{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11512443","patent":{"patent_number":"US-11512443","title":"Manhole cover transparent to radiofrequency signals","assignee":null,"inventors":[],"filing_date":"2018-09-11T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["H04B"],"num_claims":5,"abstract":"A manhole cover for a manhole provided with an access opening and suitable for containing a device for transmitting a radiofrequency signal is described. The cover includes a wall for covering the access opening when the cover is in a closed position, where the wall includes at least one through-opening filled with a sealing material, the sealing material extending over the surface of the wall of the cover that is oriented towards the inside of the manhole when the cover is in a closed position, the sealing material comprising a material that is transparent to the propagation of a radiofrequency signal transmitted from and/or to the transmission device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Manhole cover transparent to radiofrequency signals","description":"A manhole cover for a manhole provided with an access opening and suitable for containing a device for transmitting a radiofrequency signal is described. The cover includes a wall for covering the acc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11512443","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-11512443","citation_suggestion":"Patentable. \"Manhole cover transparent to radiofrequency signals\" (US-11512443). https://patentable.app/patents/US-11512443","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11512443","json":"https://patentable.app/api/llm-context/US-11512443","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:20:34.717Z"}