A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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 |
| 8172233 | Seal with integrated shroud for androgenous docking and berthing in contaminated environments The present invention is directed to a specially configured seal system which provides a barrier to gas leakage flow between a pressurized module and its external environment. The seal includes a shroud covering which protects the sealing interface from its environm... | 05/08/2012 |
| 7147230 | Sealing device and sleeve and holding element for such The sealing device is for drum filters or filter presses to form a seal between the rotary drum end faces and the end faces of the trough in which the rotary drums are situated. A sealing element (3) is disposed in a groove (1) on the rotary drum end f... | 12/12/2006 |
| 7090219 | Sealing device Sealing device for sealing at least one zone of underpressure or overpressure adjoining a moving surface that includes at least one sealing element, positionable opposite the moving surface to form a front and a rear, with respect to a surface running direction. The... | 08/15/2006 |
| 7000556 | Sealing device and method for sealing between a chain and a chain pipe A sealing device (1) and method for sealing between a chain (2) and a chain pipe (3), said chain for example being an anchor chain on a marine offshore platform or on a ship, and said chain pipe (3) leading for example to a chain locker f... | 02/21/2006 |
| 6942224 | Inflatable seal An inflatable seal member for providing a fluid-tight seal. The inflatable seal member is particularly well suited to sealing a processing chamber having pressurized fluids therein. Outward forces (exerted by air pressure) to the inner surfaces of the seal member co... | 09/13/2005 |
| 6886834 | Shaft sealing assembly A shaft sealing assembly seals a rotary shaft of a refrigerant compressor with a first sealing member, which is a lip seal. The first sealing member has a hollow portion. As the pressure in the interior space of the compressor housing increases, an outer wall surrou... | 05/03/2005 |
| 6854736 | Seal assembly for a rotary machine A seal assembly and a rotary machine in combination with the seal assembly are provided. The seal assembly includes a seal and a biasing device configured to produce a force for mechanically biasing the seal toward a first position relative to the rotatable portion.... | 02/15/2005 |
| 6840519 | Actuating mechanism for a turbine and method of retrofitting One embodiment of the present invention comprises an actuating mechanism for a turbine comprising a compliant member (meaning at least one compliant member) comprising a series of serpentine folds forming a plurality of fold sections and a central cavity (meaning at... | 01/11/2005 |
| 6658987 | Sealing device for a piston which is subjected to the action of a pressure medium and which is arranged in a working cylinder A sealing device for a piston that is subjected to the action of a pressure medium and that is arranged in a working cylinder, whereby a piston rod guide is arranged in or on the working cylinder and the rod guide has annular recesses. In addition, elasti... | 12/09/2003 |
| 6395137 | Seal construction for a suction box in a suction roll in a paper/board machine The invention concerns a seal construction for a suction roll in a paper machine. The seal construction (10) comprises a substantially U-section holder (12) open towards the inner face (3) of the roll mantle, a seal which is mounted in the holder, which i... | 05/28/2002 |
| 6302399 | Sealing device and process for sealing a moving surface with the sealing device Sealing device for laterally sealing of at least one overpressure zone and vacuum zone in a paper machine and process for sealing a moving surface with the sealing device. The sealing device includes a moving surface adjacent to the at least one overpress... | 10/16/2001 |
| 6254732 | Method for loading a seal of a suction roll and a sealing construction thereof A sealing construction for loading a seal against a suction roll in a paper machine includes a seal having a wear surface, side surfaces and a lower surface. The seal is fitted from its holder to the structure of a suction box which is inside the suction ... | 07/03/2001 |
| 5975532 | Seal construction for a suction roll in a paper machine A seal construction for a suction roll in a paper machine including a substantially U-section holder open toward an inner face of the roll mantle and a seal mounted in the holder and extending in the axial direction of the roll. The seal includes a frame ... | 11/02/1999 |
| 5906435 | Particulate drum mixer with scoop section and seal assembly with bladder A rotary drum mixer mixes product matter in a particulate form. A scoop section for the mixer has scoop blades which are radially enclosed by a peripheral wall which rotates with the drum. A stationary hood includes an outer face portion which covers the ... | 05/25/1999 |
| 5580424 | Apparatus and method for sealing a suction box of a suction roll in a paper machine A sealing construction for a suction box of a suction roll in a paper machine and a method for sealing a suction roll in which a seal is arranged in a holder and loading members, preferably at least one loading hose, are arranged between the holder and th... | 12/03/1996 |
| 5511795 | Combined segmented and pneumatic seal for drum-type furnaces A sealing medium seal for sealing the rotary drum of a drum-shaped furnace against the stationary charging device and the downstream, stationary discharge chamber, in order to prevent infiltrated air from being drawn into the process space and toxic flue ... | 04/30/1996 |
| 5476268 | Seal assembly with a hard seal layer actuated through a silicone layer A seal assembly includes a body portion of an element to be sealed, a groove formed into the surface of the body portion, a seal member of a relatively hard material for sealing a gap formed between the surface of the body portion and another element to b... | 12/19/1995 |
| 5470083 | Seal assembly with a hard seal layer actuated through a silicone layer A seal assembly includes a body portion of an element to be sealed, a groove formed into the surface of the body portion, a seal member of a relatively hard material for sealing a gap formed between the surface of the body portion and another element to b... | 11/28/1995 |
| 5425543 | Seal assembly for rotating shaft A seal assembly for use in precluding leakage of hot combustion products along the shaft of a rotating heat exchanger wheel utilized in a power plant. The seal assembly includes a housing positioned in surrounding relation to the shaft and defining an ann... | 06/20/1995 |
