{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9638643","patent":{"patent_number":"US-9638643","title":"Particulate contamination measurement method and apparatus","assignee":null,"inventors":[],"filing_date":"2013-03-28T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N","G01N","G01N","G01N"],"num_claims":19,"abstract":"A particulate contamination measurement method and apparatus are discussed. The method, for example, comprises pressing a measurement surface (5) of a polyurethane elastomer (2) against a surface (7) to be measured, removing the polyurethane elastomer from the surface without leaving residues, then using an optical apparatus (11) to detect particles (8) which have been removed by the polyurethane elastomer from the surface and which have become attached to the polyurethane elastomer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Particulate contamination measurement method and apparatus","description":"A particulate contamination measurement method and apparatus are discussed. The method, for example, comprises pressing a measurement surface (5) of a polyurethane elastomer (2) against a surface (7) ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9638643","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-9638643","citation_suggestion":"Patentable. \"Particulate contamination measurement method and apparatus\" (US-9638643). https://patentable.app/patents/US-9638643","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9638643","json":"https://patentable.app/api/llm-context/US-9638643","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:04:36.023Z"}