Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7104732 | Pile installation method with downhole hammer A pile is installed in a drilled hole in the ground by inserting a tube extending to the bottom and providing on the bottom end of the tube a bottom shoe for compressing material at the bottom of the hole. A drive tool attached to the upper end of the tube applies d... | 09/12/2006 |
| 7097388 | Grout injecting/structure anchoring system A grout injecting/structure anchoring system has a support bracket with a horizontal portion and a pair of threaded recesses and a sleeve there between. A grout tube has a plurality of apertures along its length. A lower cross brace is positioned above the sleeve an... | 08/29/2006 |
| 6948885 | Method for constructing foundation A method of construction includes positioning at least one support member (2) in the ground, forming a foundation (4) substantially adjacent the at least one support member, excavating ground beneath the foundation to a prescribed depth below the surfa... | 09/27/2005 |
| 6503024 | Concrete foundation pierhead and method of lifting a foundation using a jack assembly A method and jacking assembly used for forming a concrete foundation pierhead. The pierhead is attached integrally to a foundation and/or floor system. A plurality of pierheads are used for leveling the foundation and floor system. Each of the pierheads i... | 01/07/2003 |
| 4027491 | Composite earth drilling auger and method of installing same in situ Segmental shell halves of inventive subject matter are adapted to be assembled at an earth situs to form a tubular cavity drilling auger having hollow spiral flighting. The assembled tubular shell including the hollow flighting is filled with fluid, self-... | 06/07/1977 |
