- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 1/18 - Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
Patent holdings for IPC class F22B 1/18
Total number of patents in this class: 636
10-year publication summary
67
|
65
|
55
|
49
|
48
|
38
|
35
|
36
|
24
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
26 |
Mitsubishi Power, Ltd. | 1680 |
25 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
18 |
GE Infrastructure Technology, LLC | 5873 |
18 |
General Electric Technology GmbH | 1657 |
15 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
13 |
Siemens Energy Global GmbH & Co. KG | 2775 |
13 |
SunCoke Technology and Development LLC | 191 |
12 |
XDI Holdings, LLC | 68 |
12 |
General Electric Company | 18133 |
11 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
9 |
Nooter/eriksen, Inc. | 61 |
9 |
Saudi Arabian Oil Company | 11322 |
8 |
Air Products and Chemicals, Inc. | 1448 |
7 |
Robert Bosch GmbH | 40953 |
6 |
Alstom Technology Ltd | 1196 |
6 |
Uop LLC | 4083 |
6 |
Ceres Intellectual Property Company Limited | 250 |
6 |
General Energy Recovery Inc. | 16 |
6 |
Other owners | 399 |