Head valve system for air spring power tool

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12263568
APP PUB NO 20230081812A1
SERIAL NO

17475560

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Importance

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Abstract

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A power tool includes an air spring cylinder. A piston is movably positioned within the cylinder. A head valve assembly of the power tool includes a flapper valve configured to seal the air spring cylinder from an air accumulator when the flapper valve is in a non-firing position.

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBHPOSTFACH 30 02 20 70442 STUTTGART 70442
ROBERT BOSCH POWER TOOLS GMBHMAX-LANG-STRASSE 40 – 46 LLEINFELDEN-ECHTERDINGEN 70771

International Classification(s)

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  • 2021 Application Filing Year
  • B25C Class
  • 124 Applications Filed
  • 86 Patents Issued To-Date
  • 69.36 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Po, Chien-Kuo Taichung, TW 25 244
Tam, Ramon Buffalo Grove, US 21 231
Wierzchon, Peter Morton Grove, US 12 42

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Patent Citation Ranking

  • 0 Citation Count
  • B25C Class
  • 0 % this patent is cited more than
  • < 1 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges76005101520253035404550556065707580

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