Company Analysis

Ducommun Incorporated (DCO)

NYSE: DCO · Aircraft Parts & Auxiliary Equipment, NEC · Costa Mesa, CA · filing with the SEC since 1995
Grade4.2
◀ Past 3.9● Present 5.0▶ Future 3.2

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

29 patents granted to the 9 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Ducommun Incorporated’s names, not what it holds today.

Patents granted
29
25 utility, 4 design, 1976 to Dec 31, 2025
Granted in 2025
none
Against 1 in 2024 and 1 in 2023
Applications published
11
since 2001, to Dec 31, 2025
Names they are printed under
9
a subsidiary, its own name
By yearGrantedApplications published
'99'00'02'11'12'13'14'15'17'18'19'20'22'23'24
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Thermal processes and apparatus2
Mechanical elements1
Transport1
Other special machines1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name9 counted
Composite Structures, Inc. a subsidiary
US, as the owner printed on each patent
13 granted
0 published
BLR Aerospace, L.L.C. a subsidiary
US, as the owner printed on each patent
6 granted
2 published
DUCOMMUN AEROSTRUCTURES, INC. a subsidiary
US, as the owner printed on each patent
4 granted
0 published
Magnetic Seal LLC a subsidiary
US, as the owner printed on each patent
1 granted
3 published
BLR AeroSpace, L.L.C. a subsidiary
named as the applicant on its applications, in US
0 granted
3 published
Ducommun Aerostructures, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
3 published
Lightning Diversion Systems a subsidiary
US, as the owner printed on each patent
3 granted
0 published
Ducommun Incorporated its own name
US, as the owner printed on each patent
1 granted
0 published
Nobles Worldwide, Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Jul 30, 202412,050,077Linkless ammunition handling systemOther special machinesNobles Worldwide, Inc.
Jul 18, 202311,703,281Vacuum forming methodThermal processes and apparatusDUCOMMUN AEROSTRUCTURES, INC.
Sep 20, 202211,447,243Helicopter with anti-torque system, related kit and methodsTransportBLR Aerospace, L.L.C.
Sep 13, 202211,441,685Rotary face seal with magnetic puller loadingMechanical elementsMagnetic Seal LLC
Jun 14, 202211,359,863Vacuum forming methodThermal processes and apparatusDUCOMMUN AEROSTRUCTURES, INC.
Jun 9, 202010,677,529Vacuum forming methodThermal processes and apparatusDUCOMMUN AEROSTRUCTURES, INC.
May 7, 201910,279,899Helicopter with anti-torque system, related kit and methodsTransportBLR Aerospace, L.L.C.
Mar 31, 20158,991,747Aircraft stabilization systems and methods of modifying an aircraft with the sameTransportBLR Aerospace, L.L.C.
Mar 24, 20158,985,503Aircraft stabilization systems and methods of modifying an aircraft with the sameTransportBLR Aerospace, L.L.C.
Feb 19, 20138,376,265Aircraft stabilizer system and methods of using the sameTransportBLR Aerospace, L.L.C.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Oct 6, 20222022/0316802Vacuum Forming MethodThermal processes and apparatusDucommun Aerostructures, Inc. · patent 11,703,281 granted from it
Sep 24, 20202020/0300546Vacuum Forming MethodThermal processes and apparatusDucommun Aerostructures, Inc. · patent 11,359,863 granted from it
Jul 25, 20192019/0225331HELICOPTER WITH ANTI-TORQUE SYSTEM, RELATED KIT AND METHODSTransportBLR AeroSpace, L.L.C. · patent 11,447,243 granted from it
Nov 29, 20182018/0340614ROTARY FACE SEAL WITH MAGNETIC PULLER LOADING WITH BAND MAGNET ON SEAL CASEMechanical elementsMagnetic Seal LLC
Jan 18, 20182018/0017167ROTARY FACE SEAL WITH MAGNETIC PULLER LOADINGMechanical elementsMagnetic Seal LLC · patent 11,441,685 granted from it
Jan 18, 20182018/0017166ROTARY FACE SEAL WITH MAGNETIC REPELLING LOADINGMechanical elementsMagnetic Seal LLC
Dec 21, 20172017/0363355Vacuum Forming MethodThermal processes and apparatusDucommun Aerostructures, Inc. · patent 10,677,529 granted from it
Jan 5, 20172017/0001722HELICOPTER WITH ANTI-TORQUE SYSTEM, RELATED KIT AND METHODSTransportBLR AeroSpace, L.L.C. · patent 10,279,899 granted from it
Oct 30, 20142014/0317900AIRCRAFT STABILIZATION SYSTEMS AND METHODS OF MODIFYING AN AIRCRAFT WITH THE SAMETransportBLR Aerospace, L.L.C. · patent 8,985,503 granted from it
Jun 19, 20142014/0166804AIRCRAFT STABILIZATION SYSTEMS AND METHODS OF MODIFYING AN AIRCRAFT WITH THE SAMETransportBLR AeroSpace, L.L.C. · patent 8,991,747 granted from it

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton DCO · research, not advice