Patent holdings for IPC class B23H 7/38

Total number of patents in this class: 31

10-year publication summary

2
3
1
2
2
2
1
1
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rolls-Royce PLC
3010
4
Asahi Glass Company, Limited
2866
3
Siemens AG
24556
2
Mitsubishi Heavy Industries, Ltd.
8579
2
Pratt & Whitney Canada Corp.
4460
2
Ustav Termomechaniky AV CR, V.v.i.
3
2
Denso Corporation
23877
1
Continental Automotive GmbH
5539
1
Idemitsu Kosan Co., Ltd.
4126
1
Daicel Corporation
2259
1
Daicel Polymer Ltd.
75
1
Korea Institute of Energy Research
832
1
Micron Machinery Co., Ltd
12
1
Nagaoka University of Technology
80
1
National Central University
227
1
Seibu Electric & Machinery Co., Ltd.
46
1
Sodick Co., Ltd.
297
1
National Kaohsiung University of Science and Technology
34
1
Vitesco Technologies GmbH
2483
1
Nielson Scientific, LLC
13
1
Other owners 2