| Patents for E03F 9 - Arrangements or fixed installations for cleaning sewer pipes, e.g. by flushing (1,182) |
|---|
| 01/11/2000 | US6012477 Circulating drainage system for sewage pipe installation work |
| 01/04/2000 | US6009588 Drain cleaning apparatus |
| 12/28/1999 | US6006766 Sewer line flushing system and method |
| 12/14/1999 | CA2179092C Drain cleaning apparatus |
| 12/07/1999 | US5996621 Circulating drainage system for sewage pipe installation work |
| 12/07/1999 | US5996597 Portable drain cleaning apparatus and pressurized gas cartridge usable therewith |
| 12/07/1999 | US5996275 Species specific tensioned hair triggered firing mechanism for animal traps |
| 12/07/1999 | US5996159 Waste line inspection and clean out device with water jet head |
| 11/23/1999 | US5988188 Method and apparatus to remove obstructions from sewers without cutters or chemicals |
| 11/23/1999 | US5987684 Urinal auger |
| 11/23/1999 | US5987683 Flexible pipe cleaning device and system |
| 11/11/1999 | DE19819406A1 House drainage connection channel flushing device |
| 11/02/1999 | US5975111 Waste tank clog removal system |
| 10/28/1999 | DE19810322A1 Vorrichtung zur Kanalreinigung Apparatus for sewer cleaning |
| 10/27/1999 | EP0952264A2 Drain cleaning apparatus |
| 10/13/1999 | CN2343233Y Advanced sewer dredging machine |
| 10/02/1999 | CA2267028A1 Pipe cleaning vehicle |
| 09/22/1999 | CN2339646Y Expansion-plug type pneumatic pipeline dredging device |
| 09/16/1999 | WO1999046452A1 Device for cleaning sewers |
| 09/07/1999 | US5946767 Pipe cleaning vehicle |
| 08/18/1999 | EP0936319A2 Cleaning device for pipes and sewer systems |
| 08/18/1999 | CN1225966A Vehicle for dredging and dirt-removing of drainage pipline |
| 08/12/1999 | DE19806350A1 Device for cleaning channels |
| 08/10/1999 | US5933903 Waste line clean out device with water jet head |
| 08/05/1999 | DE19847141A1 Method for cleaning channels containing deposited material |
| 07/21/1999 | CN2329713Y Multifunctional pipeline dredging device |
| 07/13/1999 | US5922197 Debris suppression device |
| 06/30/1999 | CN2326357Y Alkali-cleaning-up machine for U-shaped pipeline |
| 06/22/1999 | CA2106403C Method and device for cleaning underwater pipes |
| 06/15/1999 | US5911255 Pipe cleaning method and device |
| 05/26/1999 | EP0918113A1 Sliding system for continuous control |
| 05/12/1999 | DE19739359A1 Portable pipe cleaning machine |
| 05/11/1999 | US5901401 Feed control device for plumbing tools |
| 04/28/1999 | EP0911452A2 Driving device, branch pipe inspecting/cleaning method, and branch pipe inspecting/cleaning device |
| 04/27/1999 | US5896878 Pipe washing apparatus |
| 04/20/1999 | CA2188102C Pipe rehabilitation system and methods |
| 03/24/1999 | CN2311533Y Multi-function environmental sanitation micro-machinery vehicle |
| 03/23/1999 | US5884842 Tank cleaning tool |
| 03/10/1999 | CN2310106Y Pipe line dredging drill |
| 03/02/1999 | US5875508 Hydrostatic sewer cleaning machine |
| 02/24/1999 | EP0898025A1 Apparatus for actuating the mechanism of a flushing device |
| 02/15/1999 | CA2244938A1 Device for operating a mechanism of a rinsing fixture |
| 02/03/1999 | EP0894906A2 Feed control device for plumbing tools |
| 02/03/1999 | CN1206804A Feeding controller for pipeline engineering equipment |
| 01/28/1999 | WO1999003606A1 Waste line inspection and clean out device with water jet head |
| 01/26/1999 | US5862561 Waste line inspection and clean out device with water jet head |
| 10/22/1998 | WO1998046374A1 Method and device for cleaning piping with a vertical section |
| 10/22/1998 | DE19801114A1 Components providing self-cleaning in a waste water retaining chamber |
| 10/21/1998 | EP0872680A2 Apparatus for the inspection and servicing of pipes |
