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USPTO Data Jan 1 1976 - Oct 13 2026
233 Patents
#1 in Loveland, CO
#36 in Colorado
#1,806 in US
#3,686 in the World
Hach Company
Forward Citations = 1,410
213 inventors:
Loveland, CO, United States of America
Hach Company
% Expired Patents = 11.6
CIPO Patents = 4
EPO Patents = 63
Trademarks = 64
Forward Citations = 1,410
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213 inventors (with patents filed for the assignee):
Vishnu Vardhanan Rajasekharan (23 out of 24 patents)
Perry A Palumbo (20 out of 29 patents)
Corey Alan Salzer (15 out of 16 patents)
4. David Langley Rick (14 out of 15 patents)
5. Darren Kent MacFarland (12 out of 12 patents)
6. Angella Nicholle Greenawalt (11 out of 11 patents)
7. Brian Alan Harmon (11 out of 12 patents)
8. Dan J Kroll (11 out of 11 patents)
9. Ernie R Paoli (11 out of 11 patents)
10. Russell Martin Young (9 out of 11 patents)
11. Luke Waaler (8 out of 34 patents)
12. Richard Edward Leggett (8 out of 8 patents)
13. Thomas D Wolfe (8 out of 14 patents)
14. Nelson E Dervaes (8 out of 8 patents)
15. Robert D Stream (8 out of 8 patents)
Core Competencies:
Alkalinity Measurement
Turbidity Detection
Electrochemical Detection
Fluoride Measurement
Colorimetric Analysis
Nitrate Detection
Water Quality Monitoring
Sensor Technology
Chemical Analysis
Optical Measurement
Wireless Communication
Real-Time Management
233 patents:
Company Overview
Hach Company, headquartered in Loveland, Colorado, specializes in water quality measurement technologies. The organization develops and manufactures a wide range of instruments and reagents for various applications, including alkalinity measurement, turbidity detection, and electrochemical detection. Hach is committed to advancing water quality monitoring through innovative sensor technology and colorimetric analysis, providing essential solutions for environmental and industrial water testing needs.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hach Company. Retrieved from https://idiyas.com/company/hach-company
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]
4 patents (CIPO):
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]
63 patents (EPO):
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]