Screen plate for screening plants for mechanical classification of polysilicon

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11059072
APP PUB NO 20180185882A1
SERIAL NO

15737728

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Polysilicon chunks or granules are classified into size fractions using a mechanical screen having a profiled surface having peaks and valleys, and terminating in widening slots through which a polysilicon size fraction falls. The device is effective and the slots are resistant to clogging.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SILTRONIC AG81677 MÜNCHEN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergmann, Andreas Kastl, DE 209 1236
Buschhardt, Thomas Burghausen, DE 22 188
Ehrenschwendtner, Simon Winhoering, DE 3 9
Fraunhofer, Christian Mitterskirchen, DE 2 8

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
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 13, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 13, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 13, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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