Forward Citations = 88

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13 inventors (with patents filed for the assignee):

Richard T King (2 out of 7 patents)

Elmer Christensen (2 out of 2 patents)

Kenneth M Cage (2 out of 2 patents)

4. Adrian Artiano (2 out of 2 patents)

5. Donald H Hanson (2 out of 2 patents)

6. Darrell N Halgrimson (2 out of 2 patents)

7. Bernard R Bader (1 out of 3 patents)

8. Frank J Steffes (1 out of 3 patents)

9. John H Burk (1 out of 3 patents)

10. C Warren Turner (1 out of 1 patent)

11. Henry W Joselovitz (1 out of 1 patent)

12. Darrell H Halgrimson (1 out of 1 patent)

13. John A Wallace (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4452694 - Apparatus for selective sorting of material chips (1984-06-05),

2. 4440088 - Fabric insertion system (1984-04-03),

3. 4412297 - Ultrasonic log scanning and orientation system (1983-10-25),

4. 4356850 - Veneer lathe scanning system (1982-11-02),

5. 4352431 - Apparatus for sorting contaminant material from processing material (1982-10-05),

6. 4147620 - Method and apparatus for sorting contaminant material from processing (1979-04-03),

7. 4126280 - Impact crusher (1978-11-21),

8. 4122006 - Screening apparatus (1978-10-24),

9. 4102232 - Saw tooth insert (1978-07-25),

Company Overview

Black Clawson, Inc. is a leading manufacturer of high-quality industrial equipment for the pulp and paper industry. With over 80 years of experience, the company offers a wide range of products including paper machines, stock preparation equipment, and pulp processing machinery. Black Clawson is known for their innovative solutions, reliable performance, and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#14 in Everett, WA

#755 in Washington

#32,605 in US

Everett, WA, United States of America

Black Clawson, Inc.

Forward Citations = 88

13 inventors:

Richard T King (2 out of 7 patents)

Elmer Christensen (2 out of 2 patents)

Kenneth M Cage (2 out of 2 patents)

4. Adrian Artiano (2 out of 2 patents)

5. Donald H Hanson (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Black Clawson, Inc.. Retrieved from https://idiyas.com/company/black-clawson

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]