Trademarks = 2

Forward Citations = 53

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2 inventors (with patents filed for the assignee):

Alan J Brown (4 out of 15 patents)

Joerg A Bleeck (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5676748 - Bulking and opacifying fillers for paper and paper board (1997-10-14),

2. 5676747 - Calcium carbonate pigments for coating paper and paper board (1997-10-14),

3. 5676746 - Agglomerates for use in making cellulosic products (1997-10-14),

4. 5653795 - Bulking and opacifying fillers for cellulosic products (1997-08-05),

5. 4606503 - Process for wet grinding of natural and synthetic carbonates (1986-08-19),

Company Overview

Columbia River Carbonates is a leading supplier of calcium carbonate products in the Pacific Northwest. With a commitment to quality and customer service, they provide a wide range of products for various industries including agriculture, construction, and pharmaceuticals. Their state-of-the-art production facilities ensure consistency and reliability in their products, making them a trusted partner for businesses looking for high-quality calcium carbonate solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#3 in Woodland, WA

#1,240 in Washington

#51,644 in US

Woodland, WA, United States of America

Columbia River Carbonates

Forward Citations = 53

2 inventors:

Alan J Brown (4 out of 15 patents)

Joerg A Bleeck (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Columbia River Carbonates. Retrieved from https://idiyas.com/company/columbia-river-carbonates

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]