For the Inventor, By the Inventor

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Springfield, VA, United States of America

Versar, Inc.

Calculating rank

USPTO Granted Patents = 14

% Expired Patents = 21.4

Trademarks = 6

Forward Citations = 102

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23 inventors (with patents filed for the assignee):

Jerry L Gore (3 out of 3 patents)

Bobby E Walls (3 out of 3 patents)

Gregory M Fillipi (3 out of 3 patents)

4. Robert G Shaver (3 out of 3 patents)

5. Anthony K Magerus (2 out of 2 patents)

6. William R Leake (2 out of 2 patents)

7. Gerard K Newman (1 out of 5 patents)

8. Michael Markels, Jr (1 out of 10 patents)

9. Christy Crowe (1 out of 1 patent)

10. Jan Goldberg (1 out of 1 patent)

11. Jerome B Strauss (1 out of 1 patent)

12. Kenneth Magerus (1 out of 1 patent)

13. Jay W Davis (1 out of 1 patent)

14. William F McKelvey (1 out of 1 patent)

15. Eugene L Olcott (1 out of 3 patents)

14 patents: Sort by Forward Citations

1. 6823879 - Apparatus for cleaning pipes (2004-11-30),

2. 6676768 - Methods, compositions and apparatus for cleaning surfaces (2004-01-13),

3. 6450182 - Methods, compositions and apparatus for cleaning pipes (2002-09-17),

4. 5088316 - Apparatus and method for testing material samples for gas diffusion (1992-02-18),

5. 4557920 - Process for making fuming nitric acid (1985-12-10),

6. 4468363 - Internal mold gating method and apparatus (1984-08-28),

7. 4444894 - Silicon carbide and carbon structures and method of making (1984-04-24),

8. 4279702 - Apparatus for making hollow carbon microspheres (1981-07-21),

9. 4279618 - Method and apparatus for analysis of total atmospheric sulfuric acid (1981-07-21),

10. 4229425 - Process for making hollow carbon microspheres (1980-10-21),

11. 4180211 - High temperature compressible support and gasket material (1979-12-25),

12. 4104395 - Method for controlling diameters of microcrystalline mineral fibers (1978-08-01),

13. 4075370 - Passivating metallic cuttings and turnings (1978-02-21),

14. 4018608 - Infra red photography with silver halide films using infrared and (1977-04-19),

Company Overview

Versar, Inc. is a diversified company specializing in providing innovative solutions in engineering, environmental services, and construction management. Headquartered in Springfield, Virginia, the organization focuses on delivering comprehensive project management and technical services to both government and commercial clients. Versar's expertise spans various sectors, including defense, infrastructure, and environmental sustainability, enabling it to address complex challenges and enhance operational efficiency across diverse geographic regions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

14 Patents

#7 in Springfield, VA

#377 in Virginia

#22,341 in US

#42,293 in the World

Springfield, VA, United States of America

Versar, Inc.

Forward Citations = 102

23 inventors:

Jerry L Gore (3 out of 3 patents)

Bobby E Walls (3 out of 3 patents)

Gregory M Fillipi (3 out of 3 patents)

4. Robert G Shaver (3 out of 3 patents)

5. Anthony K Magerus (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Versar, Inc.. Retrieved from https://idiyas.com/company/versar

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]

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