Forward Citations = 66

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6 inventors (with patents filed for the assignee):

Douglas W Reeve (5 out of 12 patents)

W Howard Rapson (4 out of 8 patents)

Gordon Rowlandson (3 out of 3 patents)

4. Robert P Schroeder (2 out of 2 patents)

5. Jerome A Lukes (2 out of 3 patents)

6. Allan F Gilbert (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 4249990 - Process for removal of potassium values from pulp mill liquors (1981-02-10),

2. 4188260 - Low effluent pulp mill, bleach plant operation (1980-02-12),

3. 4104114 - Bleach plant operation (1978-08-01),

4. 4039372 - Bleach plant filtrate recovery (1977-08-02),

5. 3986923 - Removal of dissolved salts from sulphide liquors (1976-10-19),

6. 3954552 - Removal of sodium chloride from pulp mill systems (1976-05-04),

7. 3950217 - Removal of sodium chloride from pulping operations (1976-04-13),

8. 3945880 - Sodium chloride removal in pulp mill systems (1976-03-23),

Company Overview

Erco Envirotech Ltd. is a leading provider of environmental solutions and technologies across various industries. With a focus on sustainability and innovation, Erco Envirotech offers a wide range of products and services including waste management, water treatment, air pollution control, and renewable energy solutions. The company is dedicated to helping businesses and communities reduce their environmental footprint and achieve their sustainability goals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#3 in Islington

#1,878 in Canada

Islington, Canada

Erco Envirotech Ltd.

Forward Citations = 66

6 inventors:

Douglas W Reeve (5 out of 12 patents)

W Howard Rapson (4 out of 8 patents)

Gordon Rowlandson (3 out of 3 patents)

4. Robert P Schroeder (2 out of 2 patents)

5. Jerome A Lukes (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Erco Envirotech Ltd.. Retrieved from https://idiyas.com/company/erco-envirotech

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]