Inventor
SIEGL ROBERT
AT31 patents
⚠️ This page may combine multiple inventors who share the name “SIEGL ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPLA WERKE ALWIN LEHNER GMBH & CO KG
17 patentsUS12343910B2Jul 1, 2025
Method for producing an rPET plastic material for use in a thin-wall injection molding method and containers, such as cups, bowls, trays or multi-compartment packagings produced by the thin-wall injection molding method
ALPLA WERKE ALWIN LEHNER GMBH & CO KG2 citations74
US11028248B2Jun 8, 2021
System and process for recycling contaminated polyolefins
ALPLA WERKE ALWIN LEHNER GMBH & CO KG3 citations73
US11046481B2Jun 29, 2021
Stand sleeve for a plastic container capable of withstanding internal pressure
ALPLA WERKE ALWIN LEHNER GMBH & CO KG2 citations72
US11794378B2Oct 24, 2023
Method for reclaiming thermoplastic materials intended for recycling
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations62
US11642814B2May 9, 2023
Recycled pet barrier bottle
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations62
US11020886B2Jun 1, 2021
Method for producing thin-walled small plastic parts and thin-walled small plastic parts
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations62
US11014326B2May 25, 2021
Preforms and method for producing preforms
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations62
US10689144B2Jun 23, 2020
Plastic container with a cut neck produced in a stretch blow-molding method
ALPLA WERKE ALWIN LEHNER GMBH & CO KG1 citations62
US12589905B2Mar 31, 2026
Fiber-based container
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations61
US11912458B2Feb 27, 2024
Plastic container having at least a regional sharp-edged container geometry and process for producing the plastic container
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations53
US12515831B1Jan 6, 2026
Method for filling a plastic container
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations52
US12559283B2Feb 24, 2026
Refillable plastic container
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations51
US11897641B2Feb 13, 2024
Aerosol container made of plastic
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations51
US11794398B2Oct 24, 2023
Process for producing a blow-moulded plastic container and such a plastic container
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations51
US11014280B2May 25, 2021
Preform for producing a plastic container, production of the preform and plastic container produced from the preform, as well as its production
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations51
US10093472B2Oct 9, 2018
Stretch blow-molded plastic container, in particular plastic bottle, for compensating volume changes of the filling material, and preform
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations51
US10493683B2Dec 3, 2019
Stretch blow molding process
ALPLA WERKE ALWIN LEHNER GMBH & CO KG0 citations41
SIEGL ROBERT
4 patentsUS9233771B2Jan 12, 2016
Preform for producing plastic containers in a stretch blow moulding process and method for producing the preform
SIEGL ROBERT11 citations82
US8486325B2Jul 16, 2013
Parison and method for the production of plastic bottles
SIEGL ROBERT11 citations82
US8617676B2Dec 31, 2013
Preform for producing plastic containers in a two-stage stretch blow-moulding process
SIEGL ROBERT0 citations50
US8604116B2Dec 10, 2013
Plastic formulation and method for the production of plastic bottles in a two-stage stretch blow-molding process
SIEGL ROBERT1 citations50