Patent holdings for IPC class F02K 9/97

Total number of patents in this class: 315

10-year publication summary

21
35
33
26
25
33
22
33
24
16
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Arianegroup SAS
538
25
Blue Origin Manufacturing, LLC
364
21
Raytheon Company
8447
20
Northrop Grumman Systems Corporation
2913
18
Stoke Space Technologies, Inc.
48
14
Snecma
1057
11
Aerojet Rocketdyne, Inc.
143
10
General Electric Company
13999
7
Rocketforce Technologies LLC
68
7
The Boeing Company
20212
6
Centre National de La Recherche Scientifique
11122
6
Herakles
153
5
ArianeGroup GmbH
75
5
Mitsubishi Heavy Industries, Ltd.
9231
4
Agency for Defense Development
486
4
Volvo Aero Corporation
66
4
Innovative Rocket Technologies Inc.
7
4
SNECMA Propulsion Solide
41
3
Airbus Safran Launchers SAS
58
3
Centre National d'Etudes Spatiales
403
3
Other owners 135