Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| D648238 | Detectable warning plate | 11/08/2011 |
| D622421 | Grate | 08/24/2010 |
| 7744304 | Socket hinged construction casting assembly A manhole or hatch cover assembly includes a frame defining an opening and a cover having a top surface, a bottom surface and a perimeter sized and dimensioned for receipt in the frame opening. The cover is coupled to the frame through a hinge connection and moveabl... | 06/29/2010 |
| 7695213 | Cam-lift for a manhole cover A manhole cover assembly including a frame defining an opening and a cover sized to engage the opening. A lift pin is retained by the frame, defining a first axis, and includes a bearing portion, and a top end connected to the cover. The lift pin is free to slide ax... | 04/13/2010 |
| 7637695 | Heavy duty trench frame and grate assembly A frame for retaining a grate over a trench for directing storm water to subterranean basins includes a frame that is embedded in the concrete surrounding the trench. The frame includes a support member, including a vertical support that is sized and dimensioned to ... | 12/29/2009 |
| 7216459 | Access hatch cover assembly with lift-assist assembly and method therefor A hatch cover with spring assembly to assist in lifting open the hatch cover lid. The lid is hinged to a frame so it can be rotated about the hinge to an open position. A spring or a pair of springs are attached to the underside of the lid. Each spring is a torsion ... | 05/15/2007 |
| 7108447 | Construction castings with ball and socket connectors A joint suitable for construction castings having a frame and a lid or cover, such as manholes, grates, trench drains, hatches and the like, and construction castings incorporating the same. No tools are necessary to separate the joint. A ball head located on a lid ... | 09/19/2006 |
| 7094000 | Socket hinged construction casting assembly A joint suitable for construction castings having a frame and a lid or cover, such as manholes, grates, trench drains, hatches and the like, and construction castings incorporating the same. No tools are necessary to separate the joint. An enlarged head located on a... | 08/22/2006 |
| 5443327 | Method and apparatus for forming a lined trench A reusable support structure for installing a trench liner in a trench formed in the ground, and a method for doing so. The support structure includes a crossbar having two ends and spanning the trench. The top end of a threaded rod is adjustably connecte... | 08/22/1995 |
| 4101236 | Sealing manhole cover for use on existing unsealed sanitary sewer manhole cover frames A manhole cover having no openings is provided with a blind pocket for insertion of a lifting tool and has a rectangular O-ring groove in the lower surface to receive a circular O-ring. The groove is so located as to cause the O-ring to engage the flat be... | 07/18/1978 |
