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Class Information
Number: 16/49
Name: Miscellaneous hardware > Checks and closers
Description: Devices for closing doors and the like, and checking them against slamming.










Sub-classes under this class:

Class Number Class Name Patents
16/50 Hinge 128
16/51 Liquid 72
16/66 Pneumatic 116
16/63 Spring and flexible link 14
16/64 Spring and gear 39
16/65 Spring and lever 31


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8695163 Door hold open arm assembly Apr. 15, 2014
8683648 Gate holder Apr. 1, 2014
8677561 Automatic door closure unit Mar. 25, 2014
8677568 Furniture hinge Mar. 25, 2014
8671520 Slide assist device Mar. 18, 2014
8615846 Mechanically dampening hold open rod Dec. 31, 2013
8579092 Damper unit Nov. 12, 2013
8547046 Door closer with self-powered control unit Oct. 1, 2013
8458857 Blocking closure of a passageway Jun. 11, 2013
8443487 Door closer with a braking mechanism May. 21, 2013
8418406 Acceleration and deceleration device with two carrier elements Apr. 16, 2013
8402606 Door closer with buffer mechanism for a sliding door Mar. 26, 2013
8307496 Air pressure inner circulation-type automatic compensation control door closer Nov. 13, 2012
8307497 Soft-closing device for a sliding door Nov. 13, 2012
8240005 Regulating valve of a hydraulic door closer Aug. 14, 2012
8225458 Intelligent door restraint Jul. 24, 2012
8214971 Door equalizer support and handhold Jul. 10, 2012
8196259 Delayed action door constraint with remote closing by and of a second door Jun. 12, 2012
8191206 Hinge for cold rooms, swing gates or the like Jun. 5, 2012
8151413 Drawing device Apr. 10, 2012
8060983 Device for cushioning an opening and closing movement of sliding shutters Nov. 22, 2011
7945993 Withdrawing mechanism May. 24, 2011
7891051 Wheel assembly Feb. 22, 2011
7865999 Door motion controller assembly Jan. 11, 2011
RE41560 Automotive closure panel with pivot-mounted alignment system Aug. 24, 2010
7774899 Non-handed door closer cover attachment method Aug. 17, 2010
7743464 Withdrawing mechanism Jun. 29, 2010
7730579 Door closure apparatus Jun. 8, 2010
7721386 Closer arm assembly for an automatic door closer May. 25, 2010
7650669 Door closer Jan. 26, 2010
7567159 Energy absorbing magnetic coupling device Jul. 28, 2009
7444713 Closer arm assembly for an automatic door closer Nov. 4, 2008
7377500 Shock absorbing device for moving body May. 27, 2008
7185398 Mechanical door closer Mar. 6, 2007
7118472 Control system for pneumatically-powered door installation Oct. 10, 2006
6976289 Door closer with door arresting mechanism Dec. 20, 2005
6938372 Pneumatically-powered mine door installation with hydraulic checking system Sep. 6, 2005
6910302 Door hold open and controlled release mechanism Jun. 28, 2005
6904642 Closing device for gates and doors Jun. 14, 2005
6823927 Pocket door with pivoting panel Nov. 30, 2004
6760954 Door bumper Jul. 13, 2004
6684453 Hinge assembly capable of damping door movement Feb. 3, 2004
6658695 Door securing device Dec. 9, 2003
6634058 Door closer with a reliable arresting effect Oct. 21, 2003
6553727 Columbarium Apr. 29, 2003
6446305 Rollerless door check mechanism Sep. 10, 2002
6442795 Damper for a pivot door Sep. 3, 2002
6317922 Door closer Nov. 20, 2001
6298520 Door closer and mounting bracket Oct. 9, 2001
6205615 Door closer Mar. 27, 2001

1 2 3










 
 
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