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Nashua, NH, United States of America

Ferrofluidics Corporation

USPTO Granted Patents = 85

Trademarks = 2

Forward Citations = 1,664

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53 inventors (with patents filed for the assignee):

Kuldip Raj (50 out of 53 patents)

Ronald Moskowitz (20 out of 20 patents)

Hanumaiah L Gowda (10 out of 10 patents)

4. Thomas J Black, Jr (7 out of 8 patents)

5. Philip Stahl (6 out of 6 patents)

6. Zhixin Li (5 out of 17 patents)

7. Frank Bloom (5 out of 5 patents)

8. Raoul Casciari (5 out of 5 patents)

9. Lucian Borduz (5 out of 5 patents)

10. William B Mraz (4 out of 10 patents)

11. Christian Ionescu (3 out of 3 patents)

12. Lutful M Aziz (3 out of 3 patents)

13. James Bonvouloir (3 out of 3 patents)

14. Walter R Reed (3 out of 3 patents)

15. Alvan F Chorney (3 out of 3 patents)

Core Competencies:

Ferrofluid Sculpting

Ferrofluid Recycling

Solenoid Valves

Czochralski Crystal Growth

Ferrofluid Compositions

Liquid Magnetic Seal

Ferrofluid Pressure Sensor

Electrically Conductive Ferrofluid

Ferrofluid Cooling

Magnetic Fluid Seal

Ferrofluid Inclinometer

Jitter Attenuation

85 patents: Sort by Forward Citations

1. 6290894 - Ferrofluid sculpting apparatus (2001-09-18),

2. 6254781 - Method for recycling ferrofluid constituents used in a materials separation process (2001-07-03),

3. 6242994 - Apparatus to reduce push back time in solenoid valves (2001-06-05),

4. 6103107 - System for recycling ferrofluid constituents used in a materials (2000-08-15),

5. 6068785 - Method for manufacturing oil-based ferrofluid (2000-05-30),

6. 5969589 - Quiet ferrofluid solenoid (1999-10-19),

7. 5958282 - Low cost method for manufacturing ferrofluid (1999-09-28),

8. 5955934 - Quiet ferrofluid solenoid with cushion (1999-09-21),

9. 5908987 - Sensor employing a sliding ferrofluid mass in a coated, non-wetting, (1999-06-01),

10. 5879452 - Czochralski crystal growth system with an independently supported pull (1999-03-09),

11. 5851416 - Stable polysiloxane ferrofluid compositions and method of making same (1998-12-22),

12. 5824149 - Method and apparatus for controlling crystal temperature gradients in (1998-10-20),

13. 5806856 - On-site fillable liquid magnetic seal (1998-09-15),

14. 5797990 - Apparatus for damping a crystal ingot suspension in a Czochralski (1998-08-25),

15. 5780741 - Sensor employing a sliding magnet suspended on ferrofluid (1998-07-14),

Ferrofluidics Corporation is a leader in developing and manufacturing advanced ferrofluids, magnetic fluids used in various industrial applications. With over 30 years of experience, our company is committed to providing innovative solutions and exceptional products to our customers. We specialize in creating custom formulations tailored to specific requirements and applications, ensuring superior performance and efficient operations. Visit our website to learn more about our ferrofluid products and how they can benefit your industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

85 Patents

#3 in Nashua, NH

#26 in New Hampshire

#4,224 in US

#8,669 in the World

Nashua, NH, United States of America

Ferrofluidics Corporation

Forward Citations = 1,664

53 inventors:

Kuldip Raj (50 out of 53 patents)

Ronald Moskowitz (20 out of 20 patents)

Hanumaiah L Gowda (10 out of 10 patents)

4. Thomas J Black, Jr (7 out of 8 patents)

5. Philip Stahl (6 out of 6 patents)

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