Spring Line, Inc.

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 36

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2 inventors (with patents filed for the assignee):

Robert J Warner (4 out of 6 patents)

Emory J Clark (4 out of 4 patents)

4 patents: Sort by Forward Citations

1. 5433007 - Self-centering impact hand tool (1995-07-18),

2. 5426858 - Combination center punch and prick punch (1995-06-27),

3. D354663 - Impact hand tool (1995-01-24),

4. 5307741 - Impact hand stamping device (1994-05-03),

Company Overview

Spring Line, Inc. is a leading provider of innovative spring solutions for a variety of industries. With over 20 years of experience, we specialize in designing and manufacturing custom springs to meet our clients' unique requirements. Our state-of-the-art facilities and skilled team ensure high-quality products and timely delivery. Contact us today to learn how we can help with your spring needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#55 in Spokane, WA

#1,465 in Washington

#60,704 in US

Spokane, WA, United States of America

Spring Line, Inc.

Forward Citations = 36

2 inventors:

Robert J Warner (4 out of 6 patents)

Emory J Clark (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spring Line, Inc.. Retrieved from https://idiyas.com/company/spring-line

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]