Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8128445 | Cold weather survival apparatus Apparatus for cold weather survival comprises an elongated belt body comprising a piece of buoyancy-providing material. The belt body is sized such that end portions thereof overlap when the belt body is wrapped around a user's waist. The belt body has an inner side... | 03/06/2012 |
| 7918701 | Buoyancy and rescue device There is described herein an apparatus for providing buoyancy and/or facilitating rescue of a person or object. The apparatus includes a tubular sleeve for securing the apparatus around at least a portion of a person or an object wherein longitudinal extension of th... | 04/05/2011 |
| 7559816 | Flotation device A flotation device including an elongated body portion with a substantially rectangular shape capable of fitting around a user's midsection. This elongated body portion is made of buoyant material and has an exterior shell made of substantially semi-elastic material... | 07/14/2009 |
| 7465206 | Life saving apparatus The invention provides a life saving apparatus which allows a wearer to readily assume a rearwardly inclined floating posture on the water surface under an inflated condition of a float body. The life saving apparatus includes a float body 2 configured to sur... | 12/16/2008 |
| 7335078 | Tactical flotation support system The flotation device includes an inflatable bladder, inflation means, activation means for the inflation means and is self-contained. Preferably, a plurality of flotation bladders which are inflatable by the user, a third party or automatically are used. A closure s... | 02/26/2008 |
| 7293311 | Method of making a multilayered mattress component A method of making a mattress component includes providing a first layer of a first material. Mating patterns are shaped in a surface of the first layer in areas corresponding to a position where hips and shoulders of the user will rest on a mattress. The mating pat... | 11/13/2007 |
| 7267509 | Floatation device A wrist mounted inflatable floatation device to provide temporary floatation support for a swimmer, boater, wader, or other person who is in the water. A wrist mounted floatation device is conveniently worn when someone is in the water or on a boat. It is attached t... | 09/11/2007 |
| 7201626 | Floatation device and associated methods A floatation device is to be worn by a user and includes a front portion, a pair of opposing side portions connected to the front portion, and a pair of rear portions connected to the respective pair of opposing side portions. Each one of the pair of rear portions i... | 04/10/2007 |
| 7160167 | Animal safety apparatus Apparatus useful for providing buoyancy for animals are described. One apparatus includes a strap-like carrier and one or more non-inflatable floatation members secured substantially adjacent the carrier by a cover material stitched to the carrier. Another apparatus... | 01/09/2007 |
| 7104729 | Buoyancy compensator jacket for scuba divers with improved weight pockets A buoyancy compensator jacket for a scuba diver is disclosed. The jacket comprises a back portion having two opposite sides. Side portions extending from the opposite sides are provided for laterally enveloping the diver's trunk and for connecting to one another gen... | 09/12/2006 |
| 7062790 | Diving vest A new buoyancy compensator with a unique bladder design is provided. The new buoyancy compensator has a unique air bladder system that are positioned directly below the integrated weight system when considering a plane parallel to the length of a diver. The new buoy... | 06/20/2006 |
| 7059924 | Personal flotation device A personal flotation device that may be worn alone, as well as fitted into a separate garment, such as a jacket or vest. The personal flotation device may include a wearable inflatable bladder that is selectively adjustable into a retaining configuration that fits t... | 06/13/2006 |
| 7052211 | Buoyancy compensating device protective cover A flexible protective cover is configured to be removably attached to the external outward-facing surfaces of a personal buoyancy compensating device (BCD). The BCD cover is preferably formed of a single layer of water resistant coated fabric or similar flexible and... | 05/30/2006 |
| 7033237 | Inflatable safety apparatus There is provided an inflatable safety apparatus (10, 10′) which is manually or automatically operated having a compressed gas bottle (17, 20) with an operation rod (25, 54) in combination with an inflatable element (15, 18) which is in... | 04/25/2006 |
| 7028341 | Article of clothing with buoyant material An article of clothing such as a vest incorporating buoyant material is configured to reduce pocket bulging when carried items that are placed in pockets and to allow the wearer to move freely. The article of clothing includes a main clothing unit having one or more... | 04/18/2006 |
| 7014520 | Internal body encircling belt for personal floatation devices The present invention comprises a system for a buoyant material, a cover, and a belt arranged between the cover and the buoyant material. The belt is stitched to the cover at at least one location. In accordance with further aspects of the invention, the belt is sti... | 03/21/2006 |
| 6910224 | Article of clothing with buoyant material An article of clothing such as a vest incorporating buoyant material is configured to reduce pocket bulging when carried items that are placed in pockets and to allow the wearer to move freely. The article of clothing includes a main clothing unit having one or more... | 06/28/2005 |
| 6755708 | Flotation device A flotation device for use with objects includes a bladder forming part of an inflatable assembly having an inflatable volume defined by a first wall and a second wall sealed about a periphery. A water actuated inflation valve is in fluid communication with the infl... | 06/29/2004 |
| 6722819 | Device for operating inflation and deflation valves of an air chamber of a scuba diver's balancing jacket A device is provided for operating inflation and deflation valves of an air chamber of a scuba diver's balancing jacket. The device comprises inflation and deflation valves and a push-button for operating the valves that can be controlled by the diver. The device al... | 04/20/2004 |
| 6712658 | Floatation garment The floatation garment, in particular a lifejacket or an immersion suit, comprises at least one elastic layer (1) shaped to fit at least around the torso of a wearer and to stretch to an extent between a minimum and a maximum depending on the size of the wear... | 03/30/2004 |
