Bizarre Patents
A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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 |
| 7870832 | Pressure indicating device A pressure indicating device includes a case including a gas passage, and a movable indicator carried by the case. The indicator has an end in fluid communication with the gas passage and an indicator end projectable out of a portion of the case when pressure in the... | 01/18/2011 |
| 7343871 | Device for surveying the pressure of fluids housed in tanks or flowing through ducts An apparatus for surveying the pressure of fluids housed in tanks or flowing through ducts comprises a device (100), an envelope (1) with axial symmetry which forms the external covering of the device (100), said envelope (1) being kept i... | 03/18/2008 |
| 7144365 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and method of using same. One embodiment of the extracardiac system comprises a pump ... | 12/05/2006 |
| 7125376 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment of the intravascular extracardiac system co... | 10/24/2006 |
| 7111580 | Device for detecting the presence of a chemical contaminant The disclosure relates to a device for detecting the presence of a chemical contaminant. The device comprising a resilient indicator element which is biased into a first position and is anchored in the first position by means of a failure element. The failure elemen... | 09/26/2006 |
| 7013833 | Valve stem pressure poppet A valve stem pressure poppet incorporated into a tire valve cap for monitoring tire air pressure. The indicator assembly is screw attached by a connector onto an existing valve stem. The assembly includes a hollow outer tube for housing a slideably disposed indicato... | 03/21/2006 |
| 6984252 | Method of and apparatus for collecting dust, development apparatus, and image formation apparatus A dust collection apparatus includes a container and a suction pump that sucks dust and transports it into the container. A filter is provided on a side surface of the container. This filter passes air but prevents passage of the dust in the container. A pressure de... | 01/10/2006 |
| 6659037 | Method and apparatus for the evaluation of vacuum insulation panels A vacuum insulation panel comprises a barrier film and a core material and a vacuum detection indicator. The vacuum detection indicator is configured to facilitate the evaluation of the integrity of the vacuum within the vacuum insulation panel. The vacuu... | 12/09/2003 |
| 6651834 | Bottle stopper with pressure indicator A stopper for a bottle includes a resilient outer body having an axial bore, a rigid inner body disposed within the bore, and a valve actuator moveably disposed within an axial opening of the inner body. A lower flange portion of the outer body extends ra... | 11/25/2003 |
| 6625394 | Two-shot molded seal integrity indicator, underwater camera, and method A pressure indicator of an underwater camera housing has an indicator support surrounding an opening. An elastomer facing is united with the indicator support. The facing has a free region overlaying the opening. The free region has an inner surface and a... | 09/23/2003 |
| 6470821 | Method and apparatus for the evaluation of vacuum insulation panels A vacuum insulation panel comprises a barrier film and a core material and a vacuum detection indicator. The vacuum detection indicator is configured to facilitate the evaluation of the integrity of the vacuum within the vacuum insulation panel. The vacuu... | 10/29/2002 |
| 6289726 | Fuel filter gauge A fuel filter restriction indicating device communicating with the supply of fuel passing from a fuel tank to an internal combustion engine. The indicating device senses a decrease in the supply of fuel drawn through the fuel filter by the engine based up... | 09/18/2001 |
| 6182692 | Valve assembly for an apparatus under pressure A valve assembly for an apparatus under pressure, includes a valve casing with a connecting pipe having formed therein a fluid passageway. A valve body is received in the valve casing and movable against a valve seat for sealing the fluid passageway and t... | 02/06/2001 |
| 6093229 | Drive checking system for fan filter units in clean room A fan drive checking system, for an air conditioning system in a clean room having a fan filter unit (FFU), includes a flow sensor for sensing air flow inside a housing of a FFU. The sensor provides a sensor signal indicative of normal and adverse flow co... | 07/25/2000 |
| 5852986 | Automatic inflator with status indicators A CO2 cartridge is permanently attached to a cartridge status indicator so that a user need not perform a detailed inspection to determine if the cartridge has been used or not. If the cartridge has been used, the status indicator will so indic... | 12/29/1998 |
| 5836302 | Breath monitor with audible signal correlated to incremental pressure change An audible waveform system is provided that senses a parameter relating to the ventilation of a patient. The system produces short bursts of sound of a predetermined frequency as the changes occur in that parameter based on certain increments of change. T... | 11/17/1998 |
| 5795065 | Temperature-time-pressure detector A temperature-time-pressure detecting device for a closed heat treatment zone consists of a sealed discoidal-shaped capsule of substantially transparent material adapted for placement within the zone in a generally vertical position. The capsule is formed... | 08/18/1998 |
| 5685256 | Set pressure sensing and verifying device A device for detecting soil compaction density comprising at least one shell material forming an enclosure, a failure plane disposed within the shell material which causes the shell material to fail at a preset static or dynamic pressure, and a detector, ... | 11/11/1997 |
| 5564584 | Vent cap for discharging nearly empty propane cylinders The invention provides a vent cap for automatically discharging a gas container such as a propane cylinder. The vent cap includes threads for securing the vent cap to the neck of the gas container. The vent cap further includes an indicator which has a pi... | 10/15/1996 |
| 5404746 | Post depressurization indicator A post depressurization device (30) for providing an indication of the pressure that existed within a fluid filled pressure vessel (22) just prior to depressurization of the pressure vessel, having a housing (102) and a piston (130) for temporality sealin... | 04/11/1995 |
