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Class Information
Number: 49/26
Name: Movable or removable closures > Safety means responsive to obstruction to closure
Description: Device wherein an element of a closure moving means has provision for discontinuing, reversing or preventing the application of a moving force to the closure if the closure meets abnormal resistance or is subjected to a force in a different direction.


Sub-classes under this class:

Class Number Class Name Patents
49/28 Closure drive stopping or reversal 351
49/27 Sensing shoe on leading edge 91


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7616895 Safety edge with status and failure recognition Nov. 10, 2009
7609017 Open/close body drive device Oct. 27, 2009
7592767 System and related methods for diagnosing operational performance of a motorized barrier operator Sep. 22, 2009
7575101 Device for detecting objects on a glass door and elevator equipped therewith Aug. 18, 2009
7576504 Pivoting and barrier locking operator system Aug. 18, 2009
7573221 Wireless liftgate control system Aug. 11, 2009
7528704 Method and device for preventing injuries and material damage caused by motor vehicle doors May. 5, 2009
7525267 Barrier operator controller with optical limit switches Apr. 28, 2009
7509991 Parking barrier with accident event logging and self-diagnostic control system Mar. 31, 2009
7504787 Capacitive squeeze protecting device Mar. 17, 2009
7393043 Method and system for determining full open position of a power liftgate Jul. 1, 2008
7378641 Device and method for identifying an object in or on a closable opening May. 27, 2008
7362068 Closing member control system Apr. 22, 2008
7355363 Barrier operator controller with optical limit switches Apr. 8, 2008
7354097 Power-actuated closure system Apr. 8, 2008
7342368 Automated garage door closer Mar. 11, 2008
7320497 Power lift gate for automotive vehicle Jan. 22, 2008
7271560 Assembly for moving a barrier and method of controlling the same Sep. 18, 2007
7265508 Movable light for use with a movable barrier operator Sep. 4, 2007
7262572 System and method for providing a macro for a barrier operator Aug. 28, 2007
7240941 Vehicle storage assembly with adjustable door Jul. 10, 2007
7228883 Motorized barrier operator system utilizing multiple photo-eye safety system and methods for installing and using the same Jun. 12, 2007
7224136 Control apparatus for closure device May. 29, 2007
7219945 Power lift gate for automotive vehicle May. 22, 2007
7221118 Composite sensor for door and automatic door system May. 22, 2007
7211975 Motorized barrier operator system adaptable to different safety configurations and methods for programming the same May. 1, 2007
7183732 Motorized barrier operator system for controlling a stopped, partially open barrier and related methods Feb. 27, 2007
7183733 Opening and closing member control apparatus Feb. 27, 2007
7178289 Self-correcting sensor for an entrance Feb. 20, 2007
7175227 Sensor system for vehicle door Feb. 13, 2007
7176647 Light-emitting device having a phosphor particle layer with specific thickness Feb. 13, 2007
7173389 Motorized barrier operator adapted to vary operator force for safety purposes and methods for accomplishing the same Feb. 6, 2007
7170244 Power closure with anti-pinch Jan. 30, 2007
7162835 Gravity safety door for an apparatus for manufacturing or inspecting semiconductors Jan. 16, 2007
7161320 Control device Jan. 9, 2007
7156454 Mechanism for preventing closure of automobile doors Jan. 2, 2007
7158043 Method and system for remotely monitoring garage door position Jan. 2, 2007
7151450 Door with a safety antenna Dec. 19, 2006
7146345 Parking barrier with accident event logging and self-diagnostic control system Dec. 5, 2006
7134241 Entrapment detecting device for opening-closing member that includes strain gauge Nov. 14, 2006
7132813 System and method for adapting to barrier nuisances and obstructions Nov. 7, 2006
7127847 Barrier movement control safety method and apparatus Oct. 31, 2006
7127848 Controller for a moving member including an abnormality detecting device Oct. 31, 2006
7122987 Safety garage door Oct. 17, 2006
7122981 Method for monitoring the reversing process of electrically actuatable units Oct. 17, 2006
7117635 Trapping protector for a power-operated closing device Oct. 10, 2006
7119509 System and method for automatically requiring secondary safety sensors Oct. 10, 2006
7109677 Motorized barrier operator system for controlling a barrier after an obstruction detection and related methods Sep. 19, 2006
7100325 Safety sliding door apparatus Sep. 5, 2006
7073291 Device for automatically controlling opening and closing of a vehicle slide door Jul. 11, 2006

1 2 3 4 5


 
 
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