{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9766178","patent":{"patent_number":"US-9766178","title":"Optical sensor","assignee":null,"inventors":[],"filing_date":"2013-05-28T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":32,"abstract":"An optical sensor is described for distinguishing between liquids of different refractive index, through strength of interference caused by an optical cavity having an exposed optical boundary in contact with such liquids. The sensor may be used, for example, to distinguish between water and aviation fuel in an aircraft fuel tank."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical sensor","description":"An optical sensor is described for distinguishing between liquids of different refractive index, through strength of interference caused by an optical cavity having an exposed optical boundary in cont","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9766178","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-9766178","citation_suggestion":"Patentable. \"Optical sensor\" (US-9766178). https://patentable.app/patents/US-9766178","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9766178","json":"https://patentable.app/api/llm-context/US-9766178","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:18:31.389Z"}