% Expired Patents = 50.0

Trademarks = 4

Forward Citations = 14

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6 inventors (with patents filed for the assignee):

Jan Ligas, Jr (2 out of 2 patents)

Nicholai Gomozov (2 out of 2 patents)

Jason Charles Lintker (2 out of 5 patents)

4. Douglas J Howery, Jr (1 out of 1 patent)

5. Charles E Christiansen (1 out of 1 patent)

6. Lloyd P Hunt (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12379112 - Ductless air distribution system (2025-08-05),

2. 11619419 - Ductless air distribution system (2023-04-04),

3. 8186132 - No-through-metal structural panelized housing system for buildings and enclosures and economical process for manufacture of same (2012-05-29),

4. 7891140 - Perimeter wall panels for an air supported structure (2011-02-22),

5. 7832149 - Perimeter wall panels for an air supported structure (2010-11-16),

6. 4243014 - Combustion chamber construction (1981-01-06),

Company Overview

Johnson Heater Corp. is a leading manufacturer of high-quality industrial heaters. With over 20 years of experience, we specialize in designing and producing custom heating solutions for a wide range of industries. Our heaters are known for their efficiency, durability, and reliability. We are committed to providing top-notch customer service and innovative heating solutions to meet our clients' unique needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#269 in St. Louis, MO

#645 in Missouri

#44,981 in US

St. Louis, MO, United States of America

Johnson Heater Corp.

Forward Citations = 14

6 inventors:

Jan Ligas, Jr (2 out of 2 patents)

Nicholai Gomozov (2 out of 2 patents)

Jason Charles Lintker (2 out of 5 patents)

4. Douglas J Howery, Jr (1 out of 1 patent)

5. Charles E Christiansen (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Johnson Heater Corp.. Retrieved from https://idiyas.com/company/johnson-heater

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]