Murrysville, PA, United States of America

John S VanKirk

This inventor holds 4 USPTO granted patents. Top assignee: Kennametal Inc.. Active years: 1994-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John S VanKirk. Retrieved from https://idiyas.com/inventor/john-s-vankirk

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 57(Granted Patents)


Location History:

  • Murrysville, PA (US) (1994 - 1998)
  • Export, PA (US) (2000)

Company Filing History:


Years Active: 1994-2000

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4 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]
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