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For the Inventor, By the Inventor

Plymouth, MI, United States of America

Metaldyne Company LLC

USPTO Granted Patents = 14

% Expired Patents = 28.6


Forward Citations = 49

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26 inventors (with patents filed for the assignee):

goldMedal Robert Veldman (5 out of 15 patents)

silverMedal Zhipeng Han (2 out of 4 patents)

bronzeMedal Jose Correa Neto (2 out of 5 patents)

4.  Michael Colby Sefcik (2 out of 11 patents)

5.  Jeff Lubben (1 out of 4 patents)

6.  Steven Joseph Chevalier (1 out of 5 patents)

7.  David E Tabbert (1 out of 1 patent)

8.  Greg Sabourin (1 out of 3 patents)

9.  William F Cockrum (1 out of 1 patent)

10.  Sanjay Sarnaik (1 out of 1 patent)

11.  Truman Allen Potter, Jr (1 out of 1 patent)

12.  George Lanni (1 out of 1 patent)

13.  Stephen L White (1 out of 1 patent)

14.  Barry C Titus (1 out of 2 patents)

15.  Jeffrey L Lubben (1 out of 4 patents)


14 patents:

1. 8522925 - Debris flush system for balance shaft bearings (2013-09-03),
2. 8500594 - Differential assembly and method for manufacturing same (2013-08-06),
3. 8430780 - Support structure for differential (2013-04-30),
4. 8397749 - Piston cooling jet with tracking ball orifice (2013-03-19),
5. 8360746 - Inverted pressure regulating valve for an engine oil pump (2013-01-29),
6. 7509863 - Measuring and testing device incorporating an air gauge (2009-03-31),
7. 7479087 - Pinion shaft and differential housing assembly (2009-01-20),
8. 7479086 - Structure of differential housing (2009-01-20),
9. 7410035 - Damper and method for tuning a damper utilizing a surface contact reducing resilient member (2008-08-12),
10. 7174919 - Flow redirection member and method of manufacture (2007-02-13),
11. 7152623 - Fluid jet for providing fluid under pressure to a desired location (2006-12-26),
12. 7024751 - Housing and method of manufacturing said housing (2006-04-11),
13. 6915568 - Method of manufacturing connecting rods (2005-07-12),
14. 6604658 - Reversible shank for hitch mounted accessory carriers (2003-08-12),
Company Overview
Metaldyne Company LLC, based in Plymouth, MI, specializes in the design and manufacturing of advanced automotive components. The company focuses on delivering innovative solutions in the areas of powertrain, chassis, and structural components, catering to the evolving needs of the automotive industry. With a commitment to engineering excellence, Metaldyne leverages cutting-edge technologies to enhance vehicle performance and efficiency, positioning itself as a key player in the global automotive supply chain.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#26 in Plymouth, MI

#789 in Michigan

#22,333 in US

#42,290 in the World

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

Metaldyne Company LLC

Forward Citations = 49

26 inventors:

goldMedal Robert Veldman (5 out of 15 patents)

silverMedal Zhipeng Han (2 out of 4 patents)

bronzeMedal Jose Correa Neto (2 out of 5 patents)

4.  Michael Colby Sefcik (2 out of 11 patents)

5.  Jeff Lubben (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metaldyne Company LLC. Retrieved from https://idiyas.com/company/metaldyne-company

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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