For the Inventor, By the Inventor

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Plymouth, MI, United States of America

Avl North America, Inc.

USPTO Granted Patents = 26

EPO Patents = 2

Forward Citations = 164

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18 inventors (with patents filed for the assignee):

William Martin Silvis (15 out of 31 patents)

Norbert Kreft (13 out of 17 patents)

Gerald Marek (11 out of 14 patents)

4. James Patrick Williamson (5 out of 15 patents)

5. Wolfgang Schindler (4 out of 15 patents)

6. Nicholas Michael Zayan (3 out of 9 patents)

7. Ken Barnes (3 out of 4 patents)

8. Stephen R W Cooper (2 out of 25 patents)

9. Mark S Rauchfuss (2 out of 2 patents)

10. Joseph McDonald (1 out of 3 patents)

11. Peter Posch (1 out of 1 patent)

12. Wolfgang Kopecky (1 out of 1 patent)

13. Walter Orth (1 out of 1 patent)

14. Shahin Sabokdast Nudehi (1 out of 1 patent)

15. Juergen Neugebauer (1 out of 1 patent)

26 patents: Sort by Forward Citations

1. 8607548 - SCR ammonia slip detection (2013-12-17),

2. 8186206 - Polymer base for hybrid powertrain and NVH test installations (2012-05-29),

3. 8181543 - CVS system sample water vapor management (2012-05-22),

4. 7610819 - Transmission headstock for test stands (2009-11-03),

5. 7607335 - Particulate sampler system flow calibration (2009-10-27),

6. 7574307 - Engine exhaust emissions measurement correction (2009-08-11),

7. 7565846 - Particulate sampler and dilution gas flow device arrangement for an exhaust sampling system (2009-07-28),

8. 7559262 - CVS system sample water vapor management (2009-07-14),

9. 7555928 - Exhaust volume measurement device (2009-07-07),

10. 7340940 - Particulate deposit avoidance and probe positioning (2008-03-11),

11. 7293454 - Anti-aliasing acoustic filter in the presence of pulsating flow (2007-11-13),

12. 7213449 - Flat track chassis dynamometer (2007-05-08),

13. 7191671 - Particulate deposit avoidance and probe positioning (2007-03-20),

14. 7141090 - Active filter temperature control (2006-11-28),

15. 7055364 - Exhaust volume measurement device (2006-06-06),

AVL North America, Inc. is a leading provider of advanced engineering solutions for the automotive industry. With a strong focus on engineering, manufacturing, and testing services, AVL North America works closely with its clients to develop innovative solutions to meet their specific needs. With a comprehensive portfolio of tools, products, and services, AVL North America helps automotive companies optimize their development processes and improve overall efficiency.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

26 Patents

#17 in Plymouth, MI

#454 in Michigan

#12,424 in US

#24,051 in the World

Plymouth, MI, United States of America

Avl North America, Inc.

Forward Citations = 164

18 inventors:

William Martin Silvis (15 out of 31 patents)

Norbert Kreft (13 out of 17 patents)

Gerald Marek (11 out of 14 patents)

4. James Patrick Williamson (5 out of 15 patents)

5. Wolfgang Schindler (4 out of 15 patents)

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