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For the Inventor, By the Inventor

Menomonee Falls, WI, United States of America

Actuant Corporation


USPTO Granted Patents = 199

% Expired Patents = 31.2



Trademarks = 38

Forward Citations = 2,458

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176 inventors (with patents filed for the assignee):

goldMedal David Lloyd Wiesemann (33 out of 47 patents)

silverMedal Patrick J Radle (27 out of 29 patents)

bronzeMedal Christopher L Peterson (18 out of 32 patents)

4.  Daryl Charles Brockman (17 out of 34 patents)

5.  Thomas M Luebke (14 out of 26 patents)

6.  Robert H Schneider (13 out of 37 patents)

7.  Anthony W Gilbert (13 out of 13 patents)

8.  Micah L Maraia (11 out of 27 patents)

9.  George R Steber (11 out of 21 patents)

10.  David J Prince (10 out of 13 patents)

11.  Frantz D Stanford (10 out of 12 patents)

12.  James R Kunz (10 out of 14 patents)

13.  Austin R Braganza (9 out of 13 patents)

14.  Michael David Onachilla (9 out of 9 patents)

15.  Laurentius Andreas Gerardus Mentink (8 out of 14 patents)


Core Competencies:
Hydraulic Ram
Portable Lift System
Hydraulic Tensioner
Pressure Relief Assembly
Hydraulic Cylinder
Double-Acting Cylinder
Hydro-Pneumatic System
Torque Wrench
Pipe Flange Facing
Cable Anchor
Seed Metering Device
Medical Imaging

199 patents:

1. 10473551 - Track loading tool (2019-11-12),
2. 10371179 - Hydraulic ram with a side load sensor (2019-08-06),
3. 10364131 - Double synthetic sling (2019-07-30),
4. 10260664 - Pipe end seal assembly (2019-04-16),
5. 10227727 - Rope having a low-friction strand (2019-03-12),
6. 10173872 - Portable self-locking lift system (2019-01-08),
7. 10076792 - Portable boring machine (2018-09-18),
8. 10076074 - Reversible seeder transmission and seeder drive apparatus (2018-09-18),
9. D826020 - Handle for a hydraulic torque wrench (2018-08-21),
10. 10023406 - Cycloidal wheel drive (2018-07-17),
11. 9976251 - Rope having a low-friction strand (2018-05-22),
12. 9931764 - Pocketformer with releasable grout ring and tendon, tail gauge and method for using (2018-04-03),
13. 9770815 - Gripping socket, wrench and method of use (2017-09-26),
14. 9732468 - Spliced rope apparatus and method (2017-08-15),
15. 9644392 - Barrier cable anchor rail (2017-05-09),
Company Overview
Actuant Corporation, headquartered in Menomonee Falls, Wisconsin, specializes in hydraulic systems and solutions. The company develops and manufactures a range of products including hydraulic rams, portable lift systems, hydraulic tensioners, and various types of hydraulic cylinders. Actuant is recognized for its innovation in hydro-pneumatic systems and torque wrenches, serving diverse industries that require reliable and efficient hydraulic technologies. Its commitment to engineering excellence positions it as a key player in the hydraulic systems market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Actuant Corporation USPTO Patent Assignee Logo
199 Patents

#1 in Menomonee Falls, WI

#34 in Wisconsin

#2,073 in US

#4,244 in the World

Menomonee Falls, WI (US)
Menomonee Falls, WI, United States of America

Actuant Corporation

Forward Citations = 2,458

176 inventors:

goldMedal David Lloyd Wiesemann (33 out of 47 patents)

silverMedal Patrick J Radle (27 out of 29 patents)

bronzeMedal Christopher L Peterson (18 out of 32 patents)

4.  Daryl Charles Brockman (17 out of 34 patents)

5.  Thomas M Luebke (14 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Actuant Corporation. Retrieved from https://idiyas.com/company/actuant

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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