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For the Inventor, By the Inventor

Charlotte, NC, United States of America

Stemco Products, Inc.


USPTO Granted Patents = 30



Trademarks = 47

Forward Citations = 36

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55 inventors (with patents filed for the assignee):

goldMedal Daniel Trejo Jimenez (8 out of 13 patents)

silverMedal Paul Dolan (7 out of 10 patents)

bronzeMedal Mark N Gold (6 out of 14 patents)

4.  Jeffrey J Grossmann (6 out of 17 patents)

5.  Michael W Polidori (5 out of 8 patents)

6.  Lutz May (4 out of 58 patents)

7.  Andrew F Smith (4 out of 15 patents)

8.  Jared A Niemiec (4 out of 7 patents)

9.  William Chirrey (3 out of 3 patents)

10.  Herman E Goins, Jr (3 out of 3 patents)

11.  Monte Pearson (3 out of 3 patents)

12.  Court S Hinricher (3 out of 6 patents)

13.  James Allen Baker (2 out of 2 patents)

14.  Lucia Santamaria (2 out of 2 patents)

15.  Yang Julia Xiang (2 out of 2 patents)


30 patents:

1. 11898587 - Torque-limiting nut (2024-02-13),
2. 11673424 - Unitized wheelend assembly and method of installation (2023-06-13),
3. 11667150 - Hub cap vent shield (2023-06-06),
4. 11555579 - Wheelend assembly grease tool (2023-01-17),
5. 11396905 - Center linkage apparatus (2022-07-26),
6. 11021009 - Hub cap vent shield (2021-06-01),
7. 10919338 - Unitized wheelend assembly and method of installation (2021-02-16),
8. 10828934 - Spacer to enhance lubrication for wheelend assembly (2020-11-10),
9. 10794680 - Differential magnetic proximity sensor (2020-10-06),
10. 10794491 - Wheelend assembly seal (2020-10-06),
11. 10745255 - Vehicle boom arm alarm system (2020-08-18),
12. 10703135 - Inflation hubcap installation system (2020-07-07),
13. 10690208 - Composite bead plate and an air spring using the same (2020-06-23),
14. 10625793 - Rear-mounted retractable aerodynamic structure for cargo bodies (2020-04-21),
15. D862305 - Center link assembly (2019-10-08),
Stemco Products, Inc. is a leading manufacturer and supplier of high-quality aftermarket parts for the commercial vehicle industry. With a history dating back to 1951, Stemco has built a strong reputation for innovation, durability, and performance. The company offers a wide range of products including wheel end, suspension, and brake components, as well as advanced tire pressure monitoring systems. Stemco is committed to providing reliable solutions that maximize efficiency and safety for fleet operators worldwide.
This text is generated by artificial intelligence and may not be accurate.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

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30 Patents

#45 in Charlotte, NC

#248 in North Carolina

#10,859 in US

#21,180 in the World

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Charlotte, NC, United States of America

Stemco Products, Inc.

Forward Citations = 36

55 inventors:

goldMedal Daniel Trejo Jimenez (8 out of 13 patents)

silverMedal Paul Dolan (7 out of 10 patents)

bronzeMedal Mark N Gold (6 out of 14 patents)

4.  Jeffrey J Grossmann (6 out of 17 patents)

5.  Michael W Polidori (5 out of 8 patents)

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