Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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12/16/1992 | EP0518174A1 Method and apparatus for applying a coating to the inner surface of a pipe |
12/15/1992 | US5171944 Pressure pulsation absorbing device |
12/15/1992 | US5171771 An acrylic monomer, a low-molecular-weight glycol carrier and a free radical initiator; in situ sealing of underground gas pipes by spraying |
12/15/1992 | US5171514 Nozzle dam having a unitary plug |
12/15/1992 | US5171106 Cutting/expanding tool |
12/15/1992 | US5171105 Process and device for lining tunnels and ducts having circular and non-circular cross-sections, especially for canal and tunnel construction |
12/15/1992 | US5170986 Flow control bladders for zone control apparatus |
12/10/1992 | WO1992021909A1 Deformation device for deforming a sealing element made of plastics material fitted in a pipe |
12/10/1992 | DE4118925A1 Sealing device for pipelines and fittings - has two=part pressure-resistant container fitting round unsealed area |
12/09/1992 | EP0517489A1 Method and apparatus for installing a pipe liner |
12/09/1992 | EP0517127A1 Emergency break-away coupling |
12/09/1992 | EP0517056A1 Rotary valve |
12/09/1992 | EP0516945A2 Stiffening device for sheet metal airducts |
12/09/1992 | EP0516841A1 Orifice system. |
12/08/1992 | US5168902 Installing a cylindrical stopper into a conduit |
12/08/1992 | US5168890 Method and device for fitting a rotary throttle unit in a pipe |
12/08/1992 | US5168682 Plastic liners for concrete structural elements and the elements and structures produced thereby |
12/02/1992 | EP0516607A1 Method for internal sealing of the junction between a main and a lateral pipe |
12/02/1992 | EP0516179A2 Apparatus for expanding and sealing a sleeve into a surrounding tube |
12/01/1992 | US5167901 Method of everting a tube |
12/01/1992 | US5167258 Re-lining of sewers |
12/01/1992 | US5167251 Throttle in a hydraulic system |
12/01/1992 | US5167064 For installation in a heat exchanger |
12/01/1992 | US5167056 Apparatus for the lining of existing pipes |
11/26/1992 | WO1992020951A1 Pulsation dampening device for pipes and machines |
11/26/1992 | WO1992020504A1 Ultrasonically cured replacement pipe and method of installation |
11/26/1992 | DE4117053A1 Pipe run for carrying solids and fluids in mine - has vertical and horizontal sections and internal throttle sleeve fitted inside vertical pipe joints |
11/26/1992 | DE4116761A1 Device for temporary closure of defective oil riser pipe arrangement - has housing with at one end an opening at which housing can be attached to defective arrangement |
11/24/1992 | US5165439 Frangible connectors |
11/24/1992 | US5165251 Coupler for pipe of cooler unit |
11/19/1992 | EP0514039A1 Towing swivel for pipe inspection vehicle or other pipe vehicle |
11/19/1992 | EP0513125A1 An emergency shut-off device. |
11/19/1992 | EP0513020A1 Fuel-injection nozzle with an overflow-oil line. |
11/19/1992 | DE4213898A1 Remote control repair equipment for underground conduits - has TV camera attached to removably insertable extension |
11/19/1992 | DE4115563A1 System for double lining pipes - first closes branch pipes before rolling in hose filled with glass-fibre plastics |
11/18/1992 | CN2122302U Refrigerator silencer |
11/17/1992 | US5164826 Method and apparatus for visual inspection of the internal structure of apparatus through internal passages |
11/17/1992 | US5164237 High tensile strength woven textile, rubber layer, strength, elasticity |
11/17/1992 | US5163481 Tubular liner for softlining pipe rehabilitation |
11/17/1992 | US5163480 Conduit isolation diaphragm assembly |
11/17/1992 | CA1310282C Quick acting test plug |
11/12/1992 | DE4114859A1 Procedure and device for replacement of brick built sewers - old sewer demolishes and spoil removed and new concrete sewer lining introduced |
11/12/1992 | DE4114666A1 Pipe-laying device to replace old pipes - has guide head and basket with rotatable drilling head breaking up old pipe and enlarging pipe trench |
11/11/1992 | EP0512485A2 Cut off valve system for fluid delivery pipes |
11/10/1992 | US5161864 Adjustable pressure control device for hydraulic brake systems |
11/10/1992 | US5161835 Pipe joint mechanism having high maintainability with wrap-around seal member |
11/04/1992 | EP0511934A1 Vehicle with an apparatus for inspecting pipes |
