Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
75 Patents
#12 in Racine, WI
#112 in Wisconsin
#4,906 in US
#10,007 in the World
Twin Disc Incorporated
Forward Citations = 1,124
51 inventors:
Racine, WI, United States of America
Twin Disc Incorporated
% Expired Patents = 13.3
CIPO Patents = 1
EPO Patents = 18
Trademarks = 1
Forward Citations = 1,124
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51 inventors (with patents filed for the assignee):
Edwin Eugene Wilson (8 out of 15 patents)
James B Black (8 out of 8 patents)
Philip Rolla (7 out of 7 patents)
4. Paul A Pelligrino (6 out of 8 patents)
5. Raymond C Schneider (6 out of 6 patents)
6. Horst G Steinhagen (5 out of 5 patents)
7. Darrel A Jones (4 out of 4 patents)
8. Joseph B Snoy (4 out of 4 patents)
9. Ryan J Malloy (3 out of 34 patents)
10. Gerald A Matranga (3 out of 3 patents)
11. Andrew Clark (3 out of 3 patents)
12. Dean J Bratel (3 out of 3 patents)
13. George Reisch Aschauer (3 out of 8 patents)
14. Joseph C Terranova (3 out of 3 patents)
15. Basil White (3 out of 3 patents)
Core Competencies:
Power Transmission
Hydraulic Control
Marine Propulsion
Clutch Technologies
Industrial Drives
Pressure Pumping
Torque Converter
Heavy Duty Transmission
Fracturing Systems
Fluid Control
Electronic Control
75 patents:
Company Overview
Twin Disc Incorporated, headquartered in Racine, Wisconsin, specializes in the development and manufacturing of advanced power transmission systems. The company focuses on a range of technologies including hydraulic control, marine propulsion, and clutch technologies, catering to both industrial and marine applications. With expertise in heavy-duty transmissions and torque converters, Twin Disc plays a significant role in enhancing the efficiency and performance of various machinery and vehicles across diverse sectors.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Twin Disc Incorporated. Retrieved from https://idiyas.com/company/twin-disc
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]
1 patent (CIPO):
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]
18 patents (EPO):
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]