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Class Information
Number: 16/71
Name: Miscellaneous hardware > Closers
Description: Closing devices for doors and the like.










Sub-classes under this class:

Class Number Class Name Patents
16/78 Spring and flexible link 26
16/79 Spring and gear 49
16/80 Spring and lever 36
16/72 Spring 92
16/81 Weight 18


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8677560 Door closer, particularly for glass doors Mar. 25, 2014
8677562 Movements controlling means Mar. 25, 2014
8613126 Hydraulic door closure apparatus with boost Dec. 24, 2013
8600567 Door closer assembly Dec. 3, 2013
8528459 Cushioning system for pneumatic cylinder of differential engine Sep. 10, 2013
8527101 Door closer assembly Sep. 3, 2013
8510912 Self-closing device for sliding doors Aug. 20, 2013
8443551 Sliding door May. 21, 2013
8443487 Door closer with a braking mechanism May. 21, 2013
8402606 Door closer with buffer mechanism for a sliding door Mar. 26, 2013
8393054 Door operator Mar. 12, 2013
8356386 Door closer Jan. 22, 2013
8307497 Soft-closing device for a sliding door Nov. 13, 2012
8240005 Regulating valve of a hydraulic door closer Aug. 14, 2012
8214971 Door equalizer support and handhold Jul. 10, 2012
8191206 Hinge for cold rooms, swing gates or the like Jun. 5, 2012
8186010 Retracting mechanism and fixing structure May. 29, 2012
7774899 Non-handed door closer cover attachment method Aug. 17, 2010
7650669 Door closer Jan. 26, 2010
7624476 Automatic closing assembly for a sliding door Dec. 1, 2009
7543355 Door closer housing Jun. 9, 2009
7444714 Automatic corral gate closure Nov. 4, 2008
7395580 Hinge Jul. 8, 2008
7356878 Door closer Apr. 15, 2008
7331435 Continuously blockable arresting device Feb. 19, 2008
7234201 Door closer power adjusting device Jun. 26, 2007
7185398 Mechanical door closer Mar. 6, 2007
7007341 Door closer Mar. 7, 2006
6996875 Securing device for a window Feb. 14, 2006
6883203 Universal jamb bracket for a door closing system Apr. 26, 2005
6793264 Closing device, in particular for a motor vehicle Sep. 21, 2004
6748624 Hood support piston stopper Jun. 15, 2004
6705047 Door and door closer assembly Mar. 16, 2004
6678918 Open-close apparatus Jan. 20, 2004
6658695 Door securing device Dec. 9, 2003
6640387 Damper assembly that opts to open doors for usage with reciprocating door closer devices Nov. 4, 2003
6634059 Reinforcement hardware for a doorjamb bracket Oct. 21, 2003
6629334 Structure of a hinge Oct. 7, 2003
6591551 Swinging door with a door closer having a slide rail at the door frame with a suspension system for adjusting the height of the slide rail with respect to the door frame Jul. 15, 2003
6446305 Rollerless door check mechanism Sep. 10, 2002
6421876 Door closer Jul. 23, 2002
6397431 Spring assembly normally inactive that opts for causing towards any position with reciprocative door closer devices Jun. 4, 2002
6397430 Adjustable hydraulic backcheck door closer Jun. 4, 2002
6317922 Door closer Nov. 20, 2001
6298520 Door closer and mounting bracket Oct. 9, 2001
6282750 Power adjustment size indicator for a door closer Sep. 4, 2001
6253417 Door holder and stop with retaining means for holding a door shut while in a closed position Jul. 3, 2001
6205615 Door closer Mar. 27, 2001
6202253 Storm door cylinder lock Mar. 20, 2001
6167589 Control mechanism including a permanent magnet system Jan. 2, 2001

1 2










 
 
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