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For the Inventor, By the Inventor

Montgomery, IL, United States of America

Zeftek, Inc.


USPTO Granted Patents = 41

% Expired Patents = 4.9


Trademarks = 3

Forward Citations = 634

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9 inventors (with patents filed for the assignee):

goldMedal Michael K Burke (25 out of 54 patents)

silverMedal John D Anderson (22 out of 83 patents)

bronzeMedal Walter J Peach (13 out of 68 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)


Core Competencies:
Freight Railroad Car
Reflector
Restraint System
Brake Beam
Center Plate Assembly
Greaseless Door Lock
Auto Rack
Hatch Cover
Wear Plate
Knuckle Pin
Gap Closing Device
Sensing System

41 patents:

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),
Company Overview
Zeftek, Inc. is a specialized manufacturer based in Montgomery, Illinois, focusing on innovative solutions for the freight railroad industry. The company develops a range of products including freight railroad car reflectors, supplemental restraint systems, and various components designed to enhance safety and efficiency in rail operations. Their expertise extends to advanced technologies such as beam isolators, greaseless door locks, and cushioned brake beams, contributing to improved performance and reliability in rail transport.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Zeftek, Inc. USPTO Patent Assignee Logo
41 Patents

#2 in Montgomery, IL

#464 in Illinois

#8,439 in US

#16,706 in the World

Montgomery, IL (US)
Montgomery, IL, United States of America

Zeftek, Inc.

Forward Citations = 634

9 inventors:

goldMedal Michael K Burke (25 out of 54 patents)

silverMedal John D Anderson (22 out of 83 patents)

bronzeMedal Walter J Peach (13 out of 68 patents)

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

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

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

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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