% Expired Patents = 20.0

Trademarks = 6

Forward Citations = 49

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4 inventors (with patents filed for the assignee):

Robert A Walker, Jr (2 out of 6 patents)

Robert Walker (1 out of 1 patent)

Michael J DeLillo (1 out of 2 patents)

4. Robert A Walker (1 out of 20 patents)

5 patents: Sort by Forward Citations

1. 9611822 - Air filter and silencer (2017-04-04),

2. 8500398 - Turbocharger heat shield (2013-08-06),

3. 7964011 - Multi-throat air filter (2011-06-21),

4. 6422224 - Remote air-oil separator (2002-07-23),

5. 5347973 - Vacuum relief valve (1994-09-20),

Walker Design, Inc. is a leading design firm specializing in creating innovative and sustainable solutions for commercial and residential spaces. With over 20 years of experience, our team of talented designers and architects are dedicated to delivering high-quality, unique designs that exceed our clients' expectations. From concept development to final execution, we prioritize collaboration and attention to detail to ensure the success of every project.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#11 in Sun Valley, CA

#12,057 in California

#51,569 in US

Sun Valley, CA, United States of America

Walker Design, Inc.

Forward Citations = 49

4 inventors:

Robert A Walker, Jr (2 out of 6 patents)

Robert Walker (1 out of 1 patent)

Michael J DeLillo (1 out of 2 patents)

4. Robert A Walker (1 out of 20 patents)

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