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 |
| 7390167 | Compressor with centripetal air takeoff A compressor with a centripetal air takeoff system that includes pipes installed between an outer collar and an inner collar. Each pipe is fitted in a hole in the outer collar and in a hole in the inner collar. The system further includes a locking mechanism between... | 06/24/2008 |
| 7134152 | Adaptable, low cost air gap and flow control A kitchen sink installation includes a plurality of adjacent kitchen sinks having drain tailpieces, a manifold pipe mounted substantially horizontally under the sinks and having a length and a plurality of discrete openings along its length, each of the openings fac... | 11/14/2006 |
| 6721381 | Seal arrangement for in-core instrument housing A seal arrangement for providing a seal between a nuclear reactor in-core instrument housing and an instrument contained within the housing includes a lower seal assembly surrounding an outer portion of the in-core instrument housing, an upper seal assembly surround... | 04/13/2004 |
| 6623048 | Apparatus and method of attaching a tube member to a housing of a vacuum brake booster An apparatus and method for attaching a tube member to a housing of a vacuum brake booster is provided. A tube member includes a body portion, an outer surface, a first end, and a second end. A first collar portion is disposed between the first end and th... | 09/23/2003 |
| 5248850 | Electrical box connector conduit An electrical box connector conduit is fixedly mounted between adjacent electrical boxes through aligned box bores. The conduit structure includes a central conduit member having first and second abutment flanges mounted fixedly to the first and second en... | 09/28/1993 |
| 4503594 | Method for fabricating an orifice fitting for a gas pressure differential-measuring system An orifice fitting for a gas pressure differential-measuring system is constructed of a fabricated body. In the fabrication, two lengths of flared or flanged pipe are inserted through the internal bores of respective orifice blocks and circumferentially w... | 03/12/1985 |
| 4498692 | Penetration seal A reusable penetration seal for sealing a hole in a wall through which a conduit passes, without the need for the use of gaskets or gasketing or sealing materials. The penetration seal comprises a hollow penetration sleeve having a head at one end with an... | 02/12/1985 |
| 4360057 | High temperature abrasive resistant heat exchanger A high temperature tube and shell vertically positioned heat exchanger including a plurality of tube sheets dividing the interior of the shell into three consecutive chambers. Ceramic tubes are vertically hung from hemispherical seats in an upper tube she... | 11/23/1982 |
| 4335905 | Tanks and connecting ducts therefor A tank installation comprising a tank having at least one flexible wall arranged to rest on a rigid apertured partition, which per se does not form part of the invention. A flexible duct is joined to said wall and is intended to pass through the aperture ... | 06/22/1982 |
| 4236577 | Separately removable tubes in heavy duty heat exchanger assemblies The invention is directed to removable heat exchanger tube assemblies in heavy duty equipment radiators in which the tubes are each separately removable if they become defective in service. An inwardly facing annular ledge or abutment is molded into the i... | 12/02/1980 |
| 4137117 | Method of making a solvent-bonded joint A solvent-bonded joint between plastic members, and a method of making the same, particularly useful where such members are intended to convey flowable materials such as sterile medical solutions. The joint includes a pair of members joined at a zone of i... | 01/30/1979 |
| 4129119 | Solar energy collector A solar energy collector is disclosed herein which comprises a pipe interconnecting lower and upper headers, the upper header structurally supporting the pipe. The pipe extends within an opening in the lower header and includes an exterior shoulder which ... | 12/12/1978 |
| 4053416 | Filter press assembly A filter press having a number of filter plates, each of which includes a center hole, with a filter cloth hanging over each filter plate. The filter cloths include a corresponding center hole, and a flexible coupling member having a tubular stem with a f... | 10/11/1977 |
