Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
27 Patents
#16 in Rockford, IL
#656 in Illinois
#12,436 in US
#24,055 in the World
Estwing Manufacturing Company, Inc.
Forward Citations = 248
13 inventors:
Rockford, IL, United States of America
Estwing Manufacturing Company, Inc.
Calculating rank
% Expired Patents = 7.4
CIPO Patents = 2
Trademarks = 21
Forward Citations = 248
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13 inventors (with patents filed for the assignee):
Robert H Youngren (18 out of 18 patents)
Joshua D West (12 out of 12 patents)
Daniel M Eisman (7 out of 7 patents)
4. John W Ryan, Jr (5 out of 5 patents)
5. Bruce V Johnson (3 out of 11 patents)
6. Daniel Loveland (3 out of 3 patents)
7. Christopher Aiston (3 out of 7 patents)
8. Jack Harkins (3 out of 3 patents)
9. Steven M Flosi (2 out of 2 patents)
10. John W Ryan (2 out of 2 patents)
11. Timothy J Weir (1 out of 1 patent)
12. Steven L Flosi (1 out of 1 patent)
13. Mark Youngren (1 out of 1 patent)
14. Koji Imoto (1 out of 1 patent)
Core Competencies:
Hammer
Striking Tool
Machete
Aluminum Striking Tools
Nail Pulling Tool
Tool Handle
Grip Material
Weight Forward Head
27 patents:
Company Overview
Estwing Manufacturing Company, Inc. is a prominent manufacturer based in Rockford, Illinois, specializing in high-quality hand tools. The company is renowned for its durable hammers, axes, and other striking tools, which are designed for both professional and consumer use. Estwing emphasizes craftsmanship and innovation, ensuring that its products meet the rigorous demands of various industries, including construction and outdoor recreation. With a commitment to quality, Estwing continues to be a trusted name among tradespeople and DIY enthusiasts alike.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Estwing Manufacturing Company, Inc.. Retrieved from https://idiyas.com/company/estwing-manufacturing-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]
2 patents (CIPO):
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]
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]