11/04/1992 | EP0511260A1 Improvements relating to the lining of pipelines or passageways. |
11/04/1992 | EP0511214A1 Fixing device. |
11/03/1992 | US5160476 Method for producing a resin pipe for use as the inner lining of existing pipes |
11/03/1992 | US5160226 Tapered expansion sealing plug |
11/03/1992 | US5159983 Thermite reaction |
10/29/1992 | WO1992018800A1 Plumbling apparatus |
10/29/1992 | WO1992018322A1 Pipe joint member |
10/29/1992 | DE4113881A1 Pressurised pipe connection - has locking unit tensioned against pipe end face seal |
10/29/1992 | CA2085886A1 Pipe joint member |
10/28/1992 | EP0510784A1 Tubular liner for pressure pipes |
10/28/1992 | EP0510306A1 Method and apparatus for manufacturing a reinforced curable plastic tube |
10/28/1992 | EP0510089A1 Method for lining the inside of an accessible pipe and tunnel ring for implementing same. |
10/28/1992 | EP0510042A1 Damper for hydraulic clutch actuator |
10/28/1992 | EP0307416B1 Sanitation machine for repairing and sealing inaccessible ducts |
10/28/1992 | CN2120246U Gate valve capable of cutting out pipeline |
10/27/1992 | US5158200 Tank connector construction and method of fabrication |
10/27/1992 | US5158162 Tube vibration dampener and stiffener apparatus and method |
10/27/1992 | US5157982 Rotary actuator |
10/27/1992 | CA1309426C Damping treatment for pipes and bodies |
10/27/1992 | CA1309333C Method of and means for lining and over-wrapping of conduits and the lining of tunnels |
10/24/1992 | CA2054141A1 Earth duct tunnel enlargement apparatus and method |
10/22/1992 | DE4114750A1 Shutting off flow in high pressure pipes remote from danger area or pipe end - uses circular cutter in support housing and shaft and valve, suitable for medium being carried by pipe or oil well probe |
10/22/1992 | DE4112344A1 Sealing oil and gas well pipelines and extinguishing fire - by sawing through half pipe cross=section with very thin blade, inserting slide plate |
10/21/1992 | EP0509344A1 Pressure hose and tubular throttle insert therefor |
10/20/1992 | WO1992018395A1 Assembly of mouthpiece, stopper and lock for shutting off a pipe mouth |
10/20/1992 | US5156886 Attaching covering to wall, boring hole near leak, inserting nozzle and tube, spraying anaerobically setting sealant over void to prevent leakage |
10/20/1992 | US5156680 Flow restrictor for a fluid |
10/20/1992 | US5156483 Seal device for hollow shaft |
10/20/1992 | US5156190 Hydraulic safety hose with fluid removal conduit |
10/20/1992 | CA2108787A1 Assembly of mouthpiece, stopper and lock for shutting off a pipe mouth |
10/18/1992 | WO1992018799A1 Pulsation damper for a pumped liquid system |
10/18/1992 | CA2107919A1 Pulsation damper for a pumped liquid system |
10/15/1992 | WO1992017728A1 Modular robot system for sewer renewal |
10/15/1992 | WO1992017724A1 Device for trench-free replacement of underground pipelines |
10/15/1992 | WO1992017359A1 Cornering pipe traveler |
10/15/1992 | DE4112038A1 Method of closing pipe containing high speed or high pressure contents - consists of piercing hole in outer casing and inserting grid of bolts or rods |
10/14/1992 | EP0508085A2 Installation pipe or downpipe with pipe clamp |
10/14/1992 | CN2118609U Sealed type drilling threading machine |
10/13/1992 | US5154936 Apparatus for everting a tube |
10/13/1992 | CA2062842A1 Pipeline vibration damper |
10/07/1992 | EP0507705A1 Liquid supply device provided with a noise and water hammer attenuator |
10/07/1992 | EP0506837A1 Locking device. |
10/07/1992 | CN1018573B Method for quick and easy repairing burst of submerged steel pipe |
10/06/1992 | US5153718 Cutting apparatus with viewer |
10/06/1992 | US5152635 For a fluid carrying pipe |
10/06/1992 | US5152311 Method for preventing fluid from reaching a portion of a pipe |
10/06/1992 | CA1308324C Constant pressure variable flow pump |
10/01/1992 | WO1992016987A1 Heat reshapeable rigid conduit |
10/01/1992 | WO1992016784A1 Method and apparatus of lining a passageway |
09/30/1992 | EP0506513A1 Flow control valve |
09/30/1992 | EP0506181A1 Method for lining from the inside a connection between a main pipe and a branch pipe, using an expandable sleeve of hardenable material, and a sleeve suitable for the purpose |
09/30/1992 | EP0506142A1 A seal |
09/30/1992 | EP0505704A1 Sealing device for cylindric apparatus, especially to plug pump tubes inside nuclear reactor containers |