Trademarks = 2

Forward Citations = 128

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4 inventors (with patents filed for the assignee):

Daniel L Comstock (2 out of 3 patents)

Lee A Durham (2 out of 2 patents)

Bryce P Anderson (1 out of 3 patents)

4. Mark A Warren (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5374357 - Filter media treatment of a fluid flow to remove colloidal matter (1994-12-20),

2. 5198116 - Method and apparatus for measuring the fouling potential of membrane (1993-03-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#38 in San Marcos, CA

#21,008 in California

#94,841 in US

San Marcos, CA, United States of America

D.w. Walker & Associates

Forward Citations = 128

4 inventors:

Daniel L Comstock (2 out of 3 patents)

Lee A Durham (2 out of 2 patents)

Bryce P Anderson (1 out of 3 patents)

4. Mark A Warren (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: D.w. Walker & Associates. Retrieved from https://idiyas.com/company/d-w-walker-and-associates

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]