Forward Citations = 119

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4 inventors (with patents filed for the assignee):

John C Schneider (6 out of 7 patents)

Kenneth J Fair (2 out of 2 patents)

Gezinus Van Weert (2 out of 4 patents)

4. David J Larkins (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 5509535 - Flotation apparatus (1996-04-23),

2. 5013359 - Process for recovering gold from refractory sulfidic ores (1991-05-07),

3. 4878677 - Shut off seal about a shaft of a device having a side entry into a tank (1989-11-07),

4. 4834793 - Oxidation process for releasing metal values in which nitric acid is (1989-05-30),

5. 4750994 - Flotation apparatus (1988-06-14),

6. 4670051 - Oxidation process for releasing metal values in which nitric acid is (1987-06-02),

Company Overview

Hydrochem Developments Ltd. specializes in providing innovative solutions for water treatment and purification. With over 20 years of experience, we offer a wide range of products and services to meet the needs of residential, commercial, and industrial clients. Our team of experts is dedicated to delivering high-quality and cost-effective solutions that ensure clean and safe water for our customers. Visit our website to learn more about how we can help you with your water treatment needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#14 in Brampton

#2,420 in Canada

Brampton, Canada

Hydrochem Developments Ltd.

Forward Citations = 119

4 inventors:

John C Schneider (6 out of 7 patents)

Kenneth J Fair (2 out of 2 patents)

Gezinus Van Weert (2 out of 4 patents)

4. David J Larkins (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydrochem Developments Ltd.. Retrieved from https://idiyas.com/company/hydrochem-developments

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]