP, Inc.
261
3
Fluor Technologies Corporation
410
3
JGC Corporation
41
3
RV Lizenz AG
17
3
Wartsila Finland Oy
740
3
GE Infrastructure Technology, LLC
5873
3
TechnoGuard Inc.
10
3
Other owners 215