Patent assignee · US · COMPANY

Par Technologies, LLC

5Patents
2Active
5Granted
35Portfolio score

Filing activity: Sep 14, 2001 → Mar 11, 2009 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7198250B2 Piezoelectric actuator and pump using same Mechanical Engineering; Lighting; Heating 31 Expired
US8253307B2 Circuits for harvesting energy from piezoelectric devices Electricity 30 Active
US7239066B2 Piezoelectric generators and methods of operating same Electricity 12 Expired
US7191503B2 Method of manufacturing a piezoelectric actuator Emerging Cross-Sectional Technologies 3 Expired
US7969064B2 Piezoelectric devices and methods and circuits for driving same Electricity 2 Active

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