For the Inventor, By the Inventor

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Rockton, IL, United States of America

Paperchine, Inc.

USPTO Granted Patents = 11

EPO Patents = 2

Trademarks = 3

Forward Citations = 24

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16 inventors (with patents filed for the assignee):

James Leroy Ewald (5 out of 6 patents)

Douglas R McPherson (2 out of 8 patents)

Gregory Michael Welcher (2 out of 2 patents)

4. Ralph Prescott (1 out of 2 patents)

5. George C Mendrala (1 out of 2 patents)

6. Jay A Shands (1 out of 3 patents)

7. Laurie D Wicks (1 out of 3 patents)

8. Greg Weicher (1 out of 1 patent)

9. Timothy J Brackett (1 out of 1 patent)

10. Thomas A Grunder (1 out of 1 patent)

11. Philip W Smith (1 out of 5 patents)

12. James Smith (1 out of 1 patent)

13. James A Ronning (1 out of 3 patents)

14. Manfred Diebel (0 patent)

15. Douglas Mcpherson (0 patent)

11 patents: Sort by Forward Citations

1. 9909850 - Device for simultaneously measuring headbox slice opening and setback in a papermaking machine (2018-03-06),

2. 9708766 - Cover device for a drainage apparatus for a papermaking machine (2017-07-18),

3. 9422665 - Headbox apparatus (2016-08-23),

4. 9404588 - Vacuum control valve for vacuum drainage system (2016-08-02),

5. 8795473 - Tube bank apparatus for distributing stock (2014-08-05),

6. 8353219 - Dryer felt tension indicator apparatus (2013-01-15),

7. 8075737 - Headbox apparatus for a papermaking machine (2011-12-13),

8. 7955474 - Tube bank apparatus for distributing stock (2011-06-07),

9. 7879192 - Multiply former apparatus (2011-02-01),

10. 7823531 - Control apparatus (2010-11-02),

11. 7794570 - Headbox apparatus for a papermaking machine (2010-09-14),

Paperchine is a global supplier of innovative papermaking equipment and systems, offering a wide range of products including headboxes, forming sections, press sections, dryers, and more. With a focus on sustainability and efficiency, Paperchine helps paper mills optimize their production processes while reducing environmental impact. The company is known for its high-quality solutions and excellent customer service, serving clients worldwide in the paper industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#2 in Rockton, IL

#1,297 in Illinois

#26,680 in US

#50,159 in the World

Rockton, IL, United States of America

Paperchine, Inc.

Forward Citations = 24

16 inventors:

James Leroy Ewald (5 out of 6 patents)

Douglas R McPherson (2 out of 8 patents)

Gregory Michael Welcher (2 out of 2 patents)

4. Ralph Prescott (1 out of 2 patents)

5. George C Mendrala (1 out of 2 patents)

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