Patent holdings for IPC class B64D 27/33

Total number of patents in this class: 114

10-year publication summary

0
0
3
1
13
2
6
6
33
42
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Pratt & Whitney Canada Corp.
4700
25
Safran Helicopter Engines
754
8
Ascendance Flight Technologies
21
7
General Electric Company
13829
6
Hamilton Sundstrand Corporation
4844
5
Airbus Helicopters
965
4
SAFRAN S.A.
612
3
Rtx Corporation
9325
3
Centre National de La Recherche Scientifique
10408
2
Safran Transmission Systems
309
2
Universite de Lorraine
383
2
Verdego Aero, Inc.
33
2
Raytheon Technologies Corporation
172
2
Limo Air Drive Corp.
3
2
Honda Motor Co., Ltd.
25166
1
The Boeing Company
20031
1
Hitachi, Ltd.
15467
1
Hyundai Motor Company
21852
1
Ampaire, Inc.
56
1
Bombardier Inc.
755
1
Other owners 35