Sergio De Leon — 12 Patents at Polytec Gmbh

Sergio De Leon has been granted 12 US patents while listed as an inventor at Polytec Gmbh. The first was granted in 2004 and the most recent in November 2025. Sergio De Leon ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Sergio De Leon in Madrid, NC, ES.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date
D1100538	Soap dispenser	—	2025-11-04
D1095316	Incense burner	—	2025-09-30
D1052761	Candle	—	2024-11-26
7195685	Nonwoven fabric having improved performance	Errette Bevins, Nick Carter	2007-03-27
7188397	Flame-retardant imaged nonwoven fabric	Herbert Hartgrove, Samuel Keith Black, Friso Joost Hijenga	2007-03-13
7045030	Lightweight nonwoven fabric having improved performance	Errette Bevins	2006-05-16
7015158	Hydroentangled filter media and method	Charles Pearce, Michael Putnam, Cheryl Carlson, Ping Hao	2006-03-21
7008889	Imaged nonwoven fabric comprising lyocell fibers	Samuel Keith Black	2006-03-07
6930064	Flame-retardant imaged nonwoven fabric	Herbert Hartgrove, Samuel Keith Black, Friso Joost Hijenga	2005-08-16
6905524	Method of continuously dyeing nonwoven fabrics and the products thereof	Herbert Hartgrove	2005-06-14
6764971	Imaged nonwoven fire-retardant fiber blends and process for making same	Karl Kelly, Thomas Hill, Francois Lapierre, Spiro De Luca	2004-07-20
6750161	Stretchable laminate	Michael Putnam, Herbert Hartgrove	2004-06-15

Sergio De Leon — 12 Patents

Issued Patents All Time

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