HOWARD A PERKO
Engineering in Fort Collins, CO
License number
Massachusetts 50454
Issued Date
May 8, 2013
Expiration Date
Jun 30, 2018
Type
Civil Engineer
Address
Address
Fort Collins, CO 80526
Personal information
See more information about HOWARD A PERKO at radaris.comName
Address
Phone
6955 Milner Mountain Ranch Rd, Fort Collins, CO 80526
727 Laporte Ave, Fort Collins, CO 80521
121 Lake St, Fort Collins, CO 80524
139 Loomis Ave, Fort Collins, CO 80521
6955 Milner Mountain Ranch Rd, Fort Collins, CO 80526
Professional information
See more information about HOWARD A PERKO at trustoria.com
Helice Pier Post And Method Of Installation
Helice Pier Post And Method Of Installation
US Patent:
6722821, Apr 20, 2004
Filed:
Jan 4, 2002
Appl. No.:
10/041961
Inventors:
Howard A. Perko - Fort Collins CO 80521
Stanley J. Rupiper - Tahoma CA 96142
Stanley J. Rupiper - Tahoma CA 96142
International Classification:
E02D 728
US Classification:
405249, 52155
Abstract:
A helice pier post used for rotating into a ground surface for holding various structural items upright on the top thereof. The structural items may be a light post, a fence post, a building beam or column, a pier, a sound barrier and like items. The helice pier post broadly includes a top mounting plate, a hollow tubular casing, a first pipe shaft with a first helice mounted thereon. The mounting plate is welded to a top portion of the tubular casing. Also, the plate is welded to an upper end of the first pipe shaft. The first pipe shaft is centered inside and disposed along the length of the casing. An outer diameter of the first helice can be welded to an inner diameter of a bottom portion of the casing. A lower end of the first shaft can be coupled to an upper end of the second pipe shaft. A lower end of the second pipe shaft is attached to the second helice.
Tubular Pipe Helix Blade System
Tubular Pipe Helix Blade System
US Patent:
2003015, Aug 28, 2003
Filed:
May 2, 2002
Appl. No.:
10/129229
Inventors:
Howard Perko - Fort Collins CO, US
International Classification:
A01B033/00
US Classification:
172/100000
Abstract:
A tubular pipe helix system () includes a coupler () which has a sleeve (or ) which is affixed internally or externally of, and in overlapping relationship with, an end () of one shaft () to create an enhanced wall thickness (W) thereat and which is to be received in a collar () affixed to one end () of another shaft (), with the two shafts able to be connected together by a single bolt () extending through the sleeve (or ), the end () of the shaft (), and collar () so as to transmit high torque without the need for multiple bolts.
Helical Pier With Opposed External Bars
Helical Pier With Opposed External Bars
US Patent:
D613881, Apr 13, 2010
Filed:
Dec 3, 2009
Appl. No.:
29/351280
Inventors:
Howard A. Perko - Fort Collins CO, US
Assignee:
Magnum Piering, Inc. - West Chester OH
International Classification:
2501
US Classification:
D25122
Helical Pier
Helical Pier
US Patent:
D612954, Mar 30, 2010
Filed:
Oct 27, 2008
Appl. No.:
29/326895
Inventors:
Howard A. Perko - Fort Collins CO, US
Assignee:
Magnum Piering, Inc. - West Chester OH
International Classification:
2501
US Classification:
D25122