Bizarre Patents
An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4261384 | T-joint fitting A T-joint fitting comprising two parts for clamping to an existing length of pipe encloses a piston, which is axially displaceable by firing of a cartridge. The piston cuts a hole in the wall of the pipe and is provided with a transverse passage, which wi... | 04/14/1981 |
| 4258742 | Tapping apparatus Tapping apparatus is provided for cutting an opening in the wall of a conduit and providing fluid tight communication between such opening and a second conduit via a rotatable outlet to facilitate alignment and connection of the second conduit to the tapp... | 03/31/1981 |
| 4258941 | Service clamp for plastic pipe or the like A service clamp for use as a fitting in tapping a hole in a main pipe and/or for supporting a branch pipe, the service clamp being particularly adapted for use when the main pipe is plastic such as polyethylene (PE) or polyvinyl chloride (PVC) although it... | 03/31/1981 |
| 4257628 | Pipe connector and hole cutter A hollow body is connected by a compression seal and a split collar over a closed end of a first pipe containing fluid under pressure. A lateral screw-type cutter connected to the body has a circular knife edge with one or more scallops, the knife edge be... | 03/24/1981 |
| 4253224 | Fixtureless method of making tube joints A method of joining tubular elements to provide fluid tight connections is disclosed in which the mating portions of the joined tubes are preformed so as to be able to be located with respect to each other prior to soldering, brazing, or other joining pro... | 03/03/1981 |
| 4239265 | Attachments for pipes A self-sealing branch attachment for rigid or flexible tubing comprising a four part attachment having two self-mating members that assemble around a main tubing and an insert and seal that coact with the self-mating member to lock the attachment to the m... | 12/16/1980 |
| 4223925 | Hot tap machine A hot tap housing for mounting over a main pipeline located underwater or in another restrictive environment adapted for use with a hot tap machine to connect a branch pipeline to the main pipeline. The hot tap housing includes a central housing section a... | 09/23/1980 |
| 4213640 | Coupling for interconnecting conduits An assembly of interconnected conduits including first and second conduits each having an aperture extending through its wall surface. The conduits are disposed adjacent to one another and a coupling interconnects them by presenting a fluid flow passage b... | 07/22/1980 |
| 4168089 | Service connector for plastic gas main Mating halves of plastic composition form a tapping sleeve service connector for mounting a branch connection on an inservice plastic gas main. A tapping tool supported in communication with the branch outlet is provided in one of the sleeve halves. Empla... | 09/18/1979 |
| 4158461 | Pipe tapping bands This invention provides a pipe tapping band of the type formed in two halves adapted to be clamped about a pipe to be tapped, one band half having an internally threaded integral ferrule to receive conventional pipe tapping means, a recess in the inner su... | 06/19/1979 |
| 4155572 | Nipple structure for piping installations A nipple which may be inserted into one pipe for attaching another pipe intermediate ends of the one pipe. A shield extends about the nipple and conforms to the outside of the one pipe to aid in adhesively sealing the nipple thereto.... | 05/22/1979 |
| 4141378 | Pressure pipeline structure and method This invention relates to a pressure/vacuum system apparatus; one part of such apparatus being an economical fitting, another part being operating mechanism, another part being a means to join such fitting to such operating mechanism in a substantially fl... | 02/27/1979 |
| 4140155 | Self-piercing needle valve A self-piercing needle valve having a body and a shank is adapted for mounting upon a pipe. A valve support plate extends transversely of and is secured to said shank and has a right-angle extension at one end. Said extension along its length on one side ... | 02/20/1979 |
| 4135258 | Waste disposer mounting apparatus Mounting apparatus for installing a food waste disposer in a sink in a bottom opening thereof wherein the disposer is moved downwardly through the opening and is clamped to the sink about the edge of the opening. A water inlet connector is mounted to the ... | 01/23/1979 |
| 4123035 | Conduit coupling means for milking systems and method of making same An improved device for enabling a small diameter milking hose to be removably connected to a larger diameter manifold of a milking system through an opening in the wall thereof and for automatically closing the opening through the wall of the manifold whe... | 10/31/1978 |
| 4108190 | Flushing technique and apparatus for outboard and stern-drive motors A flushing attachment comprising a resilient belt is constructed to be wrapped around and secured on the lower motor housing so that a hose fitting fastened through an opening in the belt registers with one or more water inlet ports on one side of the hou... | 08/22/1978 |
| 4108480 | Branch piece for providing branch connections in a pipe A branch piece for pipe branch connections comprising two parts. The first part is provided with two longitudinal edges extending parallel to the axis of the branch pipe, and the other part is provided with one longitudinal edge which can be coupled with ... | 08/22/1978 |
| 4107454 | Apparatus for pneumatically communicating with a pressurized cable Apparatus is provided for pneumatically communicating with a pressurized cable provided with a peripheral opening. The apparatus includes a saddle of resilient material having a cross-section defined by a parabola and the arc of a circle. The saddle is ad... | 08/15/1978 |
| 4103940 | Branch fitting for a pipe A branch fitting for permanent attachment to the periphery of a pipe including a tubular portion having an inner diameter less than or the same as the inner diameter of the pipe, a saddle portion surrounding and extending outwardly and downwardly from the... | 08/01/1978 |
| 4097073 | Tapping sleeve for large size pipe A tapping sleeve for mounting on an in-service pipe under pressure in which a pipe opening is to be formed. The sleeve comprises upper and lower sleeve halves, one of which supports an endless gasket adapted to provide a pressure seal about the branch ope... | 06/27/1978 |
