% Expired Patents = 30.0

Forward Citations = 403

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8 inventors (with patents filed for the assignee):

Ming Hui Han (4 out of 11 patents)

Muammer Yazici (4 out of 14 patents)

Salman Akhtar (3 out of 4 patents)

4. Gerhard Granek (2 out of 2 patents)

5. Werner Richarz (2 out of 7 patents)

6. Tom Fisher (1 out of 1 patent)

7. Muammar Yazici (1 out of 1 patent)

8. Dipti Kr Datta (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 6851514 - Outlet silencer and heat recovery structures for gas turbine (2005-02-08),

2. 6623353 - Venturi type air distribution system (2003-09-23),

3. 6419576 - Sound attenuating inlet silencer for air supplying fan (2002-07-16),

4. 6402612 - Column fan unit (2002-06-11),

5. 6267665 - Column fan unit (2001-07-31),

6. 6213867 - Venturi type air distribution system (2001-04-10),

7. 6139425 - High efficiency air mixer (2000-10-31),

8. 6027406 - Centrifugal fan unit with vertical rotation axis (2000-02-22),

9. 5749702 - Fan for air handling system (1998-05-12),

10. 5728979 - Air handling structure for fan inlet and outlet (1998-03-17),

Company Overview

Air Handling Engineering Ltd. specializes in the design and manufacturing of advanced air handling systems and components. The company focuses on providing innovative solutions for HVAC applications, ensuring optimal indoor air quality and energy efficiency. With a commitment to engineering excellence, Air Handling Engineering serves a diverse range of industries, contributing to sustainable building practices and enhanced environmental control. Based in Williamsville, NY, the company leverages its expertise 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 20 2026

10 Patents

#4 in Williamsville, NY

#1,747 in New York

#29,882 in US

#56,092 in the World

Williamsville, NY, United States of America

Air Handling Engineering Ltd.

Forward Citations = 403

8 inventors:

Ming Hui Han (4 out of 11 patents)

Muammer Yazici (4 out of 14 patents)

Salman Akhtar (3 out of 4 patents)

4. Gerhard Granek (2 out of 2 patents)

5. Werner Richarz (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Air Handling Engineering Ltd.. Retrieved from https://idiyas.com/company/air-handling-engineering

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]