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For the Inventor, By the Inventor

Federal Way, WA, United States of America

Weyerhaeuser Company Limited

Calculating rank
USPTO Granted Patents = 664

% Expired Patents = 14.3



Trademarks = 38

Forward Citations = 17,148

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528 inventors (with patents filed for the assignee):

goldMedal Amar N Neogi (55 out of 82 patents)

silverMedal Michael R Hansen (44 out of 50 patents)

bronzeMedal Richard A Jewell (40 out of 44 patents)

4.  Richard H Young, Sr (37 out of 43 patents)

5.  Mengkui Luo (31 out of 57 patents)

6.  Herbert D Muise (22 out of 24 patents)

7.  John A Westland (18 out of 23 patents)

8.  William C Carlson (17 out of 32 patents)

9.  David W Park (17 out of 26 patents)

10.  Peter A Graef (17 out of 23 patents)

11.  Brian Wester (16 out of 17 patents)

12.  James E Sealey, Ii (15 out of 18 patents)

13.  Vincent A Roscelli (15 out of 18 patents)

14.  Michael James Yancey (15 out of 17 patents)

15.  Jeffrey E Hartle (14 out of 26 patents)


Core Competencies:
Organic Biocide
Manufactured Wood Products
Dimensional Stability
Timberland Management
Plant Embryos
Cellulose Fibers
Crosslinked Polymers
Biostability
Densified Fiber
Vacuum Pick-Up
Lyocell Fiber
Container Design

664 patents:

1. 7785896 - Methods for determining organic biocide concentration in a composite wood product (2010-08-31),
2. 7575034 - Locking assembly for a manufactured wood products press (2009-08-18),
3. 7530197 - Automated system and method for harvesting and multi-stage screening of plant embryos (2009-05-12),
4. 7474964 - Identifying vegetation attributes from LiDAR data (2009-01-06),
5. 7455902 - Mixed polymer superabsorbent fibers (2008-11-25),
6. 7452722 - Methods for developing conifer somatic embryos (2008-11-18),
7. 7452573 - Method of making a barrier material (2008-11-18),
8. 7452200 - Briquetting die for dispersible fiber briquettes (2008-11-18),
9. 7451696 - Press unit for a manufactured wood product press (2008-11-18),
10. 7451569 - Use of a low nitrogen fertilizer to propagate shoots from a log (2008-11-18),
11. 7412932 - Methods of managing timberland (2008-08-19),
12. 7399377 - Process for singulating cellulose fibers from a wet pulp sheet (2008-07-15),
13. 7398913 - Combo bin bag catch and method of use (2008-07-15),
14. 7396435 - Method for conveying, mixing, and leveling dewatered pulp prior to drying (2008-07-08),
15. 7393905 - Crosslinked mixed carboxylated polymer network (2008-07-01),
Company Overview
Weyerhaeuser Company Limited, headquartered in Federal Way, WA, is a leader in the development and manufacturing of composite wood products. The company specializes in innovative solutions that enhance the performance and sustainability of wood materials, focusing on core technology areas such as organic biocides, dimensional stability, and biostability. With a commitment to responsible timberland management, Weyerhaeuser integrates advanced research in cellulose fibers and crosslinked polymers to deliver high-quality manufactured wood products for various applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Weyerhaeuser Company Limited USPTO Patent Assignee Logo
664 Patents

#1 in Federal Way, WA

#12 in Washington

#760 in US

#1,503 in the World

Federal Way, WA (US)
Federal Way, WA, United States of America

Weyerhaeuser Company Limited

Forward Citations = 17,148

528 inventors:

goldMedal Amar N Neogi (55 out of 82 patents)

silverMedal Michael R Hansen (44 out of 50 patents)

bronzeMedal Richard A Jewell (40 out of 44 patents)

4.  Richard H Young, Sr (37 out of 43 patents)

5.  Mengkui Luo (31 out of 57 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Weyerhaeuser Company Limited. Retrieved from https://idiyas.com/company/weyerhaeuser-company

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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