Bizarre Patents
A method to tenderize meat with an explosive shockwave.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6748973 | Valve means A valve means for a flow pipe includes a cylindrical or sleeve like body part having a length which is longer than the extension of the flow opening in the flow pipe. The body part is fastenable to the flow pipe or to a branch part of the flow pipe by a connecting m... | 06/15/2004 |
| 6732386 | Rinse fluid valve for a vacuum toilet A rinse fluid valve for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle with a rinse fluid dispenser associated therewith and a source of rinse fluid. The rinse fluid valve has a housing with an inlet in fluid communi... | 05/11/2004 |
| 6704947 | Discharge valve for a vacuum toilet A discharge valve is disclosed for use in a vacuum toilet system having a waste receptacle defining an outlet and a sewer line placeable under partial vacuum. The discharge valve comprises a housing defining an inlet and an outlet, and a rotatable discharge valve me... | 03/16/2004 |
| 6651837 | Vacuum waste tank A vacuum waste tank for use in a vacuum drainage system. The tank has a vacuum intake for attachment to a vacuum source and a waste water intake for attachment to a vacuum pipe. The vacuum source creates a negative pressure in the tank and vacuum pipe so ... | 11/25/2003 |
| 6648002 | Vacuum sewer system A vacuum sewer system (1) comprises a source of sewage (2) and sewer piping (3) comprising a first sewer pipe (31) and a second sewer pipe (32). A first sewer valve (21) provided with an outlet port (22) is arranged between the source of sewage (2) and th... | 11/18/2003 |
| 6645387 | Separator device A method and device for separating grease from waste water. The separator device includes a receptacle with an upper first part and a lower second part separated by a plate. The receptacle further has an inlet port for waste water, a discharge port for se... | 11/11/2003 |
| 6638420 | Apparatus for sewage treatment Apparatus for treatment of sewage on vessels. The apparatus includes at least a first aeration chamber, a settling chamber, a disinfection chamber, and a storage container. In order to provide a multifunctional and efficient apparatus, the aeration chambe... | 10/28/2003 |
| 6536055 | Modular vacuum toilet with line replaceable units A modular vacuum toilet, and a method of servicing such a toilet, are disclosed. The toilet is used with a vacuum toilet system having a sewer line placeable under partial vacuum pressure and a source of rinse fluid. The modular vacuum toilet comprises a ... | 03/25/2003 |
| 6536054 | Vacuum toilet bowl assembly having removable bowl A vacuum bowl assembly for use in a vacuum toilet positioned on a support surface and having a discharge valve. The vacuum bowl assembly comprises a frame having a bottom member adapted to engage the support surface, and a top member defining a shoulder. ... | 03/25/2003 |
| 6474357 | Vacuum sewer system The invention relates to an arrangement in a vacuum sewer system, which comprises a sewer network having a sewage source and sewer piping adapted for receiving sewage from the sewage source. A liquid driven ejector device functions as a source of vacuum f... | 11/05/2002 |
| 6470925 | Vacuum system The invention relates to a method for transporting sewage in a vacuum system, which comprises a source (2) of sewage, which through sewer piping (1) is connected to a collecting or discharge space (15) for sewage, and means (4,5) for generating vacuum in ... | 10/29/2002 |
| 6467497 | Buffer box for use in a vacuum drainage system A buffer box for use in a vacuum drainage system. The buffer box defines a reservoir of known effective size which provides substantially consistently sized slugs of liquid which may be efficiently pulled up a vertical lift. The buffer box includes an out... | 10/22/2002 |
| 6434759 | Automatically operable lid for a vacuum waste receptacle A vacuum toilet for use with a waste pipe maintained under partial vacuum pressure. The vacuum toilet comprises a bowl having an upper surface defining an opening and a lid supported for pivotable movement between a lowered position, in which the lid cove... | 08/20/2002 |
| 6385789 | Vacuum gallery waste disposal system A galley waste disposal system is provided for use with an existing vacuum collection system. The galley waste disposal system includes a basin for receiving galley waste and a discharge valve connected between the basin and a collection tank. The dischar... | 05/14/2002 |
| 6370709 | Discharge valve having a disk with a flushing aperture and an air intake aperture for a vacuum toilet A discharge valve is disclosed for use in a vacuum toilet system having a waste receptacle defining an outlet and a sewer line placeable under partial vacuum. The discharge valve comprises a housing defining an inlet and an outlet and a rotatable discharg... | 04/16/2002 |
| 6349425 | Valve set for a vacuum toilet An integrated valve set for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle defining an outlet and having a rinse fluid nozzle, a source of rinse fluid, and a sewer line placeable under partial vacuum press... | 02/26/2002 |
| 6347416 | Vacuum toilet bowl assembly having a removable bowl A vacuum bowl assembly for use in a vacuum toilet positioned on a support surface and having a discharge valve. The vacuum bowl assembly comprises a frame having a bottom member adapted to engage the support surface, and a top member defining a shoulder. ... | 02/19/2002 |
| 6305403 | Aeration apparatus for a vertical riser in a vacuum drainage system A vacuum drainage system having a vertical riser with an aeration point. The aeration point prevents stalls in the vacuum drainage system by breaking up the formation of a solid fluid column in the riser. In certain applications, the aeration point allows... | 10/23/2001 |
| 6283140 | Waste fluid discharge column A waste fluid discharge column for use in a vacuum drainage system. The discharge column comprises a vertical pipe maintained under negative pressure to create a liquid column inside the vertical pipe. A chamber is attached to an upper end of the pipe and... | 09/04/2001 |
| 6216285 | Waste transport arrangement A vacuum waste system having reduced noise levels associated therewith. The vacuum waste system includes a sanitary unit for initially receiving waste. An intermediate container is connected to the sanitary unit by a first sewer pipe and a first sewer val... | 04/17/2001 |
| 6131596 | Automatic vacuum isolation valve network for a vacuum collection system An automatic vacuum isolation valve network for use in a vacuum collection system having at least two branches connected to a main vacuum pipe maintained under negative pressure. The network includes a first valve located in each branch adapted to close i... | 10/17/2000 |
| 6023795 | Washbasin drain assembly A washbasin drain assembly comprises a drain body which defines a drain passage connecting the interior space of the washbasin to the waste line and a drain plug in cooperative engagement with the drain body for selectively sealing the drain passage. A si... | 02/15/2000 |
| 5909968 | Vacuum toilet unit A vacuum toilet unit comprises a toilet bowl, an operating mechanism for the toilet function, and an outer shell enclosing both the toilet bowl and the operating mechanism. In normal use of the toilet unit, substantially all of the externally applied load... | 06/08/1999 |
| 5678597 | Closure arrangement for a toilet system with a closed collection tank A connection arrangement for a toilet system having an emptying tube connected to a closed sewage collection tank. The emptying tube has an end portion that extends through a wall and has a free end that projects from the wall for receiving in a socket of... | 10/21/1997 |
