% Expired Patents = 66.7

Forward Citations = 5

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3 inventors (with patents filed for the assignee):

Dennis D Coleman (3 out of 15 patents)

Todd M Coleman (2 out of 24 patents)

Coleman Todd (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 9983103 - Gas sampling apparatus (2018-05-29),

2. 9146224 - Low dead-volume core-degassing apparatus (2015-09-29),

3. 8522599 - Low dead-volume core-degassing apparatus (2013-09-03),

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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#1 in Champaign

#122 in unknown

Champaign, undefined

Isotech Laboratories, Inc.

Forward Citations = 5

3 inventors:

Dennis D Coleman (3 out of 15 patents)

Todd M Coleman (2 out of 24 patents)

Coleman Todd (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Isotech Laboratories, Inc.. Retrieved from https://idiyas.com/company/isotech-laboratories

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]