Donald J May

US Patent:

D468842, Jan 14, 2003

Filed:

Nov 20, 2000

Appl. No.:

29/133007

Inventors:

Donald R. May - Sun Lakes AZ 85248-6724

International Classification:

2501

US Classification:

D25126

US Patent:

6659692, Dec 9, 2003

Filed:

Jul 22, 2002

Appl. No.:

10/200768

Inventors:

Donald May - Sun Lakes AZ 85248

International Classification:

E02D 1100

US Classification:

405232, 405230, 405244

Abstract:

A helical pier assembly having a helix mounted on the end of a pier shaft. A pier-cap stabilizer is driven with force down over the pier shaft until the top of the pier meets a stop pin secured in the pier cap. A platform screw jack is placed op top of the pier cap under the footing or foundation. The jack screws are extended down onto the pier cap until the platform jack comes into contact with the bottom of the footing or foundation. The jack screws are turned until the required support contact is achieved between the pier cap stabilizer and the footing or foundation. A bag of concrete is placed between the screw jack and the bottom of the footing to prepare the footing.

US Patent:

6872031, Mar 29, 2005

Filed:

Sep 29, 2003

Appl. No.:

10/673653

Inventors:

Donald May - Sun Lakes AZ, US

International Classification:

E02D011/00

US Classification:

405232, 405244

Abstract:

A pier assembly () is provided that utilizes a rotatable shelf () structure to place a screw jack assembly () under a footing () of a foundation.

US Patent:

7044686, May 16, 2006

Filed:

Sep 29, 2003

Appl. No.:

10/674252

Inventors:

Donald May - Sun Lakes AZ, US

International Classification:

E02D 5/00

US Classification:

405230

Abstract:

A pier assembly () is provided that utilizes a rotatable shelf () structure to place a screw jack assembly () under a footing () of a foundation.

US Patent:

7195426, Mar 27, 2007

Filed:

May 24, 2005

Appl. No.:

11/136315

Inventors:

Donald May - Sun Lakes AZ, US

International Classification:

E02D 5/00

US Classification:

405230, 405229

Abstract:

The present invention is for a pier that supports a foundation. The pier includes a pier shaft, a bracket mounted to a top end of the pier shaft that supports the weight of the foundation, and a pair of braces that extend laterally from the pier shaft and mount to the foundation.

US Patent:

61934429, Feb 27, 2001

Filed:

Mar 16, 1999

Appl. No.:

9/270166

Inventors:

Donald R. May - Sun Lakes AZ

International Classification:

E02D 580
E02D 710
E02D 2750
E02D 3500

US Classification:

405232

Abstract:

A lifting assembly for raising and supporting the foundation of a structure made of a bracket that secures to the base of the building foundation, a pier driven into the ground to a layer bedrock, a pier support secured to the bracket through which the pier extends, two shafts which secure a pier plate and a hydraulic plate to the pier support, the pier plate rests on the top end of the pier, a hydraulic jack is placed on top of the pier plate, the hydraulic plate is rigidly secured to the shafts whereby when the hydraulic jack is activated, the hydraulic jack held in a fixed position by the hydraulic plate forces the pier plate down driving the pier into the ground.