{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2021", "item": "https://www.patentleaderboard.com/2021/"}, {"@type": "ListItem", "position": 3, "name": "Kidde Technologies", "item": "https://www.patentleaderboard.com/2021/company/kidde-technologies"}, {"@type": "ListItem", "position": 4, "name": "John Wright Porterfield, Jr.", "item": "https://www.patentleaderboard.com/2021/inventor/fl:jo_ln:porterfield-2"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JJ

John Wright Porterfield, Jr. — 1 Patent in 2021

KTKidde Technologies: 1 patents #4 of 29Top 15%
Rolesville, NC: #4 of 8 inventorsTop 50%
North Carolina: #1,964 of 5,924 inventorsTop 35%
Overall (2021): #393,636 of 548,734Top 75%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10987530 Automatic fire extinguisher system having a safety assembly David Frasure, Doug John Baxendell, Christopher Wilson, Terry Simpson, Kevin R. Leitch +1 more 2021-04-27