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| Number | Title | Issue Date |
| 4127290 | Spigot-and-socket joint for tubes A spigot and socket joint includes an annular locking member surrounding the spigot member, an annular part surrounding the locking member and a clamping collar engaging radial flanges on the annular part and on the socket member to hold the annular part ... | 11/28/1978 |
| 4119335 | Pipe and tubing connectors A pipe coupling is provided having a sleeve with frusto-conical ends, elastomer gaskets fitting in said frusto-conical ends, a follower at each end of the sleeve having a frusto-conical opening, a plurality of generally triangular jaws fitting in said ope... | 10/10/1978 |
| 4109944 | Pipe coupling A coupling for unthreaded pipes of a sprinkler system, which permits the replacement of a small damaged pipe section without bending the pipes already emplaced in the ground. The coupling is comprised of a pair of semi-cylindrical pipe sections adapted to... | 08/29/1978 |
| 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 |
| 4108478 | Means to prevent relative rotation of threaded together pin and box tool joints In a rotary drilling system for drilling deep, large-diameter bore holes in the earth, using multiple lengths of drill pipe joined together by threaded tool joints, the improvement in means to prevent relative rotation while joining and unjoining the two ... | 08/22/1978 |
| 4082094 | Locking device for intravenous insert A locking device for a tubing connection used in intravenous feeding. The invention comprises a body with a channel therein adapted to receive a tubing connection. The body is resiliently compressible transverse to the channel. To secure the locking devic... | 04/04/1978 |
| 4070045 | Separable connection for conduit segments conveying a fluid under pressure An improved separable connection, between conduit segments for conveying therethrough a fluid under pressure, is provided by flange and socket means that permits telescoping to initially locate the axes of the conduit segments within a plane, and then emp... | 01/24/1978 |
| 4070046 | Pipe and tubing connecting sleeve A pipe coupling is provided having a sleeve with frusto conical ends, elastomer gaskets fitting in said frusto conical ends, a follower at each end of the sleeve having a frusto conical opening, a plurality of generally triangular jaws fitting in said ope... | 01/24/1978 |
| 4033613 | Locked joint between two pipe elements capable of having an angular deviation with respect to each other The socket of one of the pipe elements has on at least a part of its outer end a radial abutment defining an abutment face facing inwardly of the socket. A device for locking the joint against forces tending to separate the pipe elements comprises at leas... | 07/05/1977 |
| 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 |
| 4010966 | Pipe coupler A pipe coupler has male and female portions each adapted for attachment as by welding or the like to the ends of pipe lengths. The male element, which is non-circular in cross section, telescopes into a like configured bore in the female portion, with the... | 03/08/1977 |
| 3973625 | Underwater connection apparatus An improved underwater connection apparatus is provided for selectively making fluid connection between a Christmas tree flowline and a flowline extending underwater from surface storage facilities, the storage flowline being pulled into a position of par... | 08/10/1976 |
