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Somerville, NJ, United States of America

Research-Cottrell

USPTO Granted Patents = 42

Trademarks = 1

Forward Citations = 626

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40 inventors (with patents filed for the assignee):

Dennis J Helfritch (5 out of 5 patents)

Paul L Feldman (5 out of 5 patents)

Marcel R Lefevre (4 out of 4 patents)

4. Robert J Gleason (4 out of 5 patents)

5. Dennis H Sapp (3 out of 3 patents)

6. Frederick E Hankins (3 out of 3 patents)

7. Asim B Ray (3 out of 3 patents)

8. Philip C Efthimion (2 out of 2 patents)

9. William W Andrews (2 out of 2 patents)

10. Edward L Biedell (2 out of 2 patents)

11. Robert J Ferb (2 out of 2 patents)

12. David W Stackhouse (1 out of 4 patents)

13. John W Podlenski (1 out of 1 patent)

14. Steven J Bortz (1 out of 7 patents)

15. Richard T Riehl (1 out of 1 patent)

Core Competencies:

Nitrogen Oxide Reduction

Flue Gas Treatment

Electrostatic Precipitator

Gas Monitoring

Sulfur Dioxide Scrubbing

Chemical Processing

Cooling Tower Technology

Pollution Control

Desulfurization Process

High Pressure Processing

Waste Gas Management

Particulate Control

42 patents: Sort by Forward Citations

1. 5213780 - Method for nitrogen oxide reduction and flue gas reheating (1993-05-25),

2. 5205177 - Method and apparatus for gas monitoring (1993-04-27),

3. 5165902 - Method and apparatus for reducing nitrogen dioxide emissions in a dry (1992-11-24),

4. 5156658 - Electrostatic precipitator gas inlet plenum having a corrugated (1992-10-20),

5. 4985219 - Removal of nitrogen oxides from waste gases (1991-01-15),

6. 4960445 - Process for removing SO.sub.2 and fly ash from flue gas (1990-10-02),

7. 4883570 - Apparatus and method for enhanced chemical processing in high pressure (1989-11-28),

8. 4832806 - Radiation for the selective destruction of toxic molecules on solid (1989-05-23),

9. 4705653 - Splash bar for cooling tower fill assembly (1987-11-10),

10. 4559211 - Method for reduced temperature operation of flue gas collectors (1985-12-17),

11. 4525142 - Process for treating flue gas with alkali injection and electron beam (1985-06-25),

12. 4451411 - Support means for transverse fill for cooling towers (1984-05-29),

13. 4406762 - Electron beam coal desulfurization (1983-09-27),

14. 4395448 - Filling sheet attaching means for gas and liquid contact apparatus and (1983-07-26),

15. 4390831 - Electrostatic precipitator control (1983-06-28),

Research-Cottrell is a leading provider of air pollution control and gas cleaning systems. With over 90 years of experience, they offer innovative solutions for industries such as power generation, metals refining, chemical processing, and more. Research-Cottrell's expertise lies in designing, manufacturing, and maintaining advanced technologies that help reduce emissions and improve air quality. Their comprehensive range of products includes electrostatic precipitators, fabric filters, acid gas scrubbers, and other pollution control equipment.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

42 Patents

#4 in Somerville, NJ

#339 in New Jersey

#7,990 in US

#15,876 in the World

Somerville, NJ, United States of America

Research-Cottrell

Forward Citations = 626

40 inventors:

Dennis J Helfritch (5 out of 5 patents)

Paul L Feldman (5 out of 5 patents)

Marcel R Lefevre (4 out of 4 patents)

4. Robert J Gleason (4 out of 5 patents)

5. Dennis H Sapp (3 out of 3 patents)

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