Ridgefield, CT, United States of America

Dennis R Farrenkopf

This inventor holds 10 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Fuelcell Energy, Inc., Praxair Technology, Inc., Union Carbide Corporation. Active years: 1990-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis R Farrenkopf. Retrieved from https://idiyas.com/inventor/dennis-r-farrenkopf

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

USPTO Granted Patents = 10 (Patent Applications = 1)

% Patents Active = 100.0

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 54(Granted Patents)

Location History:

Ridgefield, CT (US) (2019)
Bethel, CT (US) (1990 - 2023)

Company Filing History:

5 out of 197

Fuelcell Energy, Inc.

patents

4 out of 1,461

Praxair Technology, Inc.

patents

1 out of 2,922

Union Carbide Corporation

patents

Years Active: 1990-2023

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11698230 - Heat exchanger with porous material (2023-07-11),

2. 11175101 - Heat exchanger with porous material (2021-11-16),

3. 10312531 - Flame stabilized mixer-eductor-oxidizer for high temperature fuel cells (2019-06-04),

4. 9190676 - Flame stabilized mixer-eductor-oxidizer for high temperature fuel cells (2015-11-17),

5. 9090514 - High temperature expandable refractory (2015-07-28),

6. 6334976 - Fluid cooled coherent jet lance (2002-01-01),

7. 6171544 - Multiple coherent jet lance (2001-01-09),

8. 5823762 - Coherent gas jet (1998-10-20),

9. 5439373 - Luminous combustion system (1995-08-08),

10. 4892475 - Ignition system and method for post-mixed burner (1990-01-09),

Title: Dennis R Farrenkopf: Innovator in Heat Exchanger Technology

Introduction

Dennis R Farrenkopf is a notable inventor based in Ridgefield, CT (US). He holds a total of 10 patents that showcase his contributions to the field of heat exchanger technology. His innovative approaches have significantly impacted the efficiency and functionality of heat exchangers.

Latest Patents

One of his latest patents is a heat exchanger with porous material. This invention outlines a method for manufacturing a heat exchanger that includes providing a porous material with a porosity of about 30% to about 80%. The process involves forming an oxide layer on the surface of the porous material by heat treating it at a temperature ranging from 600°C to 900°C for a duration of 8 to 12 hours in air. The porous material is then integrated into a cold side flow passage of the heat exchanger. Another patent focuses on a heat exchanger that incorporates a porous material in a cold side flow passage, which is designed to distribute a liquid phase throughout the passage through capillary action.

Career Highlights

Throughout his career, Dennis has worked with prominent companies such as FuelCell Energy, Inc. and Praxair Technology, Inc. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in heat exchanger technology.

Collaborations

Dennis has collaborated with notable individuals in his field, including John Erling Anderson and William J Snyder. These partnerships have fostered innovation and have led to the development of groundbreaking technologies.

Conclusion

Dennis R Farrenkopf is a distinguished inventor whose work in heat exchanger technology has made a lasting impact. His innovative patents and collaborations highlight his commitment to advancing engineering solutions.

Profile summary based on public USPTO records.