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USPTO Patent Rankings Data through Dec 31, 2025
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Sylvain Leclercq — 9 Patents

SESercel: 2 patents #44 of 149Top 30%
MEMessier-Bugatti-Dowty: 1 patents #86 of 211Top 45%
SASafran: 1 patents #203 of 487Top 45%
SSSafran Landing Systems: 1 patents #106 of 255Top 45%
SNSnecma: 1 patents #813 of 1,717Top 50%
Moissy-Cramayel, FR: #195 of 1,676 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Sylvain Leclercq has been granted 9 US patents while listed as an inventor at Sercel. The first was granted in 1989 and the most recent in December 2025. Sylvain Leclercq ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Sylvain Leclercq in Moissy-Cramayel, FR.

Patents per Year

Patents granted per year, 1989 to 2025Bar chart with a peak of 4 patents in 2025.peak 41989: 1 patents19892009: 1 patents20092012: 1 patents20122016: 1 patents20162019: 1 patents20192025: 4 patents2025

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12508780 Fibrous reinforcement for the manufacture of a composite part intended to be articulated with other parts Quentin ROIRAND, Dominique Coupe, Nicolas Tran, Pietro Del Sorbo 2025-12-30
12491688 Method for manufacturing a composite material part intended to be articulated to other parts Quentin ROIRAND, Dominique Coupe, Nicolas Tran 2025-12-09
12447698 Machinery for winding a fibrous textured material, and associated winding method Quentin ROIRAND, Dominique Coupe, Thierry CHAUVIN, Nicolas Tran 2025-10-21
12385544 Diaphragm holder for an oleo-pneumatic-type shock absorber Franck Lecuyer, Mathieu Joubert, Quentin ROIRAND 2025-08-12
10514773 Foot-operated controller, device and furniture comprising it, method of operating it Valerio Bonora, Stanislas Chesnais, Emmanuel Fromy 2019-12-24
9415863 Fiber reinforcement for making an elongate mechanical part out of composite material Bruno Jacques Gerard Dambrine, Dominique Coupe 2016-08-16
8113135 Device for closing a fuselage connected to a towed submarine object and the appliance thus equipped Samuel Catherin 2012-02-14
7610871 Dynamic stabilisation device for a submarine vehicle Stephane Tollet 2009-11-03
4846840 Joint prosthesis Jacques-Hubert Aubriot, Vincent Mercier 1989-07-11

Frequent Collaborators

Quentin ROIRAND4 shared
Dominique Coupe4 shared
Nicolas Tran3 shared
Thierry CHAUVIN1 shared
Emmanuel Fromy1 shared
Bruno Jacques Gerard Dambrine1 shared

Nearby-Ranked Inventors

Scott Luro9
Kunpeng Zhu9
LuLu Chen9
Chun-Ta Liu9
Shoham Levy9
Min Wook Lee9
Aaron D. Kovar9
Pradeepkumar Ashok9
Ok Chae Kim9