Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
10 Patents
#350 in Chicago, IL
#1,442 in Illinois
#29,892 in US
#56,119 in the World
Graymills Corporation
Forward Citations = 187
11 inventors:
Chicago, IL, United States of America
Graymills Corporation
Calculating rank
% Expired Patents = 10.0
Trademarks = 5
Forward Citations = 187
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11 inventors (with patents filed for the assignee):
Gerald N Shields (4 out of 5 patents)
Kenneth R Luedtke (4 out of 4 patents)
Timothy E Owens (2 out of 2 patents)
4. Gregg Eugene Johnson (1 out of 2 patents)
5. Richard M Soble (1 out of 2 patents)
6. Ronald L Blaul (1 out of 5 patents)
7. Brian Kent (1 out of 1 patent)
8. Craig J Shields (1 out of 1 patent)
9. Gary Pritchard (1 out of 1 patent)
10. Edward M Wetherby (1 out of 1 patent)
11. Robert E Schmalz, Jr (1 out of 1 patent)
10 patents:
Company Overview
Graymills Corporation, based in Chicago, IL, specializes in the design and manufacturing of fluid management systems and equipment. The company is renowned for its innovative solutions in industrial fluid applications, including pumps, filtration systems, and fluid dispensing technologies. With a strong focus on quality and performance, Graymills serves a diverse range of industries, providing tailored solutions that enhance operational efficiency and sustainability. Their commitment to engineering excellence positions them as a leader in fluid management technology.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graymills Corporation. Retrieved from https://idiyas.com/company/graymills
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]
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]
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]