Patent assignee · US · COMPANY

Piezotech LLC

20Patents
18Active
20Granted
47Portfolio score

Filing activity: Oct 15, 2003 → Sep 3, 2015 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9050628B2 Pulse-echo acoustic transducer Electricity 10 Active
US7494602B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 6 Active
US7132057B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 4 Expired
US9105836B2 Enhanced bandwidth transducer for well integrity measurement Electricity 3 Active
US9142752B2 Low frequency broad band ultrasonic transducers Physics 3 Active
US9664030B2 High frequency inspection of downhole environment Physics 2 Active
US7548013B2 High temperature piezo buzzer Electricity 2 Active
US9976406B2 Enhanced bandwidth transducer method for well integrity measurement Electricity 2 Active
US7547401B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 2 Active
US8552127B2 Method for the production of terpolymers based on VDF, TRFE and CFE, or CTFE Chemistry; Metallurgy 1 Active
US9290587B2 Method for the production of terpolymers based on VDF, TRFE and CFE Chemistry; Metallurgy 1 Active
US8908889B2 Temperature compensated piezoelectric buzzer Physics 1 Active
US8216488B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 1 Active
US9690956B2 Ultrasonic identification of replaceable component for host system Human Necessities 0 Active
US8984945B2 System and device for acoustic measuring in a medium Physics 0 Active
US9078067B2 Sounder assembly for explosive environment Electricity 0 Active
US9141834B2 Ultrasonic identification of replaceable component for host system Human Necessities 0 Active
US8900475B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 0 Active
US7560043B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 0 Active
US7303692B2 Compositions for high power piezoelectric ceramics Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.