Blasting method and blasting accessory

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7387071
APP PUB NO 20070272108A1
SERIAL NO

10574324

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drill hole (350) extends into rock to be blasted. A blasting accessory (310) includes a container portion (312) for holding a predetermined volume of stemming material, and a spacer (330) for spacing the stemming material a predetermined distance from a surface, e.g. a blind bottom of the drill hole. The container portion has a top (320) surrounded by a dilatable, inverted skirt forming a seal (342), and forms a support for a blasting substance like an explosive.

First Claim

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL TECHNOLOGIES LLC5 MAIN STREET ELKINS WV 26241

International Classification(s)

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  • 2004 Application Filing Year
  • F42D Class
  • 6 Applications Filed
  • 1 Patents Issued To-Date
  • 16.67 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200420052006200720082009201020112012201320140255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Collinsworth, Stephen Mitchell Stanton, KY 4 23
Heinke, Nils Alberto Elkins, WV 5 26
Skaggs, Roger Dean Bonne Terre, MO 6 61

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Patent Citation Ranking

  • 18 Citation Count
  • F42D Class
  • 87.50 % this patent is cited more than
  • 17 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges6111 - 1021 - 3031 - 4000.511.522.533.544.555.566.5

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