{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11291869","patent":{"patent_number":"US-11291869","title":"Modular powered air purifying respirator system","assignee":null,"inventors":[],"filing_date":"2018-11-14T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["G05D"],"num_claims":19,"abstract":"A modular powered air purifying respirator (PAPR) is provided including one or more of a first inlet configured to receive an ambient gas; a gas filter in fluid communication with the first inlet and configured to filter the ambient gas; a blower configured to boost at least one of a flow rate or a pressure of the ambient gas entering and/or exiting the gas filter; a second and independent inlet configured to receive a non-ambient gas; a first outlet configured to selectively provide a breathing gas to a user from the ambient gas or the non-ambient gas; and/or a controller and switching device configured to select the source of the breathing gas between the first inlet and the second inlet. Embodiments may also include a power source for the blower."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Modular powered air purifying respirator system","description":"A modular powered air purifying respirator (PAPR) is provided including one or more of a first inlet configured to receive an ambient gas; a gas filter in fluid communication with the first inlet and ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11291869","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11291869","citation_suggestion":"Patentable. \"Modular powered air purifying respirator system\" (US-11291869). https://patentable.app/patents/US-11291869","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11291869","json":"https://patentable.app/api/llm-context/US-11291869","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:49:54.773Z"}