{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Syncro", "item": "https://www.patentleaderboard.com/company/syncro"}, {"@type": "ListItem", "position": 3, "name": "Thomas F. Carmichael", "item": "https://www.patentleaderboard.com/inventor/fl:th_ln:carmichael-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TC

Thomas F. Carmichael — 2 Patents

SYSyncro: 2 patents #2 of 7Top 30%
Ortonville, MI: #92 of 227 inventorsTop 45%
Michigan: #35,377 of 86,293 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Thomas F. Carmichael has been granted 2 US patents while listed as an inventor at Syncro. The first was granted in 1980 and the most recent in May 1989. Thomas F. Carmichael ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Thomas F. Carmichael in Ortonville, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4829970 Ignition system 1989-05-16
4195256 Alternator with parallel windings and regulator therefor 1980-03-25