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For the Inventor, By the Inventor

Rockton, IL, United States of America

Paperchine, Inc.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 27.3


Trademarks = 3

Forward Citations = 26

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13 inventors (with patents filed for the assignee):

goldMedal James Leroy Ewald (5 out of 6 patents)

silverMedal Douglas R McPherson (2 out of 8 patents)

bronzeMedal 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:

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),
Company Overview
Paperchine, Inc. is a specialized manufacturer based in Rockton, Illinois, focusing on innovative solutions for the paper and packaging industries. The company develops advanced machinery and equipment designed to enhance production efficiency and product quality. With a commitment to research and development, Paperchine leverages cutting-edge technology to address the evolving needs of its clients, ensuring they remain competitive in a dynamic market. Their expertise spans various aspects of paper processing and converting, making them a key player in the industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

11 Patents

#2 in Rockton, IL

#1,336 in Illinois

#27,540 in US

#51,831 in the World

Rockton, IL (US)
Rockton, IL, United States of America

Paperchine, Inc.

Forward Citations = 26

13 inventors:

goldMedal James Leroy Ewald (5 out of 6 patents)

silverMedal Douglas R McPherson (2 out of 8 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Paperchine, Inc.. Retrieved from https://idiyas.com/company/paperchine

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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