Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7335188 | Lumbar puncture fluid collection device A device for collecting spinal fluid during a lumbar puncture or other medical procedure includes: a) an upper, generally cup-shaped portion including an open top, an upper cup side wall, an upper cup base plate at a lower end of the upper cup side wall, and a drain... | 02/26/2008 |
| 7331949 | Urinary catheter with check valve The present invention provides a novel construction for a catheter that includes backflow prevention in the form of a check valve, which keeps the flow of drained fluid material from reentering the patient. The catheter construction of the present invention provides... | 02/19/2008 |
| 7322233 | Level meter with a waveguide and a wave adapter The invention relates to a level meter with a waveguide for guiding an electromagnetic wave, such that the waveguide is designed as a hollow conductor and has a forward terminal section; with a wave adapter of a dielectrical material, such that the wave adapter has ... | 01/29/2008 |
| 7244236 | Specimen trap with strainer A specimen trap including a container forming a chamber. A strainer is fixedly positioned within the chamber and defines an upper portion of the chamber and a lower portion of the chamber. The strainer has a porous surface that provides fluidic communication between... | 07/17/2007 |
| 7143646 | Sensor The invention relates to a sensor, with a sensor housing (8) whose through-hole is intended for a connecting cable (1) that is attached to the sensor (11, 12), such that the connecting cable (1) is surrounded by a pressure spring element ... | 12/05/2006 |
| 6829931 | Volumetric liquid metering device A volumetric liquid metering device has a meter chamber for receiving up to a predetermined volume of liquid, an inlet conduit for directing liquid into the meter chamber, a volumetric meter to indicate when the predetermined volume has entered, and a discharge cond... | 12/14/2004 |
| 6619117 | Level measuring instrument Provision is made for a level measuring instrument for measuring a level of a filled material (1) in a container (3), in the case of which electromagnetic signals (S) generated by means of an electronic circuit (5) are guided into the container (3) via a ... | 09/16/2003 |
| 6324906 | Double chamber container for metering liquid flow The container includes a first chamber connected to the liquid source through an inlet port of a given cross-sectional area and a second chamber connected to a drain through an outlet port of at least equal size. The chambers are separated by a partition ... | 12/04/2001 |
| 5333497 | Method and apparatus for continuous measurement of liquid flow velocity Method and apparatus for continuous measurement of liquid flow velocity, where there are positioned risers between respective line light sources and where between the risers there is positioned at least one CCD image sensor. The risers are joined together... | 08/02/1994 |
| 5119675 | Liquid drainage system A liquid drainage system is disclosed comprising a combination urine meter element and drainage receptacle, the urine meter element having front and rear walls defining a chamber adapted to receive and measure urine output. The urine meter having an inlet... | 06/09/1992 |
| 5043074 | Device and method for measuring the ultrafiltration in an artificial kidney The invention includes a device for measuring a quantity of liquid extracted from a dialysis liquid circuit, the device having a reservoir means connected to the dialysis liquid circuit for receiving liquid from the dialysis liquid circuit, at least one m... | 08/27/1991 |
| 4896539 | Spray calibration device and method A device for determining a flow rate of liquid discharged from a plurality of discharges comprising a plurality of collectors for the discharged liquid connected by a manifold having a plurality of inlet lines attached to the discharges and a single outle... | 01/30/1990 |
| 4417585 | Liquid monitor A device to digitally meter, monitor and collect liquid, such as urine, from a catheterized patient. As such it is the successor to and improvement upon U.S. Pat. No. 3,769,497. An optional part prevents the migration of bacteria from the monitoring and c... | 11/29/1983 |
| 4305405 | Urine meter bag A urine meter bag for accurately measuring and storing urine passing from a patient including a meter for receiving the urine flow having a large measuring chamber and a smaller calibrated chamber into which the flow initially passes. Upon filling of the ... | 12/15/1981 |
| 4305404 | Urine meter A urine meter comprising, a container having a cavity for collection of urine, and a drainage tube for draining urine from a patient. The meter has a receptacle having a chamber, with the drainage tube defining a port communicating with an upper portion o... | 12/15/1981 |
| 4305403 | Urine receptor A urine receptor comprising, a receptacle having a chamber to receive urine, and a valve assembly attached to a lower portion of the receptacle. The valve assembly is normally closed, and permits passage of urine through the valve assembly when a valve el... | 12/15/1981 |
| 4301813 | Urine meter A urine meter comprising, a container having a cavity for collection of urine, and a receptacle having a chamber to receive urine and being closed to the atmosphere in the receptacle. The meter communicates between an upper portion of the receptacle and a... | 11/24/1981 |
| 4206767 | Urological drainage monitor A drainage monitor including a collector and a control unit. The collector has a lower, storage section made up of elongated parallel vertical chambers, a liquid manifold section above the chambers with a plurality of taps aligned with the chambers, and c... | 06/10/1980 |
| 4181121 | Serial release mechanism and drainage monitor embodying the same A serial release mechanism, and a discharge monitor including the mechanism, which mechanism includes first and subsequent actuators slidable in a frame between working and withdrawn positions, springs urging the subsequent actuators into their working po... | 01/01/1980 |
| 4130273 | Silver recovery improvements An apparatus for and method of recovering silver from liquid solution containing silver, the apparatus comprising an ionic exchange chamber wherein a sludge containing silver is precipitated from the solution, the apparatus further comprising a device to ... | 12/19/1978 |
| 4118150 | Control apparatus responsive to liquid flow Control apparatus is provided responsive to liquid flow which has in the suction line of the pump a float operated magnetically actuated switch in which the float is moved to one position by the presence of liquid attendant on flow and moves to another po... | 10/03/1978 |
| 3973437 | System for metering liquid A measuring cylinder into which liquid is supplied is provided with pressure transmitters for sensing the liquid pressure corresponding to the amount thereof. The pressure transmitters are connected with a pressure transformer to transform the pressure in... | 08/10/1976 |
| 3961529 | Urine metering and collection system A urine metering and collection system is disclosed which includes a relatively stiff integral head member having a volume calibrated chamber with sidewalls continuously converging downwardly towards each other such that each horizontal section of the cha... | 06/08/1976 |
| 3943762 | Rain gauge A rain gauge comprising a counter and a pivoted bi-stable receiver having two compartments and which is adapted to pivot between first and second limit positions. A collector operates to collect the rainwater and directs it into one or the other of the co... | 03/16/1976 |
