Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
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 |
| 6928883 | Magnetic field coupler for fluid meter A magnetic field coupler has a plurality of magnetic poles with respective first ends located immediately adjacent a circular path of a rotating magnet in a meter. The magnetic poles have respective opposite ends located immediately adjacent a magnetic sensor in a m... | 08/16/2005 |
| 6915703 | Capacitance meter A method for determining a flow property of a fluid flowing through a conduit provided with a capacitance meter having an upstream and a downstream annular capacitance sensor, wherein each annular capacitance sensor having at least three sensor electrodes, which sen... | 07/12/2005 |
| 6712140 | 3rd borehole radar antenna and algorithm, method and apparatus for subsurface surveys The invention relates to a borehole radar tool comprising, in a housing (2) a transmitting antenna and a receiving antenna both of which comprise, near the housing wall (2), a dipole antenna (8) and a reflector (10) opposite thereto. Also... | 03/30/2004 |
| 5675488 | Location determination using vector measurements A method for locating underground cylindrically symmetrical magnetic sources, particularly boreholes, from magnetic field measurements. The method is based on the shape of magnetic field produced by magnetic materials with cylindrical axes. As the field c... | 10/07/1997 |
| 5216924 | Passive flowmeter for determining the flow rate and the direction of flow in a well A passive flowmeter for determining the flow rate and the direction of flow of a fluid in a well comprises a magnetic generator (29) suitable for being rotated about an axis (RR) and including at least one north pole (N) and at least one south pole (S) ly... | 06/08/1993 |
| 4852401 | Well fluid flow velocity measuring apparatus including a spinner cartridge assembly A fluid flow velocity measuring device is shown. In the preferred and illustrated embodiment, an elongate body receives a removable spinner cartridge assembly. The assembly is formed of an elongate sleeve surrounding a rotating shaft supported by bearing ... | 08/01/1989 |
| 4827765 | Motor driven spinner flow meter The present disclosure is directed to a motor driven magnetically clutch connected turbine on a sonde adapted to be lowered in a well borehole for measuring fluid flow velocity in the well. The turbine is sourounded by a perforated cage or housing which p... | 05/09/1989 |
| 4754642 | High temperature fluid flow speed detection apparatus A speed detection apparatus intended to be placed in a borehole containing high temperature flowing fluid consists of an elongated casing with a rotary shaft having a helical rotary blade in the casing. Secured to the rotary shaft is a sensor control roto... | 07/05/1988 |
| 4566317 | Borehole flow meter Borehole fluid flow measuring apparatus is disclosed having a body member sized for passage through a wellbore. In a first embodiment of the invention, a thin metallic cross shaped disk is rotatably mounted in the body. Two solenoid coils are mounted in t... | 01/28/1986 |
| 4441361 | Method and apparatus for measurement of fluid density and flow rates in multi-phase flow regimes In a well containing a multi-phase fluid flow regime is disposed an elongated body member with a funnel configuration attached thereto for the purpose of collecting and mixing the multiple fluid phases. An aperture is provided in the body member, proximat... | 04/10/1984 |
| 4345480 | Rotary flow meter An impeller is rotatably mounted in a housing on the lower end of a sub which is lowered by means of a wire line into a bore hole. The fluid flow in either direction within the bore hole engages and rotates helical vanes of the impeller, which in turn rot... | 08/24/1982 |
| 3982433 | Spinner tool for boreholes A spinner tool comprises an elongate, cylindrical housing including a portion having elongate, axially extending, angularly disposed slots formed therethrough at circumferentially spaced points. An impeller is mounted within the housing and comprises circ... | 09/28/1976 |
