Douglas E. Trent

Person

Roanoke, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Key and key blanks operable in vertically and horizontally oriented...
- Patent number 12,077,983
- Issue date Sep 3, 2024
- ASSA ABLOY HIGH SECURITY GROUP INC.
- Thomas Duckwall
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock cylinder and key with multiple, supplemental locking elements
- Patent number 11,624,206
- Issue date Apr 11, 2023
- ASSA ABLOY HIGH SECURITY GROUP INC.
- Mark Benzie
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Operating a lock cylinder with multiple, supplemental locking elements
- Patent number 11,280,111
- Issue date Mar 22, 2022
- ASSA ABLOY HIGH SECURITY GROUP INC.
- Mark Benzie
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Dual function lock cylinder assembly operable by different keys
- Patent number 10,253,526
- Issue date Apr 9, 2019
- ASSA ABLOY HIGH SECURITY GROUP INC.
- Douglas E. Trent
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Apparatus for automatically returning a lock to a desired orientation
- Patent number 8,978,428
- Issue date Mar 17, 2015
- Medeco Security Locks, Inc.
- Doug Trent
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronically-controlled removable core lock
- Patent number 8,973,417
- Issue date Mar 10, 2015
- Medeco Security Locks, Inc.
- James Bench
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic cam assembly
- Patent number 8,528,373
- Issue date Sep 10, 2013
- Richard G. Hyatt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Cylinder lock assembly with a tailpiece rotationally coupled to the...
- Patent number 7,895,865
- Issue date Mar 1, 2011
- Medeco Security Locks, Inc.
- Glenn Hartman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Portable security container
- Patent number 7,212,098
- Issue date May 1, 2007
- Myspace, LLC
- Douglas E. Trent
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic cam assembly
- Patent number 6,891,458
- Issue date May 10, 2005
- Richard G. Hyatt Jr.
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic cam assembly
- Patent number 6,588,243
- Issue date Jul 8, 2003
- Richard G. Hyatt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic cam assembly
- Patent number 6,209,367
- Issue date Apr 3, 2001
- Richard G. Hyatt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Promotional display with art accents attachable to a vehicle sun visor
- Patent number D424491
- Issue date May 9, 2000
- Invision Research Inc.
- Douglas Edward Trent
- D12 - Transportation
Information Patent Grant
Electronic security system with novel electronic T-handle lock
- Patent number 6,005,487
- Issue date Dec 21, 1999
- Medeco Security Locks, Inc.
- Richard G. Hyatt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic security system
- Patent number 5,745,044
- Issue date Apr 28, 1998
- Medeco Security Locks, Inc.
- Richard G. Hyatt
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic combination lock security system
- Patent number 5,541,581
- Issue date Jul 30, 1996
- Medeco Security Locks, Inc.
- Douglas E. Trent
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
KEY AND KEY BLANKS OPERABLE IN VERTICALLY AND HORIZONTALLY ORIENTED...
- Publication number 20240426134
- Publication date Dec 26, 2024
- ASSA ABLOY High Security Group Inc.
- Thomas DUCKWALL
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
CYLINDER LOCK WITH MULTIPLE, SUPPLEMENTAL LOCKING ELEMENTS AND ASSO...
- Publication number 20230313562
- Publication date Oct 5, 2023
- ASSA ABLOY High Security Group Inc.
- Mark BENZIE
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
OPERATING A LOCK CYLINDER WITH MULTIPLE, SUPPLEMENTAL LOCKING ELEMENTS
- Publication number 20210310277
- Publication date Oct 7, 2021
- ASSA ABLOY High Security Group Inc.
- Mark BENZIE
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
KEY AND KEY BLANKS OPERABLE IN VERTICALLY AND HORIZONTALLY ORIENTED...
- Publication number 20210230901
- Publication date Jul 29, 2021
- ASSA ABLOY High Security Group Inc.
- Thomas DUCKWALL
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
LOCK CYLINDER AND KEY WITH MULTIPLE, SUPPLEMENTAL LOCKING ELEMENTS
- Publication number 20210102402
- Publication date Apr 8, 2021
- ASSA ABLOY High Security Group Inc.
- Mark BENZIE
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
DUAL FUNCTION LOCK CYLINDER ASSEMBLY OPERABLE BY DIFFFERENT KEYS
- Publication number 20170321450
- Publication date Nov 9, 2017
- ASSA ABLOY High Security Group Inc.
- Douglas E. TRENT
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
APPARATUS FOR AUTOMATICALLY RETURNING A LOCK TO A DESIRED ORIENTATION
- Publication number 20130061644
- Publication date Mar 14, 2013
- MEDECO SECURITY LOCKS, INC.
- Doug TRENT
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Electronically-Controlled Removable Core Lock
- Publication number 20130014552
- Publication date Jan 17, 2013
- MEDECO SECURITY LOCKS, INC.
- James BENCH
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
CYLINDER LOCK ASSEMBLY WITH A TAILPIECE ROTATIONALLY COUPLED TO THE...
- Publication number 20090044579
- Publication date Feb 19, 2009
- MEDECO SECURITY LOCKS, INC.
- Glenn Hartman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Portable security container
- Publication number 20070171060
- Publication date Jul 26, 2007
- Douglas E. Trent
- G07 - CHECKING-DEVICES
Information Patent Application
Electronic cam assembly
- Publication number 20030221466
- Publication date Dec 4, 2003
- Richard G. Hyatt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Electronic cam assembly
- Publication number 20010040492
- Publication date Nov 15, 2001
- Richard G. Hyatt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Douglas E. Trent

Person

Patents Grantslast 30 patents

Key and key blanks operable in vertically and horizontally oriented...

Lock cylinder and key with multiple, supplemental locking elements

Operating a lock cylinder with multiple, supplemental locking elements

Dual function lock cylinder assembly operable by different keys

Apparatus for automatically returning a lock to a desired orientation

Electronically-controlled removable core lock

Electronic cam assembly

Cylinder lock assembly with a tailpiece rotationally coupled to the...

Portable security container

Electronic cam assembly

Electronic cam assembly

Electronic cam assembly

Promotional display with art accents attachable to a vehicle sun visor

Electronic security system with novel electronic T-handle lock

Electronic security system

Electronic combination lock security system

Patents Applicationslast 30 patents

KEY AND KEY BLANKS OPERABLE IN VERTICALLY AND HORIZONTALLY ORIENTED...

CYLINDER LOCK WITH MULTIPLE, SUPPLEMENTAL LOCKING ELEMENTS AND ASSO...

OPERATING A LOCK CYLINDER WITH MULTIPLE, SUPPLEMENTAL LOCKING ELEMENTS

KEY AND KEY BLANKS OPERABLE IN VERTICALLY AND HORIZONTALLY ORIENTED...

LOCK CYLINDER AND KEY WITH MULTIPLE, SUPPLEMENTAL LOCKING ELEMENTS

DUAL FUNCTION LOCK CYLINDER ASSEMBLY OPERABLE BY DIFFFERENT KEYS

APPARATUS FOR AUTOMATICALLY RETURNING A LOCK TO A DESIRED ORIENTATION

Electronically-Controlled Removable Core Lock

CYLINDER LOCK ASSEMBLY WITH A TAILPIECE ROTATIONALLY COUPLED TO THE...

Portable security container

Electronic cam assembly

Electronic cam assembly