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For the Inventor, By the Inventor

Toledo, OH, United States of America

Apx Group, Inc.

Calculating rank
USPTO Granted Patents = 14

Trademarks = 1

Forward Citations = 249

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13 inventors (with patents filed for the assignee):

goldMedal Jon W Harwood (6 out of 40 patents)

silverMedal James E Gerber (6 out of 10 patents)

bronzeMedal Michael W Clegg (4 out of 12 patents)

4.  Donald P Harter (3 out of 3 patents)

5.  Gerald R Trudell (2 out of 5 patents)

6.  James R Hall (2 out of 2 patents)

7.  Dennis W Barber (2 out of 2 patents)

8.  Theodore F Kraska (2 out of 2 patents)

9.  Clinton R Hay (2 out of 2 patents)

10.  Robert J Kovacs (2 out of 2 patents)

11.  Willy Herrmann (2 out of 2 patents)

12.  Mark C Treadwell (1 out of 1 patent)

13.  Perry A Main (1 out of 2 patents)


14 patents:

1. 4619292 - Air gap pipe (1986-10-28),
2. 4590652 - Method for fabricating an air gap pipe (1986-05-27),
3. 4558721 - Double walled tubing (1985-12-17),
4. 4545605 - Welded tube and flange, e.g., for exhaust manifold (1985-10-08),
5. 4537027 - Hybrid exhaust manifold (1985-08-27),
6. 4530231 - Method and apparatus for expanding tubular members (1985-07-23),
7. 4516659 - Replacement muffler and process for making same (1985-05-14),
8. 4501302 - Air gap pipe (1985-02-26),
9. 4500030 - Flange weld technique (1985-02-19),
10. 4486932 - Process for making a replacement muffler (1984-12-11),
11. 4483061 - Double walled tubing and process for producing same (1984-11-20),
12. 4478310 - Universal heat shield (1984-10-23),
13. 4475623 - Universal muffler assembly (1984-10-09),
14. 4473131 - Threaded muffler nipple and bushing (1984-09-25),
Company Overview
Apx Group, Inc. is a Toledo, Ohio-based company specializing in advanced technology solutions and engineering services. The organization focuses on developing innovative products and systems across various sectors, including automotive, aerospace, and industrial applications. Apx Group is committed to enhancing performance and efficiency through cutting-edge research and development, leveraging expertise in areas such as materials science, software engineering, and systems integration to meet the evolving needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#32 in Toledo, OH

#940 in Ohio

#22,344 in US

#42,312 in the World

Toledo, OH (US)
Toledo, OH, United States of America

Apx Group, Inc.

Forward Citations = 249

13 inventors:

goldMedal Jon W Harwood (6 out of 40 patents)

silverMedal James E Gerber (6 out of 10 patents)

bronzeMedal Michael W Clegg (4 out of 12 patents)

4.  Donald P Harter (3 out of 3 patents)

5.  Gerald R Trudell (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Apx Group, Inc.. Retrieved from https://idiyas.com/company/apx-group

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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