Powder dustiness evaluation method and powder dustiness evaluation device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10684222
APP PUB NO 20190025206A1
SERIAL NO

16082620

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention intends to provide a method by which the scattering property of a powder can be more clearly evaluated. There is provided a method for evaluating a scattering property of a powder, the method including dropping a powder to be evaluated onto a liquid placed in a box, thereby scattering the powder as dust in the box, and measuring a dust concentration in air in the box with a dust meter. There is also provided an apparatus for evaluating a scattering property of a powder, the apparatus including a box in which a liquid is to be placed, and a dust meter that measures a dust concentration in air in the box when the powder to be evaluated drops onto the liquid placed in the box and scatters as dust.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
YOSHINO GYPSUM CO LTDTOKYO 100

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horiuchi, Tatsuya Tokyo, JP 11 17
Sugano, Kenichi Tokyo, JP 9 25

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 Dec 16, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 16, 2031
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