This inventor holds 2 USPTO granted patents. Top assignees: Rutgers, The State University of New Jersey, University of Medicine and Dentistry of New Jersey, Vanderbilt University. Active years: 2009-2016.
IDiyas Innovation Intelligence. (2026). Inventor Profile: John Langenfeld. Retrieved from https://idiyas.com/inventor/john-langenfeld
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
Average Co-Inventor Count = 1.3
ph-index = 1
Forward Citations = 2(Granted Patents)
Company Filing History:
1 out of 1,498 
Rutgers, The State University of New Jersey
1 out of 272 
University of Medicine and Dentistry of New Jersey
1 out of 1,223 
Vanderbilt University
where one patent can have more than one assignee
Years Active: 2009-2016
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2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: John Langenfeld. Retrieved from https://idiyas.com/inventor/john-langenfeld
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]
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]
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]
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]
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]