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Somerville, NJ, United States of America

Research-Cottrell

USPTO Granted Patents = 42

Trademarks = 1

Forward Citations = 627

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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 Reheating

Gas Monitoring

Electrostatic Precipitator

Pollution Control

Desulfurization

Chemical Processing

Cooling Towers

Particulate Control

Waste Gas Treatment

Emission Reduction

High Pressure Processing

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, headquartered in Somerville, NJ, specializes in advanced pollution control technologies. The company focuses on solutions for nitrogen oxide reduction, flue gas treatment, and sulfur dioxide scrubbing, contributing to cleaner air and environmental sustainability. With expertise in electrostatic precipitators and gas monitoring systems, Research-Cottrell plays a pivotal role in chemical processing and cooling tower technology, addressing the challenges of industrial emissions and enhancing compliance with environmental regulations.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

42 Patents

#6 in Somerville, NJ

#343 in New Jersey

#8,248 in US

#16,326 in the World

Somerville, NJ, United States of America

Research-Cottrell

Forward Citations = 627

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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