Expert Engineering. Proven Results.

Inpro/Seal is the world leader in the design and manufacture of permanent bearing protection and complete shaft sealing solutions. Our dedicated engineering team employs years of application expertise, field experience and strong customer relationships to guarantee a proven custom-engineered solution for your equipment and operating environment.

Driving Innovation

Since inventing the original Bearing Isolator in 1977, we have maintained a leadership position through innovative thinking, expert engineering and robust product development. For over 40 years, Inpro/Seal has developed breakthrough technologies that drive industry standards and expectations.

We offer experience you can trust:

  • Over 90,000 engineering product designs for rotating equipment
  • 79 patents on product technologies and features
    • 30 patents related to bearing protection
    • 49 patents related to shaft seals

Industry Leading Product Testing and Development

We’ve combined extensive application experience and field-testing with a robust development process to deliver the best performing products – guaranteed. As a part of Dover Precision Components, an operating company of Dover Corporation, we are dedicated to an ongoing investment in product testing and development, ensuring the best sealing and shaft grounding solutions available.

Our state-of-the-art research and development laboratory in Rock Island, IL, USA provides industry leading testing to guarantee product performance out of the box and in the field.