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Last Updated: September 28, 2020

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Patent: 4,350,647

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Summary for Patent: 4,350,647
Title: Permanent adapter for a medical humidifier
Abstract:An adapter for connection between an oxygen flowmeter and a water bottle whose contents humidify oxygen fed to a patient. An audible duckbill valve is mounted on a valve seat transverse to the longitudinal axis of the connector. When oxygen pressure through the connector becomes excessive, the valve opens, producing an audible sound to alert an attendant to the condition.
Inventor(s): de la Cruz; Exequiel (Palatine, IL)
Assignee: Respiratory Care, Inc. (Arlington Heights, IL)
Application Number:06/275,220
Patent Claims:see list of patent claims

Details for Patent 4,350,647

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 001 2006-05-25   Start Trial Respiratory Care, Inc. (Arlington Heights, IL) 2039-09-23 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial Respiratory Care, Inc. (Arlington Heights, IL) 2039-09-23 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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