Patent assignee · DE · COMPANY

Purem GmbH

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98Patents
98Active
98Granted
65Portfolio score

Filing activity: Aug 3, 2017 → Apr 19, 2024

Most-cited patents

PatentTitleAreaCited byStatus
US11208935B2 Mixer Mechanical Engineering; Lighting; Heating 2 Active
US11441461B2 Mixer device Emerging Cross-Sectional Technologies 2 Active
US11486286B2 Connection unit for an exhaust gas heater Electricity 2 Active
US11566557B2 Exhaust system for an internal combustion engine and process for manufacturing an exhaust system Emerging Cross-Sectional Technologies 1 Active
US11578632B2 Exhaust gas heater Emerging Cross-Sectional Technologies 1 Active
US11585256B2 Exhaust gas/reactant mixing arrangement Emerging Cross-Sectional Technologies 1 Active
US11333084B2 Exhaust gas flap Mechanical Engineering; Lighting; Heating 1 Active
US11486285B2 Exhaust gas heater Emerging Cross-Sectional Technologies 1 Active
US11702974B2 Exhaust gas/reactant mixing device Emerging Cross-Sectional Technologies 1 Active
US11408529B2 Exhaust flap Mechanical Engineering; Lighting; Heating 1 Active
US11466629B2 Exhaust-gas flap device Mechanical Engineering; Lighting; Heating 1 Active
US11248513B2 Silencer insert, silencer comprising the same and method for manufacturing a silencer insert Mechanical Engineering; Lighting; Heating 1 Active
US11168603B2 Mounting assembly unit Performing Operations; Transporting 0 Active
US12241396B2 Exhaust-gas treatment arrangement Mechanical Engineering; Lighting; Heating 0 Active
US11162406B2 Process for manufacturing an exhaust system Mechanical Engineering; Lighting; Heating 0 Active
US11536179B2 Exhaust gas treatment assembly unit Mechanical Engineering; Lighting; Heating 0 Active
US12180875B2 Gas introduction assembly for introducing gas, in particular air, into an exhaust gas system of an internal combustion engine Mechanical Engineering; Lighting; Heating 0 Active
US11278850B2 Mixer Emerging Cross-Sectional Technologies 0 Active
US11365668B2 Mixer assembly unit Mechanical Engineering; Lighting; Heating 0 Active
US12097752B2 Heating system for a vehicle and process for heating a vehicle Emerging Cross-Sectional Technologies 0 Active
US11795847B2 Exhaust muffler Mechanical Engineering; Lighting; Heating 0 Active
US11838995B2 Exhaust gas heater and method for making the same Emerging Cross-Sectional Technologies 0 Active
US11492942B2 Exhaust gas heater Emerging Cross-Sectional Technologies 0 Active
US11801568B2 Method for welding together two components, preferably of an exhaust system of an internal combustion engine, by resistance welding Mechanical Engineering; Lighting; Heating 0 Active
US12049839B2 Exhaust gas heating unit Emerging Cross-Sectional Technologies 0 Active

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