For the Inventor, By the Inventor

Enter assignee name

Islington, Canada

Erco Industries Limited

USPTO Granted Patents = 45

Trademarks = 2

Forward Citations = 537

Loading Chart...

Loading Chart...

22 inventors (with patents filed for the assignee):

Gerald Cowley (11 out of 22 patents)

Maurice C Fredette (11 out of 19 patents)

Richard Swindells (8 out of 9 patents)

4. Douglas W Reeve (5 out of 12 patents)

5. James D McGilvery (4 out of 7 patents)

6. W Howard Rapson (4 out of 8 patents)

7. Helena Twardowska (2 out of 3 patents)

8. Norman W Meyers (2 out of 2 patents)

9. James H Forster (2 out of 2 patents)

10. Peter David Dick (1 out of 2 patents)

11. Zbigniew Twardowski (1 out of 11 patents)

12. Arun K Deshpande (1 out of 1 patent)

13. Mark Kostanecki (1 out of 1 patent)

14. John A Charnock (1 out of 1 patent)

15. Ernest R Brazier (1 out of 1 patent)

Core Competencies:

Chlorine Dioxide

Red Phosphorus

Bleaching Procedure

Chlorate Cell

Efficiency Control

Water Treatment

Aqueous Solution

Modular Systems

High Efficiency

Production Process

Small Scale Generation

Phosphate Composition

45 patents: Sort by Forward Citations

1. 4678655 - Acid recovery in clorine dioxide generation (1987-07-07),

2. 4534952 - Small scale generation of chlorine dioxide for water treatment (1985-08-13),

3. 4526766 - Production of red phosphorus (1985-07-02),

4. 4489183 - Stabilization of red phosphorus (1984-12-18),

5. 4473540 - High efficiency chlorine dioxide process (1984-09-25),

6. 4465658 - Chlorine dioxide process (1984-08-14),

7. 4421728 - Stabilization of red phosphorus (1983-12-20),

8. 4421598 - Bleaching procedure using chlorine dioxide and chlorine solutions (1983-12-20),

9. 4414193 - Production of chlorine dioxide on a small scale (1983-11-08),

10. 4414088 - Chlorate cell system (1983-11-08),

11. 4409066 - Bleaching procedure using chlorine dioxide and chlorine solutions (1983-10-11),

12. 4406736 - Method of bleaching pulp with an aqueous solution of chlorine dioxide (1983-09-27),

13. 4393036 - Production of mixed sulfuric and hydrochloric acid feed and chlorine (1983-07-12),

14. 4393035 - Chlorine dioxide production using mixed hydrochloric and sulfuric acid (1983-07-12),

15. 4366120 - Small scale chlorine dioxide plant (1982-12-28),

Company Overview

Erco Industries Limited, based in Islington, Canada, specializes in advanced technologies for water treatment and chemical production. The company is recognized for its expertise in chlorine dioxide generation and modular systems that enhance efficiency in water purification processes. Additionally, Erco focuses on the production of red phosphorus and chlorate cell systems, contributing to various industrial applications. Their commitment to innovation includes developing high-efficiency production methods and acid recovery processes, positioning them as a leader in sustainable chemical solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

45 Patents

#1 in Islington

#311 in Canada

#15,450 in the World

Islington, Canada

Erco Industries Limited

Forward Citations = 537

22 inventors:

Gerald Cowley (11 out of 22 patents)

Maurice C Fredette (11 out of 19 patents)

Richard Swindells (8 out of 9 patents)

4. Douglas W Reeve (5 out of 12 patents)

5. James D McGilvery (4 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Erco Industries Limited. Retrieved from https://idiyas.com/company/erco-industries

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]

Loading…