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Ansonia, CT, United States of America

Farrel Corporation

USPTO Granted Patents = 26

CIPO Patents = 2

EPO Patents = 2

Trademarks = 11

Forward Citations = 242

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34 inventors (with patents filed for the assignee):

Douglas E Mosher (8 out of 8 patents)

Michael R Kearney (5 out of 5 patents)

Frank J Borzenski (4 out of 4 patents)

4. Narku O Nortey (4 out of 4 patents)

5. William H Swilling, Jr (4 out of 4 patents)

6. Stuart A Sardinskas (3 out of 3 patents)

7. Joseph R Piccolo, Sr (3 out of 3 patents)

8. Douglas V Poscich (2 out of 4 patents)

9. Lefteris N Valsamis (2 out of 12 patents)

10. Matthew Bonito (1 out of 1 patent)

11. Stephen E Peterson (1 out of 1 patent)

12. John Neugebauer (1 out of 1 patent)

13. Lefteris Valsamis (1 out of 1 patent)

14. Hans Baurmeister (1 out of 1 patent)

15. Walter Rapetski (1 out of 1 patent)

Core Competencies:

Rotor Shaft Seal

Internal Batch Mixers

Extrusion-Compounding

Cooling Method

Non-Intermeshing Rotors

Quick-Disconnect Couplings

Greased Journal Bearings

Modular Mixing Elements

Converging Extruder Hopper

Rotary Processor

Screw Extruders

Fluid Pump

26 patents: Sort by Forward Citations

1. 9709172 - Rotor shaft seal assembly (2017-07-18),

2. 7404664 - Keel type ram for use in internal batch mixers with tangential rotors (2008-07-29),

3. 6494607 - Four wing, non-intermeshing rotors for synchronous drive to provide improved dispersive and distributive mixing in internal batch mixers (2002-12-17),

4. 5526566 - Method of making rotors for two-rotor continuous mixers and method of (1996-06-18),

5. 5487602 - Multi-screw, extrusion-compounding machine with modular mixing elements (1996-01-30),

6. 5480252 - Coupling mechanism for quickly axially aligning rotor to journals (1996-01-02),

7. 5415492 - Coupling mechanism for quickly axially aligning rotor to journals (1995-05-16),

8. 5382089 - Convenient access for clean-out and maintenance of mixing chamber and (1995-01-17),

9. 5273356 - Rotor zone cooling method and apparatus for rotors in continuous mixers (1993-12-28),

10. 5267788 - Multi-screw, continuous mixing and kneading machine with polygonal (1993-12-07),

11. 5261740 - One-piece cylindrical extruder barrel assembled with eccentric (1993-11-16),

12. 5259688 - Quick-disconnect couplings for three-piece rotors in continuous mixers (1993-11-09),

13. 5259671 - Greased journal bearing assemblies with thermal isolation and cooling in (1993-11-09),

14. 5180225 - Rotor zone cooling apparatus for rotors in continuous mixers of plastic (1993-01-19),

15. 5143734 - Adjustable converging extruder hopper (1992-09-01),

Company Overview

Farrel Corporation, based in Ansonia, Connecticut, specializes in the development and manufacturing of advanced machinery and equipment for the rubber and plastics industries. The company focuses on providing innovative solutions that enhance production efficiency and product quality. With a strong emphasis on engineering excellence, Farrel Corporation is recognized for its expertise in processing technologies, including mixing, compounding, and extrusion, serving clients across various global markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

26 Patents

#1 in Ansonia, CT

#316 in Connecticut

#12,850 in US

#24,781 in the World

Ansonia, CT, United States of America

Farrel Corporation

Forward Citations = 242

34 inventors:

Douglas E Mosher (8 out of 8 patents)

Michael R Kearney (5 out of 5 patents)

Frank J Borzenski (4 out of 4 patents)

4. Narku O Nortey (4 out of 4 patents)

5. William H Swilling, Jr (4 out of 4 patents)

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

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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