Patent assignee · DE · COMPANY

Elster GMBH

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8Patents
8Active
8Granted
44Portfolio score

Filing activity: Aug 9, 2006 → Feb 9, 2017 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD693311S1 Control unit General 22 Active
USD682794S1 Control unit General 12 Active
US8062029B2 Method and radiant-heating device for heating an industrial furnace Emerging Cross-Sectional Technologies 2 Active
US9080923B2 Method for checking the leakproofness of safety valves Physics 1 Active
US8062027B2 Industrial burner and method for operating an industrial burner Emerging Cross-Sectional Technologies 0 Active
US7647826B2 Method and device for measuring operational density and/or operational sound velocity in a gaseous medium Physics 0 Active
US8283635B2 Method for determining the gas quality of a sample gas mixed at least in part with biogas or processed biogas Physics 0 Active
US10545127B2 Sensor and method for determining the air ratio of a fuel gas/air mixture Physics 0 Active

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