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For the Inventor, By the Inventor

Rock Island, IL, United States of America

Inpro Companies, Inc.


USPTO Granted Patents = 11

Trademarks = 3

Forward Citations = 332

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2 inventors (with patents filed for the assignee):

goldMedal David C Orlowski (11 out of 46 patents)

silverMedal Heinz P Bloch (1 out of 1 patent)


11 patents:

1. 6311984 - Bearing isolator (2001-11-06),
2. 5951020 - Bearing isolator (1999-09-14),
3. 5498006 - Pinned unitary bearing seal (1996-03-12),
4. 5378000 - Shaft seal assembly (1995-01-03),
5. 5335921 - Bearing alignment device for pillow blocks (1994-08-09),
6. 5221095 - Static and dynamic shaft seal assembly (1993-06-22),
7. 5161804 - Magnetic seal (1992-11-10),
8. 5158304 - Captured rotor seal (1992-10-27),
9. 5137049 - Pressure relief valve (1992-08-11),
10. 5069461 - Static and dynamic shaft seal assembly (1991-12-03),
11. 4989883 - Static and dynamic shaft seal assembly (1991-02-05),
Inpro Companies, Inc. is a leading provider of architectural products and solutions for protecting buildings and the people who use them. With a focus on design, innovation, and customer service, Inpro offers a wide range of products including door and wall protection, bathroom partitions, expansion joint systems, and more. Their goal is to create safe, efficient, and aesthetically pleasing environments for their clients.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#2 in Rock Island, IL

#1,297 in Illinois

#26,680 in US

#50,159 in the World

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Rock Island, IL, United States of America

Inpro Companies, Inc.

Forward Citations = 332

2 inventors:

goldMedal David C Orlowski (11 out of 46 patents)

silverMedal Heinz P Bloch (1 out of 1 patent)

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