SARGENT & GREENLEAF, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS1436
 
  
 
G07C TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE 443
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2108
 
  
 
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 135
 
  
 
G06Q DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR 1173
 
  
 
G07F COIN- FREED OR LIKE APPARATUS 157

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0016,815 MECHANICAL OVERRIDE OF AN ELECTRONIC LOCKFeb 02, 16Jan 18, 18[E05B]
2014/0109,632 HIGH SECURITY LOCKAug 05, 11Apr 24, 14[E05B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9845618 Shock resistant lockApr 07, 11Dec 19, 17[E05B, E05C]
8496167 Cash tracking systemNov 08, 07Jul 30, 13[G06Q, G07F, G06K]
6212923 Lock including means for sensing position of bolt and for indicating whether or not bolt is extended from lock caseJul 27, 98Apr 10, 01[E05B]
6196037 Lock system enabling user to lock door and extend lock bolt in a single action and push-pull lock with cushioning arrangement for protecting bolt drive componentsJul 27, 98Mar 06, 01[E05B]
6094952 Dead bolt combination lock with integrated re-locking featuresApr 27, 98Aug 01, 00[E05B]
5816084 Electronic combination lock with an arrangement for moving a locking lever both into and out of an "engage" position in which lock may be openedApr 21, 97Oct 06, 98[E05B]
5647235 Tamper-evident electronic combination lock having integral bearing/retaining memberApr 27, 95Jul 15, 97[G07C]
5640862 Electronic combination lock including a sensor arrangement which senses the position and direction of movement of the combination dialJun 06, 95Jun 24, 97[E05B]
5632169 Self powered electronic combination lock having comprehensive monitoring of power levels for various functionsJun 06, 95May 27, 97[G07C]
5613388 Electronic combination lock entering a lockout mode after a number of successive incorrect combination entriesJun 06, 95Mar 25, 97[E05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6510587 Door closure prevention apparatus and methodExpiredMay 14, 01Jan 28, 03[E05F]
6016677 Dead bolt combination lock and push-pull lock, each with integrated re-locking features, lock with auxiliary security features, and lock keypad with tamper detection and response featuresExpiredJul 27, 98Jan 25, 00[E05B]
5749252 Manipulation resistant combination lock and methodExpiredApr 15, 96May 12, 98[E05B]
5003802 Dial and dial ring assembly with detenting featureExpiredNov 30, 89Apr 02, 91[E05B]
4961330 High security panic exit systemExpiredMar 15, 90Oct 09, 90[E01C]
4895010 Combination lock with self-canceling mechanismExpiredMar 23, 88Jan 23, 90[E05B]
4887445 Electronic lock for hotel room safes and the likeExpiredMay 30, 89Dec 19, 89[E05B]
4875351 Electronic time lockExpiredAug 19, 88Oct 24, 89[E05B]
4776187 Changeable key cylinder exposed shackle padlockExpiredMay 27, 87Oct 11, 88[E05B]
4776190 Radiological detection resistant key changeable combination lockExpiredJan 22, 87Oct 11, 88[E05B]
4763496 High security changeable key cylinder type shackle padlockExpiredMay 27, 87Aug 16, 88[E05B]
4651546 High security rotary disc, pin tumbler type cylinder lockExpiredJan 30, 86Mar 24, 87[E05B]
4643010 Two movement time lockExpiredMar 25, 85Feb 17, 87[E05B]
4631940 Digital readout combination lock dial assemblyExpiredMar 29, 85Dec 30, 86[E05B]
4580424 Single lever, double changeable safe deposit lockExpiredNov 07, 83Apr 08, 86[E05B]
D282239 Combined case and cover for a quick mount combination lockExpiredMay 13, 83Jan 21, 86[]
4512167 Variable position quick mount combination lockExpiredAug 04, 83Apr 23, 85[E05B]
4462230 Changeable safe deposit lock with slidable clamped fencesExpiredAug 18, 82Jul 31, 84[E05B]
4455552 Combination locks with electro-optical silent alarm systemExpiredNov 24, 81Jun 19, 84[E05B]
4412436 Time lock with anti-shock featuresExpiredJun 16, 81Nov 01, 83[E05B]

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