Forward Citations = 221

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3 inventors (with patents filed for the assignee):

Frederick K Blades (6 out of 29 patents)

Howard W Selby, Iii (3 out of 9 patents)

Paul Charles Melanson (1 out of 16 patents)

9 patents: Sort by Forward Citations

1. 4523472 - Ultrasonic transceiver circuit (1985-06-18),

2. 4400976 - Ultrasonic transceiver circuit for level sensing (1983-08-30),

3. 4343552 - Nephelometer (1982-08-10),

4. 4336115 - Acid base production unit (1982-06-22),

5. 4315325 - Echo ranging pulse discrimination circuit (1982-02-09),

6. 4304996 - Water sterilizer and organic matter measurement instrument (1981-12-08),

7. 4272679 - Ultraviolet radiation sensor (1981-06-09),

8. 4246101 - Water recycling system (1981-01-20),

9. 4145279 - Water recycling system (1979-03-20),

Company Overview

Pure Cycle Corporation is a Colorado-based company that provides water and wastewater services, and land development. With over 40 years of experience, Pure Cycle is dedicated to providing sustainable solutions for water management and infrastructure development.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#130 in Boulder, CO

#694 in Colorado

#32,565 in US

Boulder, CO, United States of America

Pure Cycle Corporation

Forward Citations = 221

3 inventors:

Frederick K Blades (6 out of 29 patents)

Howard W Selby, Iii (3 out of 9 patents)

Paul Charles Melanson (1 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pure Cycle Corporation. Retrieved from https://idiyas.com/company/pure-cycle

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]