Patent holdings for IPC class D03D 23/00

Total number of patents in this class: 321

10-year publication summary

33
21
42
28
26
9
10
7
1
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
The United States of America as represented by the Secretary of the Navy
2653
23
The United States of America as represented by the Secretary of the Army
1174
22
Northrop Grumman Systems Corporation
2937
16
Lockheed Martin Corporation
3345
7
Federal Cartridge Company
535
7
Purdue Research Foundation
3373
6
Digital Solid State Propulsion, Inc.
16
6
University of Central Florida Research Foundation, Inc.
1138
6
Raytheon Company
8450
5
AstenJohnson, Inc.
136
5
Daicel Chemical Industries, Ltd.
272
5
Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee
332
5
Schlumberger Technology Corporation
9933
4
Aavn Inc.
86
4
Aerojet Rocketdyne, Inc.
158
4
Albany Engineered Composites, Inc.
154
4
Autoliv ASP, Inc.
765
4
CFD Research Corporation
54
4
Dyno Nobel Inc.
165
4
Exsa S.A.,
20
4
Other owners 176