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Last Updated: September 27, 2020

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Patent: 4,134,940

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Summary for Patent: 4,134,940
Title: Humidifier adapter with audio relief valve
Abstract:An adapter for a humidifier is provided that mounts on a sealed container of purified or sterile water and connects usually to a flowmeter which is attached to a pressurized gas container. The adapter includes a spike member to pierce the container wall, a pressure chamber defined between the inner wall of the adapter and the spike member, and port means in the adapter wall establishing communication between the pressure chamber and the outside atmosphere. An audible relief valve means is located in the port to effect audible pressure relief under above normal pressure conditions in the pressure chamber during the humidifying process while pressurized gas is being introduced into the water to moisten the gas.
Inventor(s): Sherman; Robert M. (Glenview, IL)
Assignee: Aerwey Laboratories, Inc. (Arlington, TX)
Application Number:05/845,407
Patent Claims:see list of patent claims

Details for Patent 4,134,940

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 Aerwey Laboratories, Inc. (Arlington, TX) 2039-09-23 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial Aerwey Laboratories, Inc. (Arlington, TX) 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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