% Expired Patents = 20.0

Forward Citations = 136

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8 inventors (with patents filed for the assignee):

Richard H Alsenz (9 out of 44 patents)

Jeffrey W Johnson (2 out of 13 patents)

Collin A Rose (1 out of 1 patent)

4. Paul Malone (1 out of 1 patent)

5. Barry Bryson (1 out of 1 patent)

6. Roger C Ansted (1 out of 3 patents)

7. Bryan J Rees (1 out of 1 patent)

8. Timothy G Burns (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 6928825 - Thermally isolated liquid evaporation engine (2005-08-16),

2. 6857287 - Refrigeration cycle (2005-02-22),

3. 6705094 - Thermally isolated liquid evaporation engine (2004-03-16),

4. 6442967 - Refrigeration system with coaxial suction and liquid tubing (2002-09-03),

5. 6338254 - Refrigeration sub-cooler and air conditioning dehumidifier (2002-01-15),

6. 6161394 - Method and apparatus for condensing and subcooling refrigerant (2000-12-19),

7. 6134796 - Aircraft navigational plotter (2000-10-24),

8. 6105379 - Self-adjusting valve (2000-08-22),

9. 5692387 - Liquid cooling of discharge gas (1997-12-02),

10. 4951475 - Method and apparatus for controlling capacity of a multiple-stage (1990-08-28),

Company Overview

Altech Controls Corporation, based in Missouri City, Texas, specializes in the development and manufacturing of advanced control systems and automation solutions. The company focuses on providing innovative products that enhance operational efficiency across various industries, including industrial automation and energy management. With a commitment to quality and technological advancement, Altech Controls aims to deliver reliable and effective solutions tailored to meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#2 in Missouri City, TX

#1,880 in Texas

#29,866 in US

#56,047 in the World

Missouri City, TX, United States of America

Altech Controls Corporation

Forward Citations = 136

8 inventors:

Richard H Alsenz (9 out of 44 patents)

Jeffrey W Johnson (2 out of 13 patents)

Collin A Rose (1 out of 1 patent)

4. Paul Malone (1 out of 1 patent)

5. Barry Bryson (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Altech Controls Corporation. Retrieved from https://idiyas.com/company/altech-controls

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]