| 4073515 | Attachable pipe tee A pipe tee unit which may be mounted to a pipe for attachment of an extension tube to the pipe. The tee unit is formed of a pair of clamp members which are each formed with a circular concave recess of less than semi-circular section on their respective i... | 02/14/1978 |
| 4073513 | Pipe branch fitting A pipe branch fitting has a cylindrical body freely slidable along the pipe to a point where a hole is pre-cut in the pipe. On one side, the cylinder carries a screw-threaded tubular insert on which the branch is to be connected. A gasket between the inse... | 02/14/1978 |
| 4067353 | Pipeline tap and connecting device An invention relating to a device adapted to connect a branch line to a main pipeline without interrupting flow of fluid through the mainline. The device includes a pair of tubular, cutter-containing portions and a branch line connection. The device furth... | 01/10/1978 |
| 4063844 | Tapping T for plastic pipe A tapping T for effecting a house outlet connection on non-metallic plastic pipe. A tapping tool is threadedly supported in the body of a tapping T service connector adapted for mounting on a pipe main under pressure. The cutting nose of the tool is secur... | 12/20/1977 |
| 4059291 | Branch connection Branch connection for a pipe, which connection comprises a saddle-shaped part provided with an internally screw-threaded tubular member integral with said part, and a tee piece provided with a screw thread which engages with the first-mentioned screw thre... | 11/22/1977 |
| 4052953 | Flushing device for outboard motors Disclosed herein is a flushing device for supplying fluid to a water intake port on a lower unit of an outboard motor. The device comprises a flexible strap having a first end and a second end, along with a buckle connected to the first end. The buckle in... | 10/11/1977 |
| 4050720 | Hot tap for pipeline Two embodiments of a hot tap are disclosed. In the first embodiment, a hot tap is formed around a pipeline. It includes an elongate sleeve divided into two semi-cylindrical portions. The two portions preferably bolt together. They divide along two lengthw... | 09/27/1977 |
| 4043333 | Clamp-on injection site A disposable self-locking injection site can be clamped onto tubing anywhere along the line. The injection site includes a tubular barrel having two sections integrally hinged together with snap-fitting coupler parts which lock the sections together in a ... | 08/23/1977 |
| 4018464 | Tapping tee Tapping tee for a main pipe having integral coupling means for coupling to branch pipes made of flexible or relatively inflexible synthetic materials. A branch-receiving socket has a support pipe fitting snugly inside the branch pipe, and an integral slee... | 04/19/1977 |
| 4018246 | Line tap valve A line tap valve having a body portion integrally formed with opposed leg portions defining a saddle for the reception of a line to be tapped and bendable into embracing relation about the line to retain it securely in place during soldering or brazing, t... | 04/19/1977 |
| 4015634 | Split-sleeve pipe device with integral seal and insulator A split-sleeve type pipe device for assembly on a pipe for sealing off at a leak, hot tapping a pipe at a desired location, and electrically insulating the pipe for cathodic protection. The coupling includes a one piece gasket insulator having split annul... | 04/05/1977 |
| 3999785 | Mechanical pipe outlet Branch pipes are secured to main pipes mechanically by means fitted about the main pipe at a hole in the pipe wall. Two sections of the outlet contact the main pipe around its entire circumference, and either or both sections can have a spigot for fitting... | 12/28/1976 |
| 3995655 | Apparatus for and method of making a service line connection through a fitting An apparatus and method for opening a flow-way in a main when the main is to be connected to a secondary main or service line. The apparatus includes a fitting arranged to be at least temporarily secured to the main, the fitting being provided with a cutt... | 12/07/1976 |
| 3981061 | Method for joining pipes A pipe joining device for interconnecting a main pipe to a branch pipe in fluid flow communication comprises a lug pipe, sealing collar and lock nut. The lug pipe is a short, externally threaded pipe having a pair of lugs extending radially from one end t... | 09/21/1976 |
| 3978881 | Gas line pierce valve The invention provides a valve assembly for use on a refrigerating pipe line to gain access to the refrigerant so that it can be removed or replaced without disassembly of the piping while repairs are being made. The assembly is a compact structure compri... | 09/07/1976 |
| 3958593 | Apparatus for connecting a main to a plurality of sizes of service lines Disclosed is an apparatus for selectively connecting different sizes of service conduits to mains. The apparatus has a fitting with first and second bores therethrough. These bores are axially spaced and positioned in the fitting to radially extend from t... | 05/25/1976 |
| 3954541 | Welding of thermoplastics through resistance heating Surfaces of thermoplastic parts are welded by placing a star-shaped heating element in-between the parts. The element is a coiled wire jacketed in plastic which melts during the welding. The resulting bond covers a relatively large area. The method is use... | 05/04/1976 |
| 3939882 | Cable reclamation method and apparatus Cable reclamation method and apparatus by which moisture is precluded from entering or is purged from an electrical cable by injecting a two-part polymerizable compound in liquid phase into and along the cable. Any moisture present is purged through an ou... | 02/24/1976 |
| 3937245 | Method and apparatus for connecting a right angle service line to a main Disclosed is an apparatus for connecting a service line at a right angle to a main, having a fitting with one end shaped to be fixed to the exterior surface of the main in a plane with the fitting extending horizontally from the main. First and second thr... | 02/10/1976 |
| 3933170 | Apparatus for securing a line tap valve to the exterior of a tubing line An improved apparatus for securing an externally threaded line tap valve to the exterior of a penetrable tubing line such as that found in a closed refrigeration system. The apparatus is adapted to secure a line tap valve to a line having any of a plurali... | 01/20/1976 |