| 5339764 | Device for optically indicating the pressure of a medium A device for optically displaying the pressure of a medium comprises a housing, a piston within the housing which is movable along a longitudinal axis against a restoring force, and an optically transparent element within the housing having a display surf... | 08/23/1994 |
| 5323731 | Water filter gauge for coffee brewer A filter gauge comprising a piston operable in a pressurized cylinder, the piston having a rod which projects from the cylinder, and grippers mounted within the cylinder and accommodating movement of the piston and rod having indicia indicating the lowest... | 06/28/1994 |
| 5271278 | Champagne pressure gauge A champagne pressure gauge provides a small tube attached to the inside surface of a bidule inserted into a champagne bottle, such that as the pressure from fermentation increases, liquid is forced up the tube. The liquid level in the tube can be observed... | 12/21/1993 |
| 5174964 | Gas testing apparatus A gas testing apparatus of the type that directs a stream of gas to be tested through a tube containing reagent chemicals. The apparatus has a connector fitting to enable it to be connected to a closed system containing the gas to be tested, a base member... | 12/29/1992 |
| 5155471 | Low pressure burst disk sensor with weakened conductive strips An ultra low pressure flow sensor consisting of a support gasket defining a flow way and having a thin, pliable membrane extending thereacross with right angle slits formed totally across the flow way portion. An electrical conductor strip is then bonded ... | 10/13/1992 |
| 5078078 | Transformer internal fault warning indicator A warning indicator provides an indication that a transient over-pressure condition has occurred in a transformer. The indicator takes into account small or slow pressure changes and only indicates pressure surges. The internal arcing warning indicator co... | 01/07/1992 |
| 5014786 | Pressure checker A pressure checker for a fluid pressure source, including a main unit which includes/comprises a hollow portion which can communicate with a fluid pressure source, a cap with a window fitted on the main unit, a spool contained in the hollow portion of the... | 05/14/1991 |
| 4978947 | Rupturable fluid flow indicator A rupturable fluid flow indicator and a rupture disk assembly including the indicator are provided. The indicator is comprised of a rupturable member adapted to be clamped across a fluid flow passageway having at least one opening formed therein for weake... | 12/18/1990 |
| 4969492 | Method and apparatus for filling inflatable bladders The method for filling a soft, flexible, thin-walled inflatable bladder with a fluid medium to a predetermined extent that comprises; folding a portion of the soft, flexible, thin-wall of the bladder and engaging the fold in predetermined pressure engagem... | 11/13/1990 |
| 4951697 | Rupture disk failure indicating apparatus The present invention provides apparatus for visually indicating the failure of a rupture disc comprised of an elongated hollow body member, a piston disposed in the body member which is moved therein by pressurized fluid pressure exerted thereon, and an ... | 08/28/1990 |
| 4899684 | Pressure indicating bottle stopper The invention relates to the inspection of pressure attained in bottles with beverages, especially sparkling wines, by providing a pressure indicator and a deformation member in the carrier stopper body. In the body is provided a movable pressure indicato... | 02/13/1990 |
| 4875509 | Air pump pressure control system for inflating pairs of automotive tires An air pressure control system for verifying and adjusting air pressure, simultaneously, in a pair of vehicle tires, either the pair of front tires or the pair of rear tires or any individual tire. The system comprises a pair of air conduits having tire v... | 10/24/1989 |
| 4869197 | Bulge indicating method and device A method and device for indicating the swelling of a casing or the like having a wall with at least one generally planar portion prone to deformation by pressure buildup within the casing. The device comprises an elongate strip of visible frangible materi... | 09/26/1989 |
| 4831957 | First trip indicator for sensing devices of production control and safety systems Three concentric hollow cylinders, with radii for slidably loose interfitting, are coaxially assembled against separation and partially sealed by a combination slotted seal and detent, for telescoping outwardly when actuated by exhaust pressure from a sen... | 05/23/1989 |
| 4785670 | Compact pressure gauge A compact pressure gauge includes a cylinder which has a compressed gas inlet, a piston, a U-shaped piston rod, and a compression spring. The compression spring is sleeved on the piston rod in the cylinder for biasing the piston against the compressed gas... | 11/22/1988 |
| 4722451 | Synthetic polymeric resin vacuum container with indicator Vacuum containers of synthetic polymeric resins include a wall portion deformable under vacuum containing conditions, to give a visual indication of the vacuum integrity. The containers by virtue of the deformable portion resist paneling.... | 02/02/1988 |
| 4654643 | Pressure sensor-monitor and excessive pressure level indicator By providing a pressure responsive actuator in controlled actuating engagement with a latch mechanism in which a spring-loaded indicator is securely retained, with said indicator being movable from a non-visible, retained position to a visible, released p... | 03/31/1987 |
| 4619328 | Fire extinguisher valve with pressure indicator A discharge valve assembly for a fire extinguisher container includes a housing defining a passageway providing communication between the container outlet and a nozzle. An elongated tubular valve stem is axially movable in the passageway between open and ... | 10/28/1986 |
| 4601254 | Tire pressure warning device A tire pressure warning device is disclosed which produces an explosive report when the tire pressure falls below a predetermined value. The device includes a connector member which screws onto the valve stem of a tire and admits pressurized air from the ... | 07/22/1986 |
| 4438792 | Pressure relief alert Pressure relief detecting/alert apparatus for detecting the activation of pressure relief devices associated with fluid storage is disclosed comprising a cover adapted to move in response to a release of stored fluid, a tube assembly for containing a cont... | 03/27/1984 |
