For the Inventor, By the Inventor

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Plymouth, MI, United States of America

Avl Test Systems, Inc.

Calculating rank

USPTO Granted Patents = 20

% Expired Patents = 25.0

EPO Patents = 9

Trademarks = 6

Forward Citations = 19

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19 inventors (with patents filed for the assignee):

James Patrick Williamson (10 out of 15 patents)

William Martin Silvis (9 out of 31 patents)

Benjamin C Shade (4 out of 6 patents)

4. Jonathan D Bushkuhl (3 out of 3 patents)

5. Gerald Marek (3 out of 14 patents)

6. Stephen P Gibson (2 out of 5 patents)

7. Frank Berghof (1 out of 1 patent)

8. Ali Ganjidoost (1 out of 1 patent)

9. Colin Chisholm (1 out of 1 patent)

10. Kenneth Cooper Barnes (1 out of 1 patent)

11. Sarah Montgomery Kingham (1 out of 1 patent)

12. Douglas Edward Miller, Jr (1 out of 1 patent)

13. Roland Wanker (1 out of 1 patent)

14. Ken Barnes (1 out of 4 patents)

15. Eugene Mondrusov (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12259295 - System and method for controlling an electronic display to guide a driver when executing distance-based drive cycles (2025-03-25),

2. 11692517 - System and method for determining a fuel vapor concentration in a canister of a vehicle evaporative emissions system and for evaluating the canister based on the fuel vapor concentration (2023-07-04),

3. 11300487 - System and method for controlling the flow rate of dilution air through a porous wall in an exhaust sampling system (2022-04-12),

4. 11143644 - System and method for determining a contamination level in an emissions measurement device or system (2021-10-12),

5. 11131605 - System and method for collecting exhaust samples for an emissions test system (2021-09-28),

6. 10921220 - Intelligent bag filling for exhaust sampling system (2021-02-16),

7. 10865743 - System and method for determining a fuel vapor concentration in a canister of a vehicle evaporative emissions system and for evaluating the canister based on the fuel vapor concentration (2020-12-15),

8. 10724924 - System and method for determining whether an engine is on or off based on a pressure of exhaust gas produced by the engine (2020-07-28),

9. 10656050 - System and method for detecting a leak in an exhaust gas sampling apparatus (2020-05-19),

10. 10520480 - Deconvolution method for emissions measurement (2019-12-31),

11. 10422726 - Intelligent bag filling for exhaust sampling system (2019-09-24),

12. 10151670 - CVS system sample water vapor management (2018-12-11),

13. 9829413 - Emissions measurement equipment and method (2017-11-28),

14. 9752961 - Dual-purpose dynamometer (2017-09-05),

15. 9518897 - Intelligent bag filling for exhaust sampling system (2016-12-13),

Company Overview

AVL Test Systems, Inc. is a prominent player in the field of automotive engineering, specializing in advanced testing and simulation solutions. The company focuses on developing innovative technologies that enhance the performance and efficiency of vehicles, particularly in the areas of powertrain, emissions, and fuel consumption. Headquartered in Plymouth, MI, AVL is dedicated to supporting the automotive industry with cutting-edge tools and expertise, contributing to the evolution of sustainable mobility and compliance with regulatory standards.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

20 Patents

#20 in Plymouth, MI

#589 in Michigan

#16,416 in US

#31,315 in the World

Plymouth, MI, United States of America

Avl Test Systems, Inc.

Forward Citations = 19

19 inventors:

James Patrick Williamson (10 out of 15 patents)

William Martin Silvis (9 out of 31 patents)

Benjamin C Shade (4 out of 6 patents)

4. Jonathan D Bushkuhl (3 out of 3 patents)

5. Gerald Marek (3 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Avl Test Systems, Inc.. Retrieved from https://idiyas.com/company/avl-test-systems

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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