Electromagnetic transducer apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8049375
APP PUB NO 20100061867A1
SERIAL NO

12294449

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An electromagnetic transducer apparatus (10) includes a core (30, 31) providing a pair of yokes (34, 35) between which there is an air gap (38, 39), at least one coil (32) disposed about the core (30, 31), an armature (14) moveable in the air gap (38, 39) in response to the coil (32) being energised, the armature (14) being mounted between a pair of suspension springs (22, 23), and characterized in that the armature (14) includes a cylinder (14) in which is disposed a piston (12) which is immovable relative to the core (30, 31).

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
THE HYMATIC ENGINEERING COMPANY LIMITEDBRACKNELL BERKSHIRE RG12 1EB

International Classification(s)

loading....
  • 2007 Application Filing Year
  • H02K Class
  • 1202 Applications Filed
  • 772 Patents Issued To-Date
  • 64.23 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2007200820092010201120122013201420152016201720180255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheuk, Chun Fai Redditch, GB 3 3

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • H02K Class
  • 0 % this patent is cited more than
  • 14 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges25431195703014441101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 90100 +0255075100125150175200225250275300325350375400425450475

Forward Cite Landscape

Load Citation