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For the Inventor, By the Inventor

Huntington Beach, CA, United States of America

Forrest B Fencl

This inventor holds 13 USPTO granted patents. Top assignees: Steril-Aire USA, Inc., Netzero, Inc., Sieni-Aire, Inc. Active years: 1998-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Forrest B Fencl. Retrieved from https://idiyas.com/inventor/forrest-b-fencl

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 84.6

Average Co-Inventor Count = 1.8

ph-index = 11

Forward Citations = 286(Granted Patents)


Location History:

  • Cerritos, CA (US) (2002)
  • Huntington Beach, CA (US) (1998 - 2008)

Company Filing History:

goldMedal10 out of 10 
 
Steril-Aire USA, Inc.
 patents
silverMedal1 out of 26 
 
Netzero, Inc.
 patents
bronzeMedal1 out of 1 
 
Sieni-Aire, Inc
 patent
4. 1 out of 10 
 
Steril-Aire, Inc.
 patents

Years Active: 1998-2008

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13 patents (USPTO):Explore Patents
1. 7323065 - UV irradiation for surface cleaning (2008-01-29),
2. RE40022 - Germicidal lamp for harsh environments (2008-01-21),
3. 6627000 - UV irradiation of air handlers and other apparatus (2003-09-30),
4. 6589476 - Reducing volatile organic compounds and common organic odors to below threshold levels in a mechanically ventilated space (2003-07-08),
5. 6500267 - Reduction of energy consumption in a cooling or heating system through UVC irradiation (2002-12-31),
6. 6423882 - Airborne gas phase sorption enhancement using ultraviolet light (2002-07-23),
7. 6372186 - Germicidal lamp for harsh environments (2002-04-16),
8. 6313470 - Returning a heat exchanger's efficiency to “as new” (2001-11-06),
9. 6280686 - Control of health hazards in an air handler (2001-08-28),
10. 6267924 - Reduction of pressure drop of a cooling or heating system (2001-07-31),
11. 6245293 - Cleaning and maintaining a drain pan in an air handling system (2001-06-12),
12. 5866076 - Single ended germicidal lamp for HVAC systems (1999-02-02),
13. 5817276 - Method of UV distribution in an air handling system (1998-10-06),

Title: Innovations by Forrest B. Fencl

Introduction

Forrest B. Fencl is a notable inventor based in Huntington Beach, California. He has made significant contributions to the field of germicidal technology, holding a total of 13 patents. His work focuses on methods to control microorganisms in various environments, particularly in HVAC systems.

Latest Patents

One of Fencl's latest patents is for a method of UV irradiation for surface cleaning. This patent discloses methods for controlling the presence of surface and airborne microorganisms in an air handler. The method involves energizing a germicidal lamp to emit distributed UVC radiation and positioning it near the heat transfer coil. This setup allows for effective irradiation of the coil's tube and fins, increasing the flux density of ultraviolet radiation applied to microorganisms. The process continues until the surface is organically clean. Another significant patent is for a germicidal lamp designed for harsh environments. This lamp is suitable for outdoor installation on HVAC systems and is constructed from materials resistant to splashing water. It includes multiple seals to prevent leakage or contamination.

Career Highlights

Throughout his career, Fencl has worked with companies such as Steril-Aire USA, Inc. and Sieni-Aire, Inc. His experience in these organizations has contributed to his expertise in germicidal technologies and innovations.

Collaborations

Fencl has collaborated with notable individuals in his field, including Robert Scheir and Robert M. Culbert. These collaborations have likely enhanced his work and contributed to the development of his patented technologies.

Conclusion

Forrest B. Fencl's contributions to germicidal technology through his patents demonstrate his innovative spirit and commitment to improving public health. His work continues to influence the industry and offers solutions for controlling microorganisms effectively.

Profile summary based on public USPTO records.
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]
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