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USPTO Data Jan 1 1976 - Oct 13 2026
9 Patents
#167 in
#1,703 in Canada
Handy Chemicals Ltd.
Forward Citations = 80
13 inventors:
Handy Chemicals Ltd.
CIPO Patents = 3
Trademarks = 2
Forward Citations = 80
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13 inventors (with patents filed for the assignee):
Carmel R Jolicoeur (5 out of 11 patents)
Dieter Haase (5 out of 5 patents)
Nelu Spiratos (4 out of 4 patents)
4. Ioan Spiratos (2 out of 5 patents)
5. Russell Hill (1 out of 61 patents)
6. Thi Cong To (1 out of 8 patents)
7. Monique Page (1 out of 4 patents)
8. Denis Pothier (1 out of 1 patent)
9. Robert M Christie (1 out of 1 patent)
10. Mario Dupuis (1 out of 1 patent)
11. Lionel De Waltoff (1 out of 1 patent)
12. Siddiq A Khan (1 out of 1 patent)
13. William O Layer (1 out of 1 patent)
14. Dieter Haase (0 patent)
15. Carmel Jolicoeur (0 patent)
9 patents:
Company Overview
Handy Chemicals Ltd. is a leading manufacturer of specialty chemicals for various industries. With over 20 years of experience, we offer a wide range of high-quality products designed to meet the needs of our customers. Our commitment to innovation, quality, and customer service sets us apart in the industry.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Handy Chemicals Ltd.. Retrieved from https://idiyas.com/company/handy-chemicals
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]
3 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]
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]