Los Angeles, CA, United States of America

Seismic Structural Design Associates, Inc.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 66.7

Forward Citations = 105

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5 inventors (with patents filed for the assignee):

Ralph M Richard (6 out of 12 patents)

Clayton Jay Allen (6 out of 13 patents)

James E Partridge (4 out of 5 patents)

4. Rudolph E Radau, Jr (1 out of 8 patents)

5. Rudolph E Radau (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 10907374 - Retrofit designs for steel beam-to-column connections (2021-02-02),

2. 10697192 - Retrofit designs for steel beam-to-column connections (2020-06-30),

3. 9353525 - Semi-rigid connections for braced frames (2016-05-31),

4. 8365476 - Braced frame force distribution connection (2013-02-05),

5. 7047695 - Steel frame stress reduction connection (2006-05-23),

6. 5680738 - Steel frame stress reduction connection (1997-10-28),

Company Overview

Seismic Structural Design Associates, Inc. is a leading engineering firm specializing in seismic design and analysis. With a team of experienced engineers, we provide innovative solutions for the structural design of buildings and infrastructure to ensure their safety and resilience against seismic events. Our expertise and commitment to quality have made us a trusted partner for clients seeking reliable seismic design services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#318 in Los Angeles, CA

#10,583 in California

#45,030 in US

Los Angeles, CA, United States of America