For the Inventor, By the Inventor

Enter assignee name

Montgomery, IL, United States of America

Zeftek, Inc.

USPTO Granted Patents = 41

CIPO Patents = 6

Trademarks = 3

Forward Citations = 628

Loading Chart...

Loading Chart...

21 inventors (with patents filed for the assignee):

Michael K Burke (25 out of 54 patents)

John D Anderson (22 out of 82 patents)

Walter J Peach (13 out of 67 patents)

4. Richard F Murphy (9 out of 23 patents)

5. Walter J Peach, Jr (6 out of 7 patents)

6. Michael K Murphy (4 out of 10 patents)

7. Daniel L Hart (3 out of 3 patents)

8. W Matthew Tonn (1 out of 1 patent)

9. Jake C Pedersen (1 out of 1 patent)

41 patents: Sort by Forward Citations

1. 7571685 - Freight railroad car reflector (2009-08-11),

2. D541700 - Freight railroad car reflector (2007-05-01),

3. D541193 - Freight railroad car reflector (2007-04-24),

4. 7150592 - Supplemental restraint for auto-rack railroad car restraint system (2006-12-19),

5. 7128508 - Supplemental restraint for auto-rack railroad car restraint system (2006-10-31),

6. 7004696 - Supplemental restraint for auto-rack railroad car restraint system (2006-02-28),

7. 6964233 - Beam isolator (2005-11-15),

8. 6926480 - Supplemental restraint for auto-rack railroad car restraint system (2005-08-09),

9. D497838 - Railroad car brake beam wear plate having one or more tapered walls (2004-11-03),

10. 6792874 - Railroad car center plate assembly conductive liner (2004-09-21),

11. 6786160 - Beam isolator (2004-09-07),

12. 6708625 - Greaseless door lock (2004-03-23),

13. 6561740 - Auto rack railroad car panel bumper guard (2003-05-13),

14. 6553917 - Auto rack railroad car bumper guard device (2003-04-29),

15. 6527311 - Door lock for a railroad car (2003-03-04),

ZefTek, Inc. is a technology solutions company specializing in software development, web design, and digital marketing. With a team of experienced professionals, we provide innovative and customized solutions to help businesses achieve their goals. Our expertise ranges from building user-friendly websites to developing scalable software applications. Visit our website to learn more about our services and how we can assist you in leveraging technology for your success.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

41 Patents

#2 in Montgomery, IL

#451 in Illinois

#8,156 in US

#16,191 in the World

Montgomery, IL, United States of America

Zeftek, Inc.

Forward Citations = 628

21 inventors:

Michael K Burke (25 out of 54 patents)

John D Anderson (22 out of 82 patents)

Walter J Peach (13 out of 67 patents)

4. Richard F Murphy (9 out of 23 patents)

5. Walter J Peach, Jr (6 out of 7 patents)

Please report any incorrect information to support@idiyas.com

Loading…