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For the Inventor, By the Inventor

Muskegon, MI, United States of America

Nai Anchorlok Inc.


USPTO Granted Patents = 16

Trademarks = 1

Forward Citations = 167

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7 inventors (with patents filed for the assignee):

goldMedal William C Pierce (12 out of 43 patents)

silverMedal Steven M Stojic (6 out of 13 patents)

bronzeMedal William J Hicks (3 out of 24 patents)

4.  Raymond D Subdon (2 out of 2 patents)

5.  John Pearson Smith (1 out of 11 patents)

6.  Wiliam C Pierce (1 out of 2 patents)

7.  John P Bowyer (1 out of 1 patent)


16 patents:

1. 5799564 - Spring brake actuator having two-ply pressure plate assembly (1998-09-01),
2. 5771774 - Spring brake actuator having plastic pressure plate assembly (1998-06-30),
3. 5725076 - Spring brake actuator and caging bolt therefor (1998-03-10),
4. 5722311 - Fluid-operated brake actuator with spring chamber isolation (1998-03-03),
5. 5713238 - Spring brake actuator with spring force measurement (1998-02-03),
6. 5664478 - Spring brake actuator with corrosion fuses (1997-09-09),
7. 5655431 - Spring brake actuator, caging bolt assembly therefor, and method of (1997-08-12),
8. 5649469 - Stroke indicator for an air-operated combination diaphragm spring brake (1997-07-22),
9. 5640893 - Spring brake actuator with guide and bearing for an actuator rod (1997-06-24),
10. 5526732 - Spring brake actuator and reaction plate anchor (1996-06-18),
11. 5460076 - Fluid-operated brake actuator with internal check valve (1995-10-24),
12. 5377579 - Fluid-operated spring brake atuator with funnel-shaped pressure plate (1995-01-03),
13. 5372059 - Fluid operated brake actuator with internal valve (1994-12-13),
14. 5353688 - Tamper-resistant brake actuator (1994-10-11),
15. 5345858 - Spring brake actuator with a pressure plate bearing for a caging tool (1994-09-13),
Company Overview
Nai Anchorlok Inc., based in Muskegon, MI, specializes in advanced fastening solutions and innovative anchoring technologies. The company focuses on developing products that enhance structural integrity and safety across various applications, including construction and industrial sectors. With a commitment to research and development, Nai Anchorlok aims to deliver high-performance solutions that meet the evolving needs of its clients, ensuring reliability and efficiency in fastening systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#9 in Muskegon, MI

#714 in Michigan

#19,935 in US

#37,868 in the World

Muskegon, MI (US)
Muskegon, MI, United States of America

Nai Anchorlok Inc.

Forward Citations = 167

7 inventors:

goldMedal William C Pierce (12 out of 43 patents)

silverMedal Steven M Stojic (6 out of 13 patents)

bronzeMedal William J Hicks (3 out of 24 patents)

4.  Raymond D Subdon (2 out of 2 patents)

5.  John Pearson Smith (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nai Anchorlok Inc.. Retrieved from https://idiyas.com/company/nai-anchorlok

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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