Dennard Charles Gilpin

US Patent:

20130313740, Nov 28, 2013

Filed:

May 23, 2013

Appl. No.:

13/901085

Inventors:

Dennard Charles Gilpin - Austin TX, US
Bruce Duane Stiles - Llano TX, US
Stephen Ray Stiles - Liberty Hill TX, US

International Classification:

E04G 15/00

US Classification:

264 31, 249 1

Abstract:

This disclosure describes devices and methods for forming voids in or adjacent concrete structures. In some embodiments, a device may include a structure. The structure may be substantially planar. The structure may include a plurality of channels extending therefrom. In some embodiments, the channels are closed at a first end distal from the structure. In some embodiments, the channels are open at a second end proximal to the structure. In some embodiments, the device may be formed from a molded pulp. The molded pulp may be configured to inhibit penetration of water. In some embodiments, the device may be configured to substantially support poured concrete during at least a portion of a curing process of the poured concrete.

US Patent:

20170275903, Sep 28, 2017

Filed:

Jun 12, 2017

Appl. No.:

15/620348

Inventors:

Dennard Charles Gilpin - Austin TX, US
Bruce Duane Stiles - Llano TX, US
Stephen Ray Stiles - Liberty Hill TX, US

International Classification:

E04G 15/00
E02D 27/00
E04G 9/08

Abstract:

This disclosure describes devices and methods for forming voids in or adjacent concrete structures. In some embodiments, a device may include a structure. The structure may be substantially planar. The structure may include a plurality of channels extending therefrom. In some embodiments, the channels are closed at a first end distal from the structure. In some embodiments, the channels are open at a second end proximal to the structure. In some embodiments, the device may be formed from a molded pulp. The molded pulp may be configured to inhibit penetration of water. In some embodiments, the device may be configured to substantially support poured concrete during at least a portion of a curing process of the poured concrete.