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US Patent 8225458 Intelligent door restraint

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
November 30, 2005
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Date of Patent
July 24, 2012
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Patent Application Number
11290168
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Patent Citations Received
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US Patent 12129706 Control arrangement for an entrance system having one or more revolving door movable door members
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US Patent 11913273 Motorized door assembly with safety features for heated cabinet
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US Patent 11946307 Control arrangement for an entrance system having one or more swing door movable door members
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US Patent 12012794 Swing door operator system and a method of regulating a swing door operator
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US Patent 12123247 Access control system comprising a sliding door and visualization of status information
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US Patent 11697960 Parallel operation of door operators
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US Patent 11712637 Steerable disk or ball
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US Patent 11761253 Finger pinch protection for an entrance system
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US Patent 11851935 Door opener capable of controlling door closing speed
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US Patent 11859431 Swing door-based entrance system with automatic recognition of linkage reduction
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•••
Patent Inventor Names
Steven M. Hoffberg
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
8225458
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Patent Primary Examiner
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Thomas A Beach
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