{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9731731","patent":{"patent_number":"US-9731731","title":"Fuel management system and method","assignee":null,"inventors":[],"filing_date":"2015-11-05T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["B61L","B61L","B61L","B61L","G05B","B61L"],"num_claims":20,"abstract":"A system includes an engine and a controller. The engine is capable of multiple operating modes, and each mode has a relatively different fuel ratio such that as the engine is changed from a first operating mode having a first ratio of a first fuel to a second fuel to a second operating mode having a second ratio of the first fuel to the second fuel. The controller is operable to change the engine from one operating mode to another operating mode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fuel management system and method","description":"A system includes an engine and a controller. The engine is capable of multiple operating modes, and each mode has a relatively different fuel ratio such that as the engine is changed from a first ope","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9731731","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-9731731","citation_suggestion":"Patentable. \"Fuel management system and method\" (US-9731731). https://patentable.app/patents/US-9731731","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9731731","json":"https://patentable.app/api/llm-context/US-9731731","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:41:51.756Z"}