VON DUPRIN LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS2031
 
  
 
E05D HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS 1024
 
  
 
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 828
 
  
 
E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING633
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 342
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
0807 LOCKING OR CLOSING DEVICES221
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9580944 Exit device assemblyAug 23, 12Feb 28, 17[E05B, E05C]
9181739 Adjustable door mounting systemJan 21, 10Nov 10, 15[E05D]
9097046 Hinge with articulating cover systemJun 13, 12Aug 04, 15[E05D, E05F]
8480136 Exit device and method of operating the sameApr 20, 12Jul 09, 13[E05B]
8182003 Exit device and method of operating the sameAug 19, 08May 22, 12[E05B]
8146961 Exit deviceJul 08, 08Apr 03, 12[E05B]
7832777 Door lock assemblyApr 05, 06Nov 16, 10[E05B]
7722096 Latchbolt for a door lock assemblyApr 05, 06May 25, 10[E05B]
7650670 Hinge attachment system and methodJun 10, 05Jan 26, 10[E05D]
7616090 Electronic security systemMay 20, 04Nov 10, 09[G05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6485066 Exit alarm lock deadbolt having guide supportsExpiredMay 05, 00Nov 26, 02[E05C]
5609371 Push pad trigger release exit device with infinite deadlockingExpiredDec 26, 95Mar 11, 97[E05C]
5067757 Panic exit device having noise suppressionExpiredJul 30, 90Nov 26, 91[E05B]
5042852 Latch and rod guard assemblyExpiredOct 03, 90Aug 27, 91[E05C]
5035450 Door exit-delaying meansExpiredFeb 23, 90Jul 30, 91[F05C]
5024472 Flushbolt actuator assemblyExpiredApr 09, 90Jun 18, 91[E05C]
5011199 Panic exit device having an exit-delaying mechanismExpiredDec 28, 89Apr 30, 91[E05C]
4978151 Latch-operating mechanism for a panic egress deviceExpiredAug 17, 89Dec 18, 90[E05B]
4974890 Universal assembly for top and bottom latches, in vertical-rod exit devices, and top and bottom latches for such devicesExpiredJun 22, 89Dec 04, 90[E05C]
4949505 Door cordinatorExpiredMay 26, 89Aug 21, 90[E05C]

Top Inventors for This Owner

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