Dauch Corporation (DCH)
NYSE: DCH · Motor Vehicle Parts & Accessories · Detroit, MI · filing with the SEC since 1998
Grade4.2
◀ Past 4.9● Present 4.6▶ Future 3.1
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026590 patents granted to the 11 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 Dauch Corporation’s names, not what it holds today.
Patents granted
590
585 utility, 5 design, 1976 to Dec 31, 2025
Granted in 2025
7
Against 19 in 2024 and 15 in 2023
Applications published
360
8 of them in 2025
Names they are printed under
11
a subsidiary
By yearGrantedApplications published
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
Mechanical elements43
Electrical machinery, apparatus, energy22
Machine tools7
Transport6
Materials, metallurgy5
Measurement3
Engines, pumps, turbines1
Other special machines1
Semiconductors1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name11 counted
AMERICAN AXLE & MANUFACTURING, INC. a subsidiary
US, as the owner printed on each patent
110 published
American Axle & Manufacturing, Inc. a subsidiary
named as the applicant on its applications, in US
209 published
e-AAM Driveline Systems AB a subsidiary
SE, as the owner printed on each patent. 1 more under the same name are not counted (printed in US)
11 published
e-AAM Driveline Systems AB a subsidiary
named as the applicant on its applications, in SE. 2 more under the same name are not counted (printed in US, printed in ES)
17 published
NEUMAYER TEKFOR ENGINEERING GMBH a subsidiary
DE, as the owner printed on each patent
1 published
Neumayer Tekfor Engineering GmbH a subsidiary
named as the applicant on its applications, in DE. 1 more under the same name are not counted (printed in SE)
10 published
MSP Industries Corporation a subsidiary
US, as the owner printed on each patent
0 published
Colfor Manufacturing, Inc. a subsidiary
US, as the owner printed on each patent
0 published
METALDYNE KOREA LTD. a subsidiary
KR, as the owner printed on each patent
1 published
MSP Industries LLC a subsidiary
named as the applicant on its applications, in US
1 published
Metaldyne International (UK) Limited a subsidiary
GB, as the owner printed on each patent
0 published
Names not counted (2)
Metaldyne GmbH
Most of its patents print US; this name counts in DE. 27 granted and 2 published under it are not counted.
Metaldyne GmbH
Most of its patents print US; this name counts in DE. 0 granted and 6 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Aug 19, 2025 | 12,394,694 | Integrated power switching device heat sink | Electrical machinery, apparatus, energy | AMERICAN AXLE & MANUFACTURING, INC. |
| Aug 5, 2025 | 12,381,447 | Electric drive module configured as a beam axle | Mechanical elements | AMERICAN AXLE & MANUFACTURING, INC. |
| Jul 8, 2025 | 12,355,308 | Electric drive module having motor with heat sink insert in rotor shaft | Electrical machinery, apparatus, energy | AMERICAN AXLE & MANUFACTURING, INC. |
| Jul 8, 2025 | 12,350,731 | Method for creating elevations in a workpiece, apparatus and product | Machine tools | NEUMAYER TEKFOR ENGINEERING GMBH |
| Apr 22, 2025 | 12,283,875 | Electric drive unit with rotor heat sink formed of heat sink elements | Electrical machinery, apparatus, energy | AMERICAN AXLE & MANUFACTURING, INC. |
| Mar 18, 2025 | 12,251,999 | Multi-speed electric drive axle using multi-layshaft transmission | Mechanical elements | AMERICAN AXLE & MANUFACTURING, INC. |
| Jan 14, 2025 | 12,199,020 | Integrated power switching device heat sink | Electrical machinery, apparatus, energy | AMERICAN AXLE & MANUFACTURING, INC. |
| Oct 22, 2024 | 12,123,467 | Constant velocity joint | Mechanical elements | NEUMAYER TEKFOR ENGINEERING GMBH |
| Sep 10, 2024 | 12,085,161 | Vehicle driveline component with weldment having air pocket configured to shift residual stress in weldment away from the weld joint | Machine tools | AMERICAN AXLE & MANUFACTURING, INC. |
| Sep 3, 2024 | 12,081,083 | Rotor for an electric motor, electric motor, and method for producing a rotor | Electrical machinery, apparatus, energy | NEUMAYER TEKFOR ENGINEERING GMBH |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Nov 6, 2025 | 2025/0343462 | ELECTRIC DRIVE UNIT | Mechanical elements | American Axle & Manufacturing, Inc. |
| Oct 23, 2025 | 2025/0330061 | ELECTRIC DRIVE MODULE CONFIGURED AS A BEAM AXLE | Mechanical elements | AMERICAN AXLE & MANUFACTURING, INC. |
| Aug 7, 2025 | 2025/0253743 | ELECTRIC MOTOR ASSEMBLY HAVING MOTOR CONTROLLER WITH INVERTER AND CURRENT SENSORS | Electrical machinery, apparatus, energy | American Axle & Manufacturing, Inc. |
| Jun 19, 2025 | 2025/0202314 | RESISTANCE WELDED ASSEMBLY FIXTURE | Electrical machinery, apparatus, energy | American Axle & Manufacturing, Inc. |
| Jun 12, 2025 | 2025/0187416 | MULTI-SPEED ELECTRIC DRIVE AXLE USING MULTI-LAYSHAFT TRANSMISSION | Mechanical elements | American Axle & Manufacturing, Inc. |
| Mar 27, 2025 | 2025/0105696 | END TURN COOLING ASSEMBLY | Electrical machinery, apparatus, energy | American Axle & Manufacturing, Inc. |
| Feb 6, 2025 | 2025/0048507 | ROTATING ELECTRICAL MACHINE COMPONENT FIXTURE | Electrical machinery, apparatus, energy | American Axle & Manufacturing, Inc. |
| Jan 2, 2025 | 2025/0007363 | INVERTER HAVING SEAL MEMBER BETWEEN POWER SEMI-CONDUCTOR AND INVERTER MOUNT | Electrical machinery, apparatus, energy | American Axle & Manufacturing, Inc. |
| Nov 28, 2024 | 2024/0396387 | ELECTRIC MOTOR AND STATOR COOLING APPARATUS | Electrical machinery, apparatus, energy | American Axle & Manufacturing, Inc. |
| Oct 31, 2024 | 2024/0360871 | ROLLING ELEMENT CAGE AND DISPLACEMENT UNIT | Mechanical elements | NEUMAYER TEKFOR ENGINEERING GMBH |
What it applied for, 2024 to 2025: Electrical machinery, apparatus, energy 9 · Mechanical elements 8 · Semiconductors 2 · Other special machines 1 · Measurement 1.
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.