Inventor · disambiguated record
Douglas E. Trent
Also filed as: TRENT DOUGLAS · TRENT DOUGLAS E · TRENT DOUGLAS EDWARD
14 granted patents·3 pending applications·782 citations·filing 1992–2024
94Inventor score
Files withASSA ABLOY HIGH SECURITY GROUP INC7MEDECO SECURITY LOCKS3HYATT JR RICHARD G1INVISION RES INC1MYSPACE LLC1
Top patents by PatentIndex Score
17 records- 0193US6588243B1Electronic cam assemblyFiled 2000·Granted Jul 8, 2003·65 cites·36 claims
- 0292US6209367B1Electronic cam assemblyFiled 1998·Granted Apr 3, 2001·86 cites·43 claims
- 0390US5745044AElectronic security systemMEDECO SECURITY LOCKS·Filed 1992·Granted Apr 28, 1998·295 cites·15 claims
- 0489US11280111B2Operating a lock cylinder with multiple, supplemental locking elementsASSA ABLOY HIGH SECURITY GROUP INC·Filed 2021·Granted Mar 22, 2022·2 cites·22 claims
- 0587US10253526B2Dual function lock cylinder assembly operable by different keysASSA ABLOY HIGH SECURITY GROUP INC·Filed 2017·Granted Apr 9, 2019·8 cites·18 claims
- 0686US6005487AElectronic security system with novel electronic T-handle lockMEDECO SECURITY LOCKS·Filed 1993·Granted Dec 21, 1999·196 cites·10 claims
- 0781US6891458B2Electronic cam assemblyFiled 2001·Granted May 10, 2005·22 cites·38 claims
- 0879US12077983B2Key and key blanks operable in vertically and horizontally oriented keywaysASSA ABLOY HIGH SECURITY GROUP INC·Filed 2021·Granted Sep 3, 2024·1 cites·45 claims
- 0977US11624206B2Lock cylinder and key with multiple, supplemental locking elementsASSA ABLOY HIGH SECURITY GROUP INC·Filed 2020·Granted Apr 11, 2023·1 cites·51 claims
- 1076US2024426134A1Key and key blanks operable in vertically and horizontally oriented keywaysASSA ABLOY HIGH SECURITY GROUP INC·Filed 2024·Application pending·0 cites
- 1172US12196000B2Cylinder lock with multiple, supplemental locking elements and associated keyASSA ABLOY HIGH SECURITY GROUP INC·Filed 2023·Granted Jan 14, 2025·0 cites·15 claims
- 1270US7212098B1Portable security containerMYSPACE LLC·Filed 2000·Granted May 1, 2007·29 cites·33 claims
- 1367US8528373B2Electronic cam assemblyHYATT JR RICHARD G·Filed 2003·Granted Sep 10, 2013·16 cites·17 claims
- 1460US2025198196A1Cylinder Lock With Secondary Locking Element Coupled to a Primary Pin AssemblyASSA ABLOY HIGH SECURITY GROUP INC·Filed 2024·Application pending·0 cites
- 1558US5541581AElectronic combination lock security systemMEDECO SECURITY LOCKS·Filed 1994·Granted Jul 30, 1996·58 cites·15 claims
- 1651US2007171060A1Portable security containerTRENT DOUGLAS E·Filed 2007·Application pending·0 cites
- 1731USD424491SPromotional display with art accents attachable to a vehicle sun visorINVISION RES INC·Filed 1998·Granted May 9, 2000·3 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →