Patent holdings for IPC class B65G 5/00

Total number of patents in this class: 418

10-year publication summary

37
15
13
23
27
25
26
34
34
48
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hydrostor Inc.
59
39
Saudi Arabian Oil Company
13569
28
Praxair Technology, Inc.
1278
19
Air Liquide Large Industries U.S. LP
53
11
Charm Industrial, Inc.
22
11
Aramco Services Company
4077
10
Schlumberger Technology Corporation
10994
7
Quidnet Energy Inc.
31
7
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3988
6
Statoil Petroleum AS
511
6
Cleantech GeoMechanics Inc.
10
6
1304338 Alberta Ltd.
88
5
1304342 Alberta Ltd.
86
5
D.A. Nolt, Inc.
5
5
IFP Energies Nouvelles
2969
5
Totalenergies Onetech
1407
5
TerraH2 LLC
10
5
Schlumberger Canada Limited
7410
4
Halliburton Energy Services, Inc.
21006
4
Advantek International Corporation
15
4
Other owners 226