Patent holdings for IPC class D03D 23/00

Total number of patents in this class: 329

10-year publication summary

33
21
42
28
26
9
9
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
2734
24
The United States of America as represented by the Secretary of the Army
1195
22
Northrop Grumman Systems Corporation
2940
16
Lockheed Martin Corporation
3406
7
Digital Solid State Propulsion, Inc.
17
7
Federal Cartridge Company
531
7
Purdue Research Foundation
3277
6
University of Central Florida Research Foundation, Inc.
1098
6
Raytheon Company
8535
5
AstenJohnson, Inc.
137
5
Autoliv ASP, Inc.
772
5
Daicel Chemical Industries, Ltd.
288
5
Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee
345
5
Schlumberger Technology Corporation
9690
4
Aavn Inc.
89
4
Aerojet Rocketdyne, Inc.
155
4
Albany Engineered Composites, Inc.
152
4
CFD Research Corporation
50
4
Dyno Nobel Inc.
163
4
Exsa S.A.,
20
4
Other owners 181