| Patents for F16L 45 - Pipe units with cleaning aperture and closure therefor (304) |
|---|
| 01/19/2011 | CN1940373B Different type, defferent diameter connection drainage manhole |
| 12/29/2010 | EP2265852A1 Connecting structure of double tube and assembling or disassembling method of double tube |
| 12/21/2010 | US7854728 Body-space drainage-tube debris removal |
| 10/20/2010 | EP2241839A2 Duct component for an air-conditioning duct, arrangement in an air-conditioning duct, and methods for manufacturing a duct component, for servicing an air-conditioning duct, and for air-conditioning work |
| 09/08/2010 | CN201575267U Cover for test opening of riser pipe |
| 08/12/2010 | US20100199574 System and method for collecting rain water |
| 07/29/2010 | US20100186769 Firearm cleaning tool and method of using |
| 07/28/2010 | CN101574819B Distribution device |
| 07/14/2010 | CN201526706U Dredging valve capable of preventing bent part from blocking of magnesia conveying pipeline |
| 06/08/2010 | CA2639784C Gas turbine compressor water wash control of drain water purge and sensing of rinse and wash completion |
| 05/12/2010 | CN201462286U Easily dredged pipe section |
| 04/22/2010 | DE10351979B4 Rohrelement Tubular member |
| 03/30/2010 | US7685674 Exhaust gas treatment |
| 11/11/2009 | CN101574819A Distribution device |
| 10/08/2009 | WO2009123299A1 Connecting structure of double tube and assembling or disassembling method of double tube |
| 08/27/2009 | US20090212555 Fluted hopper tee |
| 08/13/2009 | WO2009099762A1 Vortex inhibitor dispersal pig |
| 08/13/2009 | CA2714174A1 Vortex inhibitor dispersal pig |
| 08/06/2009 | WO2009095044A1 Molded part having flow channel |
| 06/10/2009 | CN101451641A Hand hole closing cover device |
| 05/07/2009 | DE10319787B4 Rohreinheit Tube unit |
| 04/15/2009 | EP1756507A4 Ball trap with safety-release gate |
| 04/01/2009 | CN100473939C Ball trap with safety-release gate |
| 03/17/2009 | US7505063 Self-adjusting and centering camera mount for inspecting pipe |
| 01/06/2009 | US7472721 Method of applying a high pressure closure |
| 12/31/2008 | CN100447472C Butt-joint mouth processing cast iron pipe |
| 11/05/2008 | CN201145118Y Hand hole close over apparatus |
| 11/05/2008 | CN201145117Y Joints for toilet pollution discharging pipe and cleaning pollution pipe |
| 10/30/2008 | US20080265567 Reverse flow wye connector |
| 10/30/2008 | US20080263796 Pipeline systems using a reverse flow wye connector |
| 10/22/2008 | EP1983248A1 Pipe sealing device |
| 10/22/2008 | CN201137781Y Plate washer liquid distributing head |
| 10/08/2008 | CN201129595Y Air bag used for plugging nuclear plant steam generator main duct |
| 09/17/2008 | CN201116639Y Leak-proof drainpipe mouth |
| 07/23/2008 | CN101225915A Pipeline direction changeable combine structure for manhole with pipe |
| 05/27/2008 | US7377003 Compactable paintball marker squeegee |
| 04/30/2008 | CN201053555Y Prestressed steel barrel concrete manhole tube |
| 04/30/2008 | CN201053554Y Plugging-free type elbow |
| 04/03/2008 | CA2663883A1 Coupling guard system |
| 04/03/2008 | CA2663751A1 Access cover for pressurized connector spool |
| 03/19/2008 | CN201037577Y Water storing elbow with sewage cleaning mouth at upper thereof |
| 03/05/2008 | EP1895223A1 Pipe element for wastewater and drainage pipes with an inspection aperture |
| 02/27/2008 | CN201028209Y Anti-obstruction structure for downcomers in buildings |
| 02/21/2008 | DE102007038855A1 Tube unit for guiding gas like flow medium has tube element whereby covering element has first ring, which is attached with base plate and from base plate two form plates protrudes, which project alignment as well as first ring |
| 01/03/2008 | US20080000907 High pressure closure |
| 12/04/2007 | US7302999 Scraper blade and method for scraped-surface heat exchanger |
| 11/28/2007 | CN200982500Y Multifunctional adapters for water inlet |
| 09/27/2007 | US20070220690 A toilet bowl-cleaning system having pulverulent foaming cleanser (acid, alkali metal carbonate and surfactant) sealed in a water-soluble pouch retained within the core of a roll of bath tissue; water in the bowl penetrates the pouch, foams, activates and carries chemicals in and above water; hygiene |
| 07/24/2007 | US7246398 Apparatus and method for removing an object from a drain |
| 07/19/2007 | WO2006058177B1 Reinforced fitting and pipe |
| 07/17/2007 | US7243685 High pressure closure |