| 09/29/1998 | US5813089 Duct cleaning apparatus |
| 09/11/1998 | WO1998039523A1 Cleaning device for a system of pipes |
| 09/08/1998 | US5803101 Portable drain cleaning apparatus |
| 08/19/1998 | EP0859094A1 Manhole shaft system and introducing guide |
| 07/28/1998 | CA2145126C Pipe laying system and method |
| 07/15/1998 | EP0853165A1 Circulating drainage system for sewage pipe installation work |
| 07/15/1998 | EP0853164A1 Circulating drainage system for sewage pipe installation work |
| 07/09/1998 | WO1998029676A1 Testing of plumbing installations and plumbing tool |
| 06/23/1998 | US5768741 Flexible pipe cleaning device and system |
| 06/03/1998 | EP0845561A2 Wave flushing for reservoirs, conduits and sewers |
| 05/26/1998 | US5755002 Sewer cleaning tool |
| 05/22/1998 | WO1998020988A1 Hydrodynamic tool for cleaning pipes and ducts |
| 05/13/1998 | EP0841101A1 Hydrodynamic tool for the cleaning of tubes and conduits |
| 05/13/1998 | EP0840828A1 Waste water disposal process |
| 04/21/1998 | US5740830 Testing of plumbing installations |
| 04/16/1998 | DE19622938A1 Ventilator for drain water ducting |
| 04/07/1998 | US5735955 Apparatus for generating and dispersing foam herbicide within a sewer |
| 04/01/1998 | EP0555277B1 Apparatus for projecting devices through tubes and conduits |
| 03/25/1998 | EP0831299A1 Device for observing inner wall surface of conduit |
| 03/25/1998 | EP0830236A2 Method of cleaning surfaces with an abrasive and a robot for carrying out the method |
| 03/18/1998 | EP0829585A2 Sewer cleaning vehicle |
| 03/17/1998 | US5727904 System for testing a pipe |
| 02/24/1998 | US5720309 Sewer cleaning nozzle |
| 01/27/1998 | US5711636 System for lining a pipe |
| 01/21/1998 | EP0633969B1 Jetting head |
| 01/20/1998 | US5709504 Pipe rehabilitation pulling mandrel |
| 12/16/1997 | US5697118 Assembly providing rotary motion to a coiled sewer cleanout wire |
| 11/20/1997 | DE19619326A1 Automatic pipe cleaning method using cleaning medium applied using high pressure pump and nozzle in situ |
| 11/05/1997 | EP0805239A1 Hydrodynamic sewer cleaning and inspection device |
| 09/30/1997 | US5672029 System for pipe rehabilitation |
| 09/30/1997 | CA2089990C Electromagnetic motor brake unit for rotary drain and sewer router |
| 09/24/1997 | EP0539498B1 Apparatus and method for cleaning pipe |
| 09/11/1997 | DE19607913A1 Cleaning device for buried drain-pipe |
| 09/10/1997 | CN2262062Y Cleaning vehicle for drainage pipe |
| 08/19/1997 | US5657505 Drain cleaning apparatus |
| 08/06/1997 | CN1156202A Sewer dredger |
| 07/30/1997 | EP0786564A1 Drain cleaning apparatus |
| 06/26/1997 | DE19652361A1 Drain flush powered by blockage induced nozzle recoil |
| 06/26/1997 | DE19548240A1 Rain butt for flushing drains clear |
| 06/24/1997 | US5640736 Power feed device for hand held drain and sewer cleaner |
| 06/19/1997 | DE19547139A1 Arrangement for keeping narrow water basins or channels clean |
| 06/17/1997 | US5639312 Method for cleaning underwater pipes of zebra-mussels or other organism growth therein |
| 06/10/1997 | US5636403 Tube cleaning apparatus |
| 05/28/1997 | DE19620783A1 Spray device for internal cleaning of pipes and channels |
| 05/06/1997 | US5626684 Method and apparatus for sewage surcharge dissipation |
| 05/06/1997 | US5626442 Pipe rehabilitation system and methods |
| 04/22/1997 | US5622571 Pipe cleaning modules and systems and methods for their use |
| 04/22/1997 | US5622319 Portable water jetter apparatus |
| 04/08/1997 | US5618123 Coupling device for sewer and drain cleaning cable |
| 04/03/1997 | WO1997012098A1 Circulating drainage system for sewage pipe installation work |
| 04/03/1997 | WO1997012097A1 Circulating drainage system for sewage pipe installation work |