Extruder with feed-back means

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8231264
APP PUB NO 20090028978A1
SERIAL NO

11795402

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Extruder (1) for processing material, comprising an extruder barrel (3) containing a bore (5) and at least one extruder screw (11) positioned within said bore, the bore having an upstream inlet portion for feeding the material to be processed and a downstream outlet portion connectable to an extruder exit (7) for material processed through the extruder, the at least one extruder screw has a length:diameter ratio of less than 20:1, the extruder further comprising at least one recycling channel (13, 15) running through the barrel from the outlet portion of the bore and at least two recycling exits (19, 21, 23) that connect a recycling channel to the bore upstream of the outlet portion by and further comprising means for directing the material through the at least one recycling channel and the recycling exits and/or the extruder exit.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
XPLORE INSTRUMENTS B VURMONDERBAAN 22 GELEEN 6167 RD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tiesnitsch, Johannes Ijsbrand Weert, NL 7 1

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 31, 2020
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 31, 2024
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00