| 5361940 | Pump evacuation system for bulk containers of high viscosity fluids A ram assembly is designed for evacuating "bag-in-a-box" square bulk containers of viscous materials. The ram cylinder is centered over the bulk container and mounted so as to float relative to the frame allowing accomodation of various containers. An inf... | 11/08/1994 |
| 5341726 | Piston for tank An elongate tank for transport or for storage in bulk of semisolid and fluid materials, such as grease and oil. The tank has an outlet at one end thereof for discharging material contained therein, and has a generally cylindric interior surface. A general... | 08/30/1994 |
| 5251912 | Radially energized seal This invention relates to an adjustable packing for sealing a gap between two surfaces. The packing includes a packing member for sealing the gap, the sealing pressure thereof being adjusted by means of the elastomer, preferably two-component silicone, se... | 10/12/1993 |
| 5248254 | Furnace for the heat treatment of individual parts A furnace for the heat treatment of individual parts, in particular metal sheeting, which has a transport apparatus for conveying the parts to be treated through the furnace. This transport apparatus has two groups of longitudinal beams for supporting the... | 09/28/1993 |
| 5114054 | Tank piston with teflon sheathed packing member An elongate cylindric tank for transport or for storage in bulk of semisolid and fluid materials, such as grease and oil with an outlet at one end thereof and a generally cylindric piston sized to slide therein and be moved in a direction toward the outle... | 05/19/1992 |
| 5076108 | Probe insertion apparatus with inflatable seal A sealing apparatus for inserting a probe into a pressure vessel having an elongated opening includes a pair of resiliently deformable seals opposingly disposed in sealing engagement with each other. A retainer is connected to the pressure vessel around t... | 12/31/1991 |
| 5014917 | High-temperature, flexible, thermal barrier seal This device seals the sliding interfaces between structural panels that are roughly perpendicular to each other or whose edges are butted against one another. The seal is mounted in a rectangular groove in a movable structural panel and comprises a plural... | 05/14/1991 |
| 4844481 | Cylindrical seal system A cylindrical seal assembly adapted for sliding or rotary movement within a cylindrical chamber comprises first and second body elements having substantially cylindrical shapes. The body elements are secured together with their respective cylindrical side... | 07/04/1989 |
| 4736824 | Pneumatic spring A spring-damping device operating with a pressurized gas in which sudden movements caused by a severe drop in pressure are avoided or limited. A variable volume chamber, which is usually in a state where it permits relative movement of a rod in relation t... | 04/12/1988 |
| 4718820 | Pumping apparatus A fluid pump apparatus having on its first end a motor for power driving an elongated shaft, the shaft portion housed in a pump housing, with an impeller on the second end for routing fluid from an inlet to an outlet port. Toward its first end, the shaft ... | 01/12/1988 |
| 4679800 | Hawser chain seal assembly A hawser chain assembly and method for installation of its sealing element is disclosed. The assembly includes a housing adapted for connection in series with a hawser pipe of a marine vessel such as a semi-submersible drilling rig. The housing may be mov... | 07/14/1987 |
| 4632403 | Stern tube seal device providing a seal about a rotatable shaft A stern tube seal device providing a seal about a rotatable shaft includes an annular case member arranged about the outer periphery of a shaft, a gap between the annular case member and the shaft sealed by a plurality of lip seals, a floating ring seal o... | 12/30/1986 |
| 4632722 | Arrangement for applying a surface pressure upon movable workpieces An arrangement for applying a surface pressure upon movable workpieces, has a rotatable pressing band with a working run applying a pressure against the workpiece, a pressure chamber formed by a part of the working run, a pressing plate, and a sealing mem... | 12/30/1986 |
| 4534569 | Stern tube seal device providing a seal about a rotatable shaft A stern tube seal device providing a seal about a rotatable shaft includes an annular case member arranged about the outer periphery of a shaft, a gap between the annular case member and the shaft is sealed by a plurality of lip seals, a floating ring sea... | 08/13/1985 |
| 4482159 | Stern tube seal device A stern tube seal device wherein an annular case member is arranged in the outer periphery of a shaft, a mechanical seal is arranged in a gap therebetween and at a position at the side of the ship, a limited leaking type seal is arranged at a position at ... | 11/13/1984 |
| 4448425 | Shaft seal assembly with inflatable annular member An annular seal assembly disposed between a shaft surface and a surrounding ousing, for example, a seal assembly for an aft-stern tube seal of a sea-going vessel, comprises a nonrotating annular seal element having a circumferentially segmented constructio... | 05/15/1984 |
| 4401306 | Floating roof tank seal A seal arrangement is provided in a floating roof type tank for slidably sealing between the roof and the tank walls. The seal comprises an expansible tube carrying a lip with the latter extending angularly with respect to the tank walls so that upon infl... | 08/30/1983 |
| 4394021 | Contact sealing A contact sealing for adaptive abutment to a rotating sealing surface is provided with an annular groove, in which a pressurized hose is located which abuts a sealing member and presses the same against the sealing surface.... | 07/19/1983 |
| 4342336 | Double-acting inflatable seal An improved inflatable seal apparatus (10) is disclosed which includes an annular or closed loop seal element (30, 64) captured during use within an annular supporting channel (20, 54) having a somewhat T-shaped cross-section which is narrowest at its inn... | 08/03/1982 |
| 4341093 | Device for leading cooling liquid out of rotary electric machine with liquid cooled rotor A device for conducting cooling liquid out of a liquid cooled rotor type rotary electric machine in which a sealing means is provided for preventing the leakage of cooling liquid from an outlet chamber adapted to receive the cooling liquid discharged from... | 07/27/1982 |
| 4268331 | Method for making a fluid filled ring A fluid filled ring for a shaft sealing apparatus in a machine casing or container wall through which a rotatable shaft passes. The sealing apparatus comprises a housing fixed about its exterior surface to the machine casing. The housing defines an interi... | 05/19/1981 |