% Expired Patents = 100.0

EPO Patents = 3

Forward Citations = 10

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6 inventors (with patents filed for the assignee):

Barry A Freel (3 out of 54 patents)

Robert G Graham (3 out of 33 patents)

Michael A Silverman (3 out of 7 patents)

4. Stephen K Pavel (2 out of 4 patents)

5. Steven A Kalota (2 out of 2 patents)

6. Steve Kalota (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 9719021 - Rapid thermal processing of heavy hydrocarbon feedstocks (2017-08-01),

2. 9707532 - HTL reactor geometry (2017-07-18),

3. 9434888 - Methods and systems for producing reduced resid and bottomless products from heavy hydrocarbon feedstocks (2016-09-06),

4. 9162171 - Method, system, and apparatus for separation in processing of feedstocks (2015-10-20),

5. 9084977 - Method, system, and apparatus for lift gas distribution (2015-07-21),

6. 9005428 - Products produced from rapid thermal processing of heavy hydrocarbon feedstocks (2015-04-14),

Company Overview

Ivanhoe Htl Petroleum Ltd. is a leading oil and gas exploration company with operations in multiple countries. With a strong focus on sustainable energy solutions, we are committed to minimizing our environmental impact through responsible practices. Our innovative approach to exploration and production has allowed us to discover and develop promising new reserves, driving growth and profitability for our stakeholders.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#726 in Houston, TX

#2,909 in Texas

#45,007 in US

Houston, TX, United States of America

Ivanhoe Htl Petroleum Ltd.

Forward Citations = 10

6 inventors:

Barry A Freel (3 out of 54 patents)

Robert G Graham (3 out of 33 patents)

Michael A Silverman (3 out of 7 patents)

4. Stephen K Pavel (2 out of 4 patents)

5. Steven A Kalota (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ivanhoe Htl Petroleum Ltd.. Retrieved from https://idiyas.com/company/ivanhoe-htl-petroleum

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]

3 patents (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]