Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MC

Marc Chapet — 1 Patent

CLClextral: 1 patents #20 of 40Top 50%
Unieux, FR: #7 of 11 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Marc Chapet has been granted 1 US patent while listed as an inventor at Clextral. All of these patents were granted in 1986. Marc Chapet ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Marc Chapet in Unieux, FR.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4590033 Multi-lobe composite casing for a multi-screw processing machine 1986-05-20