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For the Inventor, By the Inventor

Mattoon, IL, United States of America

Blaw-Knox Construction Equipment Corporation

USPTO Granted Patents = 22

% Expired Patents = 27.3


Trademarks = 2

Forward Citations = 566

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32 inventors (with patents filed for the assignee):

goldMedal Adrian Baker (5 out of 5 patents)

silverMedal Thomas A Roth (3 out of 9 patents)

bronzeMedal Ted E Holmes (3 out of 6 patents)

4.  Craig L Snyder (3 out of 10 patents)

5.  Timothy D Williams (2 out of 2 patents)

6.  William R Schwelitz (2 out of 2 patents)

7.  Leonard E Speers (2 out of 3 patents)

8.  Garry Bowhall (2 out of 2 patents)

9.  Kerry Malone (2 out of 2 patents)

10.  Mark D Koelm (1 out of 1 patent)

11.  Stephen H Malehorn (1 out of 1 patent)

12.  Shane Kruse (1 out of 1 patent)

13.  Jason P Wiese (1 out of 1 patent)

14.  Ben J Huisman (1 out of 1 patent)

15.  Terry K Olson (1 out of 1 patent)


22 patents:

1. 6832872 - Gas discharge device for a construction vehicle (2004-12-21),
2. 6802667 - Material anti-segregation curtain for a paver (2004-10-12),
3. 6749364 - Temperature sensing for controlling paving and compaction operations (2004-06-15),
4. 6712549 - Double-axis oscillating bogie wheels (2004-03-30),
5. 6688450 - Mobile conveyor for paving vehicles (2004-02-10),
6. 6551021 - Screed plate interlock (2003-04-22),
7. 6551018 - Apparatus for tamping paving material (2003-04-22),
8. 6390283 - Cast auger gating interface (2002-05-21),
9. 6386352 - Swing conveyor assembly (2002-05-14),
10. 6334735 - Controller for a paving screed heating system (2002-01-01),
11. 6273636 - Edge-forming device for a screed assembly (2001-08-14),
12. 6158921 - Screed extension with independently adjustable angle of attack (2000-12-12),
13. 6123399 - Mobile construction vehicle driven by track assemblies using continuous (2000-09-26),
14. 6106192 - Flow modifying device for paving screeds with extendible sections (2000-08-22),
15. 6030058 - Mobile construction vehicle driven by track assemblies using continuous (2000-02-29),
Company Overview
Blaw-Knox Construction Equipment Corporation, based in Mattoon, Illinois, specializes in the development and manufacturing of high-quality construction equipment. The company is known for its innovative solutions in the paving and road construction sectors, focusing on asphalt and concrete machinery. With a commitment to engineering excellence, Blaw-Knox integrates advanced technology into its products to enhance performance and efficiency, serving a diverse range of clients across the construction industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#1 in Mattoon, IL

#780 in Illinois

#15,051 in US

#28,807 in the World

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

Blaw-Knox Construction Equipment Corporation

Forward Citations = 566

32 inventors:

goldMedal Adrian Baker (5 out of 5 patents)

silverMedal Thomas A Roth (3 out of 9 patents)

bronzeMedal Ted E Holmes (3 out of 6 patents)

4.  Craig L Snyder (3 out of 10 patents)

5.  Timothy D Williams (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Blaw-Knox Construction Equipment Corporation. Retrieved from https://idiyas.com/company/blaw-knox-construction-equipment

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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