Alan Hepner
Engineers in Rexford, MT
License number
Utah 191098-2202
Issued Date
Aug 3, 1994
Expiration Date
Mar 31, 2009
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Rexford, MT
Professional information
Hollow Structural Members, A Rail System And Methods Of Manufacturing
US Patent:
2009023, Sep 17, 2009
Filed:
Mar 12, 2008
Appl. No.:
12/075619
Inventors:
Alan Hepner - Rexford MT, US
David Metivier - Holladay UT, US
David Metivier - Holladay UT, US
International Classification:
E01B 1/00, E01B 25/00
US Classification:
238 2, 104124
Abstract:
The invention is hollow structural members, a rail system based thereon and method of manufacturing such hollow structural members. Embodiments of the structural members may be hollow triangular prism-shaped with a cross-section that is triangular, isosceles, hexagonal or otherwise. Embodiments of rail systems based on hollow structural members are also disclosed. Embodiments of the rail systems disclosed herein may also include reaction assemblies for local dissipation of stresses due to thermal expansion of track materials.
Carriage Traction Vehicle
US Patent:
8578861, Nov 12, 2013
Filed:
Feb 14, 2012
Appl. No.:
13/396227
Inventors:
Alan Hepner - Rexford MT, US
David Metivier - Holladay UT, US
David Metivier - Holladay UT, US
International Classification:
B61B 13/04
US Classification:
105141, 104118
Abstract:
The invention is a carriage traction vehicle for use with a monorail. The vehicle is self-propelled along the monorail by one or more motors engaging a fixed rack attached to the monorail. The carriage traction vehicle may include one or more of the following features: a cabin, a counterwheel assembly, a platform assembly, a leveling control system, a motor system, a tilt mechanism, and a safety assembly.
Elevated Rail System And Reaction Assembly
US Patent:
8511579, Aug 20, 2013
Filed:
Nov 28, 2011
Appl. No.:
13/373709
Inventors:
Alan Hepner - Rexford MT, US
David Metivier - Holladay UT, US
David Metivier - Holladay UT, US
International Classification:
E01B 21/00
US Classification:
238 2, 104124
Abstract:
The invention is an elevated rail system and reaction assembly. Features of the elevated rail system include pivot points between the track and vertical supports elevating the rail system, eccentric bolt and washer assemblies that allow precise vertical and horizontal adjustment of the vertical supports and threaded bolts that allow precise micro-adjustment of height of the track above the concrete foundations.
Carriage Traction Vehicle
US Patent:
8113125, Feb 14, 2012
Filed:
May 22, 2009
Appl. No.:
12/471103
Inventors:
Alan Hepner - Rexford MT, US
David Metivier - Holladay UT, US
David Metivier - Holladay UT, US
International Classification:
B61B 13/04
US Classification:
105141, 104118
Abstract:
The invention is a carriage traction vehicle for use with a monorail. The vehicle is self-propelled along the monorail by one or more motors engaging a fixed rack attached to the monorail.