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USPTO Data Jan 1 1976 - Oct 27 2026
86 Patents
#2 in Romeo, MI
#170 in Michigan
#4,339 in US
#8,877 in the World
L & L Products, Inc.
Forward Citations = 5,488
59 inventors:
Romeo, MI, United States of America
L & L Products, Inc.
Calculating rank
% Expired Patents = 15.1
CIPO Patents = 1
EPO Patents = 1
Trademarks = 4
Forward Citations = 5,488
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59 inventors (with patents filed for the assignee):
Michael J Czaplicki (43 out of 86 patents)
William J Barz (14 out of 24 patents)
Thomas L Coon (10 out of 17 patents)
4. Eric Le Gall (8 out of 17 patents)
5. Jon Riley (8 out of 15 patents)
6. Abraham Kassa (6 out of 21 patents)
7. Dean J Schneider (6 out of 40 patents)
8. David Kosal (5 out of 21 patents)
9. Serge Bieber (5 out of 11 patents)
10. Keith Madaus (4 out of 12 patents)
11. Christopher T Hable (4 out of 13 patents)
12. David K Carlson (4 out of 128 patents)
13. Eric Brennecke (4 out of 7 patents)
14. Berndt Eckman (4 out of 4 patents)
15. Lothar Josef Bock (4 out of 4 patents)
Core Competencies:
Expandable Material
Hydroform
Activatable Material
Automotive Vehicles
Structural Foam
Reinforcement System
Sound Absorption
Paintable Seal
Energy Management
Vibrational Reduction
Hollow Section
Reinforcing Members
86 patents:
Company Overview
L & L Products, Inc. is a leading innovator in structural reinforcement technologies, primarily serving the automotive sector. Based in Romeo, Michigan, the company specializes in the development and manufacturing of advanced materials such as expandable and activatable materials, structural foams, and sound absorption solutions. Their expertise extends to hydroforming and reinforcement systems, providing effective solutions that enhance vehicle performance and durability while also offering paintable seal options for aesthetic and functional applications.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: L & L Products, Inc.. Retrieved from https://idiyas.com/company/l-and-l-products
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]
1 patent (CIPO):
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]
1 patent (EPO):
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]