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USPTO Patent Rankings Data through Dec 31, 2025
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Eric Perrin — 15 Patents

SOSollac: 7 patents #2 of 297Top 1%
ASAscometal: 5 patents #2 of 34Top 6%
SDSociete Anonyme Des Forges Et Acieries De Dilling: 5 patents #1 of 9Top 15%
USUgine Savoie: 4 patents #1 of 20Top 5%
SDS.A. Lhoist Recherche Et Développement: 3 patents #10 of 67Top 15%
UIUgine-Savoie Imphy: 2 patents #2 of 24Top 9%
CACentre De Recherches Metallurgiques Asbl: 1 patents #8 of 34Top 25%
ULUnimetal Societe Francaise Des Aciers Longs: 1 patents #2 of 22Top 10%
UCUniversité De Reims Champagne-Ardenne: 1 patents #16 of 102Top 20%
DGDiehl Metering Systems Gmbh: 1 patents #19 of 29Top 70%
CMCentre De Recherches Metallurgiques-Centrum Voor Research In De Metallurgie: 1 patents #20 of 57Top 40%
SASappel: 1 patents #2 of 9Top 25%
USUsinor: 1 patents #68 of 185Top 40%
Paris, FR: #445 of 13,709 inventorsTop 4%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Eric Perrin has been granted 15 US patents while listed as an inventor at Sollac. The first was granted in 1993 and the most recent in August 2025. Eric Perrin ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Eric Perrin in Paris, FR.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12378619 Process for manufacturing a slag conditioning agent for steel desulfurization Souliyann Chunlamani 2025-08-05
11932914 Process for manufacturing a slag conditioning agent for steel desulfurization Souliyann Chunlamani 2024-03-19
11828652 Method for characterising samples using neural networks Valeriu Vrabie, Sihem Mezghani 2023-11-28
10863253 Method for operating a mobile readout system and readout receiver Guy Bach, Bernard Dockwiller, Thomas Blank, Petra Joppich-Dohlus, Thomas Kauppert +2 more 2020-12-08
10822668 Process for dephosphorization of molten metal during a refining process Michael Nispel, Guillaume Criniere, Thierry Chopin, Jose Noldin 2020-11-03
6354363 Ingot mould with multiple angles for loaded continuous casting of metallurgical product Gerard Perrin, Cosimo Salaris, Howard Weisseldinger 2002-03-12
6318449 Mould head for the vertical hot-top continuous casting of metal products elongate cross section Jean-Marc Jolivet, Jacques Spiquel, Cosimo Salaris 2001-11-20
6311762 Method and device for continuous metal charge casting Cosimo Salaris, Weisseldinger Edouard 2001-11-06
6260605 Facility and method for the continuous casting of metals Jean-Marc Jolivet, Cosimo Salaris, Jacques Spiquel, Edouard Weisseldinger, Marc Burty 2001-07-17
6135197 Two-material mold for the vertical hot-top continuous casting of metals Jean-Marc Jolivet, Cosimo Salaris, Jacques Spiquel 2000-10-24
6109335 Ingot mould for the continuous vertical casting of metals Jean-Marc Jolivet 2000-08-29
6102100 Continuous casting mold for metals Jean-Marc Jolivet 2000-08-15
6050324 Continuous casting mold for the vertical casting of metals Jean-Marc Jolivet, Jacques Spiquel 2000-04-18
5682942 Method of lubricating the walls of a mold for the continuous casting of metals and mold for its implementation Jacques Spiquel, Jean-Marc Jolivet, Pierre Courbe, Paul Naveau 1997-11-04
5259251 Device for counting rotations Daniel Brinster 1993-11-09

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