John W. Duckett

Person

Carson City, NV, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for interconnecting a plurality of roadway barrier modules a...
- Patent number 6,632,044
- Issue date Oct 14, 2003
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Traffic barrier with liquid filled modules
- Patent number 6,474,904
- Issue date Nov 5, 2002
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Interconnected telescoping movable roadway barrier modules
- Patent number 6,439,802
- Issue date Aug 27, 2002
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Non-redirective gating crash cushion apparatus for movable, permane...
- Patent number 6,428,237
- Issue date Aug 6, 2002
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Vehicular traffic barrier system
- Patent number 6,413,009
- Issue date Jul 2, 2002
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Four-wheel, double bogey for a lane barrier positioning vehicle
- Patent number 5,885,046
- Issue date Mar 23, 1999
- Barrier Systems, Inc.
- Steven L. Peek
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Roadway barrier module, system and method
- Patent number 5,387,049
- Issue date Feb 7, 1995
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Pre-loaded hinges for lane barrier system
- Patent number 4,828,425
- Issue date May 9, 1989
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Lane barrier system with pivot control and method
- Patent number 4,815,889
- Issue date Mar 28, 1989
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Anti-crash lane barrier with self-centering hinges
- Patent number 4,806,044
- Issue date Feb 21, 1989
- Barrier Systems, Inc.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for interconnecting movable roadway barriers
- Publication number 20020127057
- Publication date Sep 12, 2002
- BARRIER SYSTEMS, INC.
- John W. Duckett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

John W. Duckett

Person

Patents Grantslast 30 patents

Method for interconnecting a plurality of roadway barrier modules a...

Traffic barrier with liquid filled modules

Interconnected telescoping movable roadway barrier modules

Non-redirective gating crash cushion apparatus for movable, permane...

Vehicular traffic barrier system

Four-wheel, double bogey for a lane barrier positioning vehicle

Roadway barrier module, system and method

Pre-loaded hinges for lane barrier system

Lane barrier system with pivot control and method

Anti-crash lane barrier with self-centering hinges

Patents Applicationslast 30 patents

Method and apparatus for interconnecting movable roadway barriers