| 6659689 | Garment integrated personal flotation device Airway and equipment protective buoyant, rescue, marking and recovery devices are disclosed. A garment mounted dual zipper cover releases a bladder that creates a reliable mandibular shelf and bracket while simultaneously encapsulating the crico-thyroid c... | 12/09/2003 |
| 6554668 | Life jacket A life jacket in including impact absorption materials on both sides of a hard protection material in which a high-impact fiber cloth is incorporated buoyant material on at least one impact absorption material provides buoyancy. The jacket includes front ... | 04/29/2003 |
| 6554669 | Inflatable flotation device An elongated inflatable tubular device bendable about spaced apart folds in multiple directions about the longitudinal axis. Spaced apart bendable folds are formed across the tubular member by attaching only the central areas of opposite portions of the s... | 04/29/2003 |
| 6478510 | Dive vest A dive vest that includes a torso-engaging member with a waistband, an air bladder contained throughout the torso-engaging member, beaded weight pads quickly releasable from the waistband, a scuba tank carrier plate attached to the torso-engaging member, ... | 11/12/2002 |
| 6475047 | Rescue device An improved rescue device includes a floatation material, a flexible mesh disposed about the floatation material wherein the flexible mesh is in contact with an outer surface of the floatation material, and a bonding material covering the flexible mesh an... | 11/05/2002 |
| 6394866 | 1-step safety belt inflatable into a life vest A flotation device of the invention--of cell shape, substantially flat and of little bulk when deflated--is able to be filled with a compressed gas from a cartridge coupled with it so as to unfold and expand outwardly under action of the compressed gas wh... | 05/28/2002 |
| 6354295 | Supplied air snorkeling device A supplied air snorkeling device is provided. This device includes a flotation vest coupled with a tank holder. This flotation vest contains flotation material that cannot be deflated and substantially prohibits a user from submerging. A tank cover is pos... | 03/12/2002 |
| 6293840 | Inflatable chamber for hydrostatic balancing jackets Inflatable chamber for hydrostatic balancing jackets, comprising two flat walls made of flexible material placed one opposite the other, connected by means of a folding wall, said wall consisting of at least two strips, each of them having its outer perip... | 09/25/2001 |
| 6244784 | Buoyancy compensator and method of constructing the same A method and construction for a buoyancy compensator air chamber bellows utilizing a single side coated fabric having air passages for gas communication between the air chambers formed by annular disks which are welded together around and through the air ... | 06/12/2001 |
| 6179677 | Water sport belt A water sport belt that includes an inflatable bladder that is be secured around the waist of a user to provide a flotation mechanism in an emergency. The inflatable bladder has a number of accordion fold sections that are inflated with an initial amount ... | 01/30/2001 |
| 6106348 | Inflatable personal flotation device A personal floatation device (PFD) comprising an inflatable bladder which is attached to the wearer by a waist belt and anchor straps joined to a second belt attached directly to the bladder. Both a gas cartridge device and a oral device are provided for ... | 08/22/2000 |
| 6071161 | Aquatic exercise device with buoyant elements An aquatic exercise device includes at least two specially shaped buoyant elements to be worn around the midsection of a human. The buoyant elements are affixed to a band or belt for surrounding the mid portion of the human and for securing at least two b... | 06/06/2000 |
| 6056613 | Multi-purpose floatation device for recreation, exercise, instruction and rehabilitation purposes A recently popular form of exercise and therapy, aquatic exercising devices present unique operating conditions to the body because of their use of water resistance and their buoyancy. By making proper use of water resistance, such devices can provide the... | 05/02/2000 |
| 6036562 | 2-step swimmer's safety belt inflatable into a life preserver and a life vest A first belt of the invention--substantially hollow and worn about the waist--is able to be filled with a compressed gas from a cartridge coupled with it so as to unfold and expand outwardly under action of the compressed gas which fills it. A second belt... | 03/14/2000 |
| 5954556 | Emergency flotation device An inflatable life saving belt comprising a gas source linked to a reusable inflatable bag at multiple locations on the belt. The bags are attached to the gas source in a manner such that should one of the bags fail to deploy, the other bags can be activa... | 09/21/1999 |
| 5954557 | Life vest with an internally located back support The life vest of the present invention is specifically adapted to protect a user's back. This protection is achieved by way of a rigid back support which is interconnected to the internal surface of the life vest. This interconnection is achieved by way o... | 09/21/1999 |
| 5951348 | Life preserver for an infant or young child The life preserver for an infant or young child includes a pair a vertically stacked, peripherally disposed, inflatable tubes. A life vest is sized to enclose the torso of the infant or young child. The life vest is attached at a plurality of locations to... | 09/14/1999 |
| 5921898 | Water exercise method An exercise device for use in water is made of a material adapted for floating and has sufficient buoyancy to support a user positioned in a body of water. Two opposed end portions are connected by a narrowed central portion that is dimensioned to fit bet... | 07/13/1999 |
| 5879213 | Inflatable life saving garment An inflatable garment is provided including a hollow belt. Also included is a pair of hollow shoulder straps with bottom terminal ends of the shoulder straps integrally coupled to the belt in communication therewith. Also included is an inflation assembly... | 03/09/1999 |
| 5855454 | Water safety and survival system A counterweight assembly is provided to enhance heads up surface positioning of a person. The assembly includes a weight/ballast member strategically disposed on a cylinder/tank worn by a diver during a dive. The weight member can be attached by several d... | 01/05/1999 |