| 06/06/2007 | CN1977140A Ball trap with safety-release gate |
| 05/31/2007 | US20070119006 Support unit for a scraper and method for positioning the support elements of a scraper |
| 04/19/2007 | WO2006058177A3 Reinforced fitting and pipe |
| 04/12/2007 | WO2006019936A3 Compact drain-cleaning device with hair-snagging pad |
| 04/11/2007 | CN2888232Y Internal helix silencing upright pipe inspection orifice connector |
| 04/04/2007 | CN1940373A Different type, defferent diameter connection drainage manhole |
| 03/08/2007 | DE202006015584U1 Rohreinheit mit seitlichem Durchbruch Tube unit with partial breakthrough |
| 02/28/2007 | EP1756507A1 Ball trap with safety-release gate |
| 02/07/2007 | CN2867050Y Sewer impurity matters separating joint |
| 01/03/2007 | CN1888504A Butt-joint mouth processing cast iron pipe |
| 12/14/2006 | US20060277703 Paint pellet gun able to replace a pellet tube quickly |
| 11/23/2006 | US20060264988 Body-space drainage-tube debris removal |
| 11/22/2006 | CN2839793Y 盲板装置 Blind device |
| 10/18/2006 | EP1613889B1 Maintenance cover for a maintenance opening in a sheet metal duct |
| 10/05/2006 | DE10306139B4 Rohrförmiges Putzstück für Rohrleitungen A tubular wall element for pipelines |
| 06/28/2006 | EP1319263B1 Add-on housing |
| 05/24/2006 | CN2783062Y Quick open valve |
| 03/08/2006 | EP1631333A2 Body-space drainage-tube debris removal |
| 01/11/2006 | EP1613889A1 Maintenance cover for a maintenance opening in a sheet metal duct |
| 12/07/2005 | CN1230646C Fast opening and closing access door for pipes and containers |
| 11/10/2005 | WO2005106373A1 Ball trap with safety-release gate |
| 11/10/2005 | US20050247711 High pressure closure |
| 11/10/2005 | CA2564270A1 Ball trap with safety-release gate |
| 11/09/2005 | EP1593884A1 High pressure closure |
| 07/20/2005 | CN2711499Y Integrated bend |
| 07/06/2005 | EP1549875A1 Means for removal of flow obstructions in pipes provided with rinse ports covered by sealing membranes through which rinsing means can be inserted |
| 07/05/2005 | US6913071 Ball trap with safety-release gate |
| 05/25/2005 | DE102004019246B3 Pipe system carrying especially gaseous medium has in larger diameter outer pipe a radially extending connecting element formed as closed ring from extruded wire with ends permanently interconnected by welding |
| 05/03/2005 | US6886867 Drain hose flush system |
| 02/17/2005 | WO2004098654A3 Body-space drainage-tube debris removal |
| 12/23/2004 | CA2528984A1 Automatic combustion air port cleaner with air/oil indexing mechanism |
| 11/18/2004 | WO2004098654A2 Body-space drainage-tube debris removal |
| 11/04/2004 | DE202004011633U1 Rohrsystem aus wenigstens zwei etwa koaxialen Leitungsrohren Pipe system of at least two substantially coaxial pipes |
| 11/04/2004 | DE10317718B3 Revisionsverschluss für eine Revisionsöffnung eines Blechkanals Maintenance cover for an inspection opening a sheet metal channel |
| 11/03/2004 | EP1473505A1 Leakage protection |
| 10/28/2004 | WO2004092637A1 Maintenance cover for a maintenance opening in a sheet metal duct |
| 10/27/2004 | CN2651565Y Telescopic check mouth |
| 08/26/2004 | DE10319080B3 Closure for an outflow opening, at a waste water pipe, has a seal packet of elastomer seals which can be pierced to insert a cleaning tool without water flooding out into the living area |
| 07/29/2004 | DE10044791B4 Anbaugehäuse Growing housing |
| 07/07/2004 | CN2624019Y Integrated pipe inspection well |
| 04/15/2004 | WO2004031639A1 Means for removal of flow obstructions in pipes provided with rinse ports covered by sealing membranes through which rinsing means can be inserted |
| 04/08/2004 | DE20319661U1 Connection for sample removal and for cleaning for Archimedean screw pump is fastened to lid of access opening and has pipe leading to valve and outlet pipe |
| 03/03/2004 | EP1392994A1 Fast opening and closing access door for pipes and containers |
| 02/12/2004 | DE20318525U1 Method for fitting inspection cover to elbow of flue duct has a support rod fitted to the rear of the cover with the free end located through a hole in the back of the duct and secured by a threaded nut |
| 01/08/2004 | DE10306139A1 Rohrförmiges Putzstück für Rohrleitungen A tubular wall element for pipelines |
| 11/05/2003 | EP1359358A2 Pipe assembly |
| 11/03/2003 | CA2427093A1 Drain hose flush system |
| 10/29/2003 | CN2583482Y Pipe fitting inspection hole and closure |
| 09/17/2003 | CN2573834Y Dredging valve for heating pipe |