Interference-suppressed universal motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6982512
APP PUB NO 20050174005A1
SERIAL NO

11053406

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A universal motor having two carbon brushes (2a, 2b) and two series connected field coils (4a, 4b). The universal motor having an interference suppressing capacitor (5) with a first terminal (6a) connected directly to the first carbon brush (2a) and connected with a field coil (4a) in a conducting manner. The interference suppressing capacitor (5) also including a second terminal (6b) connected directly to the second carbon brush (2b) and connected to a power line (8b) in a conducting manner.

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFT9494 SCHAAN

International Classification(s)

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  • 2005 Application Filing Year
  • H02K Class
  • 1166 Applications Filed
  • 631 Patents Issued To-Date
  • 54.12 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20052006200720082009201020112012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hunger, Josef Olching, DE 9 151
Reiner, Michael Untermeitingen, DE 12 392
Schuster, Hermann Geltendorf, DE 7 31

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Patent Citation Ranking

  • 3 Citation Count
  • H02K Class
  • 2.23 % this patent is cited more than
  • 19 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1021613645196933101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80100 +0102030405060708090100110120130140150160170180190200210220230

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