Patent holdings for IPC class F17D 1/02

Total number of patents in this class: 143

10-year publication summary

15
19
9
4
11
9
16
13
11
7
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Schlumberger Canada Limited
6913
5
Schlumberger Technology Corporation
9690
3
Schlumberger Technology B.v.
4951
3
The Boeing Company
19843
3
Tokyo Electron Limited
11599
3
Dalian University of Technology
1387
3
Services Petroliers Schlumberger
5426
3
SunCoke Technology and Development LLC
191
3
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
396
3
DropTech, LLC
4
3
Applied Materials, Inc.
16587
2
Air Products and Chemicals, Inc.
1448
2
Akzo Nobel Chemicals International B.V.
520
2
GrDF
20
2
Linde Aktiengesellschaft
1600
2
medin Medical Innovations GmbH
32
2
MKS Instruments, Inc.
698
2
Oriental Recreational Products (Shanghai) Co., Ltd.
72
2
PetroChina Company Limited
462
2
Praxair Technology, Inc.
1367
2
Other owners 91