Patent assignee · LI · COMPANY

INTERSURGICAL AG

83Patents
73Active
83Granted
54Portfolio score

Filing activity: May 29, 1991 → Mar 30, 2023 · 31 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD672037S1 Connector for tubing General 67 Active
US5195527A Respiratory filters Human Necessities 64 Expired
US7066177B2 Exhalation valves Human Necessities 59 Expired
USD754328S1 Respiratory mask General 53 Active
US5168868A Water trap for respiratory airline Human Necessities 49 Expired
US8646449B2 Anti-asphyxiation valves Human Necessities 48 Active
US5141024A Valve with paired helical ramps Emerging Cross-Sectional Technologies 28 Expired
US8726901B2 Ventilation tubes Performing Operations; Transporting 27 Active
US7735486B2 Medical respiratory apparatus Human Necessities 21 Expired
US8181940B2 Humidification chambers Human Necessities 21 Active
USD693920S1 Airway device General 20 Active
US9669181B2 Breathing systems Performing Operations; Transporting 19 Active
USD692128S1 Diaphragm valve for breathing apparatus General 17 Active
USD724208S1 Laryngoscope General 13 Active
USD775323S1 Breathing mask General 12 Active
US7383852B2 Self sealing water trap Emerging Cross-Sectional Technologies 12 Expired
USD672459S1 Angled connector for tubing General 12 Active
USD703808S1 Breathing mask General 11 Active
USD830548S1 Accessory for medical care apparatus General 10 Active
USD665254S1 Airway device packaging General 10 Active
USD742507S1 Sensor with connector for resiratory circuit General 9 Active
USD820982S1 Laryngoscope General 9 Active
US8181938B2 Humidification chambers Human Necessities 9 Active
USD739523S1 Respiratory equipment General 9 Active
USD720846S1 Breathing mask General 9 Active

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