| Patents for E03F 11 - Cesspools (352) |
|---|
| 06/27/2000 | US6080305 Sewage purification plant |
| 05/30/2000 | US6068765 Separator tank |
| 05/17/2000 | CN2378452Y Steel fibre concrete cesspool |
| 03/21/2000 | US6038710 Sewage removal system |
| 02/02/2000 | CN2361693Y 坐便箱 Potty box |
| 12/15/1999 | EP0963918A1 Water tank |
| 12/07/1999 | US5996136 Toilet |
| 11/03/1999 | CN2346850Y Safety anti-theft manhole cover |
| 11/03/1999 | CN2346849Y Multifunctional sewage sedimentation pail |
| 10/06/1999 | CN2342033Y 自动冲便器 Automatic red toilet |
| 10/01/1999 | CA2242192A1 Sewage purification plant |
| 08/11/1999 | EP0934149A1 Mould closing system, method and mould system for producing large injection moulded articles with application of very high closing pressures as well as so equipped injection moulding machine |
| 07/27/1999 | US5927898 Method for installing a septic tank in soil |
| 05/19/1999 | CN2319462Y Cipher locking anti-theft manhole cover |
| 04/20/1999 | US5895569 For municipal developments. |
| 03/25/1999 | DE19738164A1 Caisson-inserting tool |
| 02/10/1999 | CN1207436A Manhole closing device |
| 12/16/1998 | CN1201856A Aerobic digestion toilet |
| 11/25/1998 | EP0879576A2 Toilet |
| 09/16/1998 | CN2291455Y Glass fibre reinforced plastic composite blowoff chamber |
| 09/15/1998 | US5806702 Ribbed storage tank |
| 09/01/1998 | US5800143 Anchoring frame for containment box |
| 08/21/1998 | CA2198178A1 Plastic combined vacuum and holding tank |
| 06/30/1998 | US5772361 For burial in soil |
| 06/23/1998 | US5770071 Sand filter for a wastewater effluent management system |
| 06/02/1998 | US5759849 Sludge treatment tank thereof construction method thereof |
| 04/30/1998 | WO1998017458A1 Mould closing system, method and mould system for producing large injection moulded articles with application of very high closing force as well as so equipped injection moulding machine |
| 04/21/1998 | US5741037 Septic tank lid removing tool |
| 11/25/1997 | US5691050 Concrete molding with improved acid resistance |
| 11/19/1997 | EP0679209B1 Tank |
| 10/16/1997 | DE19613523A1 Reinforced concrete support element e.g for support of garage above water tank |
| 09/30/1997 | US5672506 Concrete tank including member composed of glass long fiber reinforced foamed plastic composite material as inside wall and formwork |
| 09/16/1997 | US5667670 Wastewater effluent management system using a sand filter |
| 09/11/1997 | DE19608201A1 Drainage system for removing surface water |
| 08/19/1997 | US5657782 Septic tank flush |
| 08/12/1997 | US5656766 Underground drain tank |
| 08/07/1997 | DE19604051A1 Septic tank for sewage |
| 05/28/1997 | DE19543766A1 Underground water storage cistern |
| 05/27/1997 | CA2039569C Tank and a support housing for supporting a bladder |
| 05/15/1997 | WO1997011033A3 Small plant for the treatment of waste water, especially domestic waste water |
| 03/27/1997 | WO1997011033A2 Small plant for the treatment of waste water, especially domestic waste water |
| 03/13/1997 | DE19533175A1 Belüftete Mehrkammer-Kleinkläranlage zur biologischen Behandlung von Abwasser Ventilated multi-chamber septic system for biological treatment of sewage |
| 03/11/1997 | US5609267 Corrosion-resistant storage tank for runoff liquids |
| 03/06/1997 | DE19509467A1 Waste water processing plant |
| 02/04/1997 | US5599597 Concrete molding with improved acid resistance |
| 01/28/1997 | US5597477 Sewage effluent disposal system having sparger in holding tank |
| 12/19/1996 | DE19509466A1 Liq. storage tank with closable inlet and outlet |
| 12/15/1996 | CA2179135A1 Treatment system |
| 12/05/1996 | DE19520142A1 Concrete surface elements for shafts |
| 11/27/1996 | CN2241169Y Theftproof gully and manhole device |
| 10/24/1996 | DE19609602A1 Water transfer shaft of lid and base segments |
| 10/10/1996 | DE19508261C1 Container for buried tank |
