- All sections
- B - Performing operations; transporting
- B23H - Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool; such working combined with other forms of working of metal
- B23H 9/10 - Working turbine blades or nozzles
Patent holdings for IPC class B23H 9/10
Total number of patents in this class: 254
10-year publication summary
22
|
25
|
26
|
25
|
26
|
16
|
11
|
8
|
11
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
General Electric Company | 18133 |
25 |
Rtx Corporation | 8674 |
21 |
MTU Aero Engines AG | 622 |
20 |
Siemens AG | 24990 |
19 |
GE Infrastructure Technology, LLC | 5873 |
17 |
Safran Aircraft Engines | 5739 |
16 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
13 |
MTU Aero Engines GmbH | 565 |
8 |
Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 47 |
6 |
Pratt & Whitney Canada Corp. | 4215 |
5 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
5 |
Mitsubishi Power, Ltd. | 1680 |
5 |
Makino Milling Machine Co., Ltd. | 394 |
4 |
Siemens Energy, Inc. | 1770 |
3 |
ECP Entwicklungsgesellschaft mbH | 215 |
3 |
Exergy S.p.A. | 25 |
3 |
SAFRAN S.A. | 518 |
2 |
United Technologies Corporation | 2328 |
2 |
Centre National de La Recherche Scientifique | 9632 |
2 |
Robert Bosch GmbH | 40953 |
2 |
Other owners | 73 |