Mas-Hamilton Group

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS1040
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION355
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 135
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D437542 Lock coverSep 23, 99Feb 13, 01[0807]
6178791 Electronic reset for solenoid activated control in an electronic lockDec 28, 99Jan 30, 01[E05B]
RE37011 Electronic combination lock utilizing a one time use combinationAug 05, 97Jan 09, 01[H04L, G06F, E05B, H04K]
D433314 Lock coverJun 21, 99Nov 07, 00[0807]
5896026 Power conservation and management system for a self-powered electronic lockMar 20, 98Apr 20, 99[H02J]
5893283 Solenoid controlled bolt control for an electronic lockMay 07, 97Apr 13, 99[E05B]
5881589 Gear driven bolt withdrawal for an electronic combination lockJun 12, 97Mar 16, 99[E05B]
5873276 Keypad entry electronic combination lock with self-generated combinationAug 28, 96Feb 23, 99[E05B]
5793715 Methods and apparatus for reducing the access time of an optical driveNov 15, 95Aug 11, 98[G11B]
5709114 Keypad entry electronic combination lock with self-generated combinationNov 15, 95Jan 20, 98[E05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6731025 Motor with linear and rotary motionExpiredApr 12, 01May 04, 04[H02K]
6583712 Supervisor and subordinate lock systemExpiredJan 06, 00Jun 24, 03[G05B, G66F]
2002/0124,612 Slide bolt lockAbandonedMar 08, 01Sep 12, 02[E05B]
6377006 Method and apparatus for preventing the unauthorized opening of an electronic lockExpiredAug 11, 00Apr 23, 02[H02P, E05B]
2002/0011,085 ANTI-SHOCK MECHANISM FOR AN ELECTRONIC LOCKAbandonedNov 08, 99Jan 31, 02[E05B]
6229421 Autosecuring solenoidExpiredNov 18, 99May 08, 01[H01F]
6151935 Deadbolt combination lock system with automatic locking spring boltExpiredSep 08, 97Nov 28, 00[E05B]
6094953 Electrically controlled slidebolt lockExpiredNov 10, 98Aug 01, 00[E05B]
6076383 Emitter and power drive system for an electronic lockExpiredDec 05, 97Jun 20, 00[E05B]
6047998 Cassette and cassette rack locking deviceExpiredFeb 03, 98Apr 11, 00[E05C]
6038897 Back cover lock for a combination lockExpiredSep 18, 98Mar 21, 00[E05B]
6006561 Electronic reset for solenoid activated control in an electronic lockExpiredMay 07, 97Dec 28, 99[E05B]
5896095 Electronic lock with accessExpiredMay 07, 97Apr 20, 99[G07D, G06F]
5870914 Electronic combination lock with self-contained power generationExpiredMay 07, 97Feb 16, 99[E05B]
5493279 Electronic combination lock with covert entry detection feature and method of covert entry detectionExpiredMar 24, 93Feb 20, 96[G06F]
D366822 Electronic combination lock housingExpiredMay 23, 95Feb 06, 96[]
5410301 Status monitoring system for an electronic lockExpiredNov 24, 92Apr 25, 95[G07C]
5271253 Electronic combination lock with magnetic anti-attack interlockExpiredMar 16, 92Dec 21, 93[E05B]
5265452 Bolt lock bolt retractor mechanismExpiredSep 20, 91Nov 30, 93[E05B]
4803860 Manipulation assistance device and methodExpiredJul 24, 87Feb 14, 89[E05B]

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