{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Basf Se", "item": "https://www.patentleaderboard.com/company/basf-se"}, {"@type": "ListItem", "position": 3, "name": "Erwin Calgua", "item": "https://www.patentleaderboard.com/inventor/fl:er_ln:calgua-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EC

Erwin Calgua — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Edenkoben, DE: #20 of 105 inventorsTop 20%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Erwin Calgua has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2011 and the most recent in November 2013. Erwin Calgua ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Erwin Calgua in Edenkoben, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8578876 Method for the production of composite elements based on isocyanate-based foams Bernd Schaper, Lars Schoen, Peter von Malotki, Pit Lehmann, Michael Thater 2013-11-12
8007611 Method for the production of composite elements based on mineral or organic thermal insulation materials with the aid of an adhesive Erhard Gleinig, Michael Thater 2011-08-30
7871489 Method for the production of composite elements based on isocyanate-based foams Bernd Schaper, Lars Schoen, Peter von Malotki, Pit Lehmann, Michael Thater 2011-01-18