US Patent 7217372 Magnetorheological composition
Patent 7217372 was granted and assigned to Lord Corporation on May, 2007 by the United States Patent and Trademark Office.
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Patent abstract
The invention provides a magnetorheological device employing narrow design gap and containing a magnetic-responsive composition exhibiting reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological device of defined gap, and employing a magnetic-responsive composition characterized by comprising non-sperical magnetic-responsive particles of average number diameter distribution (d50) from 6 to 100 microns and at least one friction-reducing additive that reduces the interparticle friction between the magnetic-responsive particles.
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US Patent 07217372 Magnetorheological composition US Patent 7217372 Magnetorheological composition
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Patent Number
0721737212
Patent Number
721737212
Edits on 21 May, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072173721
Date of Patent
May 15, 2007
1Patent Application Number
102863031
Date Filed
November 1, 2002
1Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072173721
Date of Patent
May 15, 2007
1Patent Application Number
102863031
Date Filed
November 1, 2002
1Official Website
Patent Primary Examiner
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US Patent 07217372 Magnetorheological composition
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07217372
Date of patent
May 15, 2007
Patent application number
10286303
Date Filed
November 1, 2002
Patent primary examiner
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