GUANGZHOU SPECIAL PRESSURE EQUIPMENT INSPECTION AND RESEARCH INSTITUTE
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 25, 2017 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2 Total Citation Count
- Dec 01, 2014 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9714181 Terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation methodDec 29, 14Jul 25, 17[C09K, C02F]
9714182 Phosphorus-free corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation methodDec 01, 14Jul 25, 17[C09K, F28F, F24D, C23F, C02F]
Expired/Abandoned/Withdrawn Patents
- No Patents to Display
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