Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#179 in Grand Rapids, MI
#3,190 in Michigan
#94,953 in US
Portamaker, Inc.
Forward Citations = 14
3 inventors:
Grand Rapids, MI, United States of America
Portamaker, Inc.
Calculating rank
Forward Citations = 14
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3 inventors (with patents filed for the assignee):
Kristopher D Shumaker (2 out of 5 patents)
Jeremy Clinton Stoddard (2 out of 10 patents)
Steven James Leibrandt (2 out of 9 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Portamaker, Inc.. Retrieved from https://idiyas.com/company/portamaker
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]