| Patents for F16L 53 - Heating or cooling pipes or pipe systems (2,134) |
|---|
| 01/23/1980 | EP0007296A1 Skid pipe more particularly adapted to be used in a pusher type furnace and production of high pressure saturated vapour therewith |
| 12/25/1979 | CA1068622A Sample line tube |
| 06/05/1979 | CA1055913A1 Valve |
| 05/22/1979 | US4156127 One layer composed of homogeneous mixture of polytetrafluoroethylene and electrically conductive carbon |
| 05/15/1979 | US4154446 High temperature rotary joint |
| 05/15/1979 | CA1054665A1 Means for sectionally increasing the heat output in a heat-generating pipe |
| 05/01/1979 | US4152577 Method of improving heat transfer for electric pipe heaters |
| 04/03/1979 | US4147186 Thermal insulation assembly |
| 01/23/1979 | CA1047087A1 System for controlling electrical power in an internal wire impedance heating system |
| 01/09/1979 | US4133095 Treating, including induction heating of well pipe connections |
| 11/07/1978 | US4124179 Mobile home antifreezing system |
| 10/24/1978 | US4121858 Flanged pipe joints |
| 10/03/1978 | US4117856 Frostproof backflow preventer |
| 05/30/1978 | US4091837 Freezeproof breather valve |
| 05/23/1978 | US4091261 Electrically heated animal watering device |
| 02/14/1978 | US4073308 Valve |
| 01/17/1978 | US4069409 Electrically heated fluid coupling apparatus |
| 12/20/1977 | US4063573 Thermal insulation assembly |
| 08/30/1977 | US4045056 Expansion compensator for pipelines |
| 05/17/1977 | US4023832 Apparatus for the transmission of heated fluid |
| 05/10/1977 | US4022243 Frost proof sillcock |
| 04/12/1977 | US4017102 Jacket construction for pipe coupling |
| 01/11/1977 | US4002881 System for controlling electrical power in an internal wire impedance heating system |
| 10/26/1976 | US3988029 Cryogenic fluid coupling device |
| 10/05/1976 | US3984131 Packing gland for TiCl4 inlet to oxidizer reactor |
| 09/28/1976 | US3983360 Means for sectionally increasing the heat output in a heat-generating pipe |
| 08/24/1976 | US3975819 Method for passing an insulated wire through the inside of ferromagnetic pipe for a heat-generating pipe utilizing skin effect current |
| 08/10/1976 | US3973585 Jacket construction for fluid flow fittings |
| 07/27/1976 | US3971401 Sillcock |
| 06/15/1976 | US3963856 Flexible, corrugated, plastic tubing having conductive helical bead |
| 05/11/1976 | US3955601 Heat insulating jacket for a conduit equipped with self-locking seam |
| 03/16/1976 | US3943965 Pipeline for transporting petroleum products through tundra |
| 02/10/1976 | US3937495 Apparatus for connecting and sealing together two lengths of cylinder barrel of a worm extruder |
| 01/13/1976 | US3932727 Electrically heated riser pipe for a fluid supply system |