Merrimack, NH, United States of America

Kuldip Raj


Average Co-Inventor Count = 1.8

ph-index = 20

Forward Citations = 943(Granted Patents)

Forward Citations (Not Self Cited) = 877(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Medford, MA (US) (1981)
  • Merrimac, NH (US) (1995 - 1999)
  • Merrimack, NH (US) (1981 - 2013)

Company Filing History:


Years Active: 1981-2013

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Areas of Expertise:
Ferrofluid Seal
Ferrofluid Sensor
Ferrofluid Composition
Ferrofluid Pressure Sensor
Magnetic Fluid Seal
Electrically Conductive Ferrofluid
Ferrofluid Bearing Assembly
Ferrofluid Sculpting Apparatus
High-Pressure Ferrofluid Seal
Non-Bursting Ferrofluid Seal
Ferrofluid Rotary-Shaft Seal
Ferrofluid Inclinometer
53 patents (USPTO):Explore Patents

Title: Kuldip Raj: Master Innovator in Rotary Feedthroughs and Ferrofluid Seals

Introduction:

In the fast-paced world of innovations, some individuals stand out for their exceptional contributions to technological advancements. Kuldip Raj, based in Merrimack, NH, is one such distinguished figure. With an impressive portfolio of 53 patents and a knack for developing cutting-edge rotary feedthroughs and ferrofluid seals, Raj has made a significant impact in his field. Let's delve into his latest patents, career highlights, notable collaborations, and conclude with an appreciation for his innovative prowess.

Latest Patents:

Kuldip Raj's recent patents showcase his expertise in failure indicator seals for rotary feedthroughs and ferrofluid seals. One of his notable inventions is the "Failure Indicator Seal for a Rotary Feedthrough." This technology features a nonmagnetic housing, annular pole pieces, an annular non-conducting magnet, magnetic fluid O-ring seals, and a mechanism for measuring resistance. This invention allows for efficient monitoring and detection of any potential failures in rotary feedthroughs.

Another remarkable patent by Raj is his "Ferrofluid Seal Incorporating Multiple Types of Ferrofluid." This invention consists of a multi-stage ferrofluid rotary seal designed to establish a ferrofluid pressure-type seal between two environments. The incorporation of different magnetic fluids in various stages enhances the performance and versatility of the ferrofluid seal in different conditions.

Career Highlights:

Throughout his illustrious career, Kuldip Raj has showcased his innovative spirit and engineering prowess. With 53 patents to his name, his contributions have significantly impacted the field of rotary feedthroughs and ferrofluid seals. Raj's work in companies such as Ferrofluidics Corporation and Ferrotec Corporation (USA) paved the way for advancements in the field and established him as an expert in these domains.

Collaborations:

Kuldip Raj has had the privilege of working alongside esteemed colleagues in his pursuit of innovation. Notably, he has collaborated with Ronald Moskowitz and Hanumaiah L Gowda, who have contributed to the development of pioneering technologies. These collaborations have resulted in breakthrough advancements and further solidified Raj's position as a master innovator.

Conclusion:

Kuldip Raj's contributions to the field of rotary feedthroughs and ferrofluid seals have undoubtedly been remarkable. With 53 patents showcasing his inventive genius, Raj has left an indelible mark on the industry. Through his work at Ferrofluidics Corporation, Ferrotec Corporation (USA), and collaborations with renowned professionals, Raj has consistently pushed the boundaries of technological possibilities. His dedication to innovation and commitment to excellence make him a true pioneer in his field. We eagerly anticipate the next wave of inventions and patents that will undoubtedly emerge from the brilliant mind of Kuldip Raj.

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