| 10/01/1996 | US5560821 Waste water treatment system |
| 09/18/1996 | EP0732308A1 Sludge treatment tank and construction method thereof |
| 08/22/1996 | DE19504740A1 Odourless container cover using liq. and gas impermeable foil |
| 07/16/1996 | US5536404 Wastewater effluent management system using a sand filter |
| 06/04/1996 | US5522672 System and method for cleaning a sewage field line from a septic tank |
| 04/13/1996 | CA2170783A1 Nh3000ltd. rigid foam insulated building panel systems |
| 03/24/1996 | CA2132799A1 Underground drain tank |
| 03/21/1996 | WO1996008616A1 A toilet separator device |
| 02/08/1996 | DE4427190A1 A fully transportable neutralising unit to treat alkaline waste water, esp. |
| 02/07/1996 | CN2219333Y Theft-proof cesspool cover |
| 01/25/1996 | DE19527970A1 Water clarification plant |
| 01/03/1996 | CN2216548Y Self-locking cesspool grating |
| 11/02/1995 | EP0679209A1 Tank |
| 10/19/1995 | WO1995027682A1 Plant and method for local treatment of water and sewage |
| 08/15/1995 | US5441632 Septic system with above-ground septic tank |
| 07/19/1995 | CN2203703Y Reinforced concrete prefabricated water supply and drainage well |
| 06/28/1995 | EP0659949A1 Manhole element and process for making concrete elements, in particular manhole elements |
| 06/06/1995 | US5422003 Gas-liquid separation flow rate regulator in sewage disposal tank |
| 04/12/1995 | EP0632873A4 Water conserving wastewater disposal system. |
| 02/14/1995 | US5388719 Fitting structure of partition plates to structure |
| 01/19/1995 | DE4321557A1 Process for setting up basins for sewage treatment |
| 01/12/1995 | DE4420030A1 Throughflow-speed regulator for gas/liquid separation |
| 01/11/1995 | EP0632873A1 Water conserving wastewater disposal system |
| 11/23/1994 | CN2183387Y Integrated glass fiber reinforced plastic sewage well |
| 11/17/1994 | DE4415735A1 Concrete-element structure |
| 11/08/1994 | US5361930 Two-piece nestable septic tank with integral antifloatation collar |
| 09/20/1994 | CA1332081C Above-ground septic system |
| 08/02/1994 | CA1331223C Septic system |
| 07/21/1994 | WO1994016156A1 Tank |
| 07/14/1994 | DE4300634A1 Demountable rainwater storage tank |
| 05/03/1994 | CA1329279C Linear barrier for septic tanks |
| 04/13/1994 | CN2161655Y Cesspool |
| 03/03/1994 | DE4228387A1 Domestic sewage outflow - has sepn. of solid and fluid phases to allow only fluid to pass through collection channel into the sewage disposal system |
| 10/20/1993 | EP0565987A2 Moulded concrete body with good resistance to acids |
| 10/14/1993 | CA2093606A1 Concrete molding with improved acid resistance |
| 09/30/1993 | WO1993019320A1 Water conserving wastewater disposal system |
| 09/30/1993 | CA2131698A1 Water conserving wastewater disposal system |
| 09/28/1993 | US5248219 Sewage tank system and method of construction |
| 09/07/1993 | US5242584 All-fluid septic tank with incorporated liquid collector |
| 08/12/1993 | DE4203341A1 Internally coated concrete storage and treatment vats - in which the surface of the concrete is roughened by spraying with water under pressure soon after commencement of hardening prior to coating |
| 07/27/1993 | CA1320621C Process for the production of tanks with internal chambers |
| 06/08/1993 | US5217042 Residential waste water disposal system |
| 04/28/1993 | CN2130844Y Anti-theft well cover |
| 03/03/1993 | CN2127723Y Theft-proof cover for manholes |
| 02/18/1993 | DE4126736A1 Single stage waste water purificn. plant - has aeration tank with rotary aeration bridge having turbulator propeller, for increased purificn. capacity e.g. denitrification |
| 02/16/1993 | US5186354 Tank and a support housing for supporting a bladder |
| 12/15/1992 | US5171434 Effluent recycling sanitation system |
| 08/19/1992 | CN2113259U Multifunctional city environmental sanitation device |