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 |
| 7373615 | Method for optimization of logic circuits for routability Routability (or wiring congestion) in a VLSI chip is becoming increasingly important as chip complexity increases. Congestion has a significant impact on performance, yield, and chip area. The present invention targets the optimization of congestion early in technol... | 05/13/2008 |
| 7348053 | Ultra high molecular weight polyethylene ballistic structures Ballistic panels formed by the lamination of highly oriented ultra high molecular weight poly(ethylene) slit films and sheets useful in the fabrication of ballistic containers are described. ... | 03/25/2008 |
| 7315254 | Proximity detector for night vision goggles shut-off A night vision device is disclosed. The device includes a housing that houses an intensifier tube and a proximity sensor mounted on the housing. An ON/OFF switch is operatively coupled to the intensifier tube and to the proximity sensor such that operation of the ON... | 01/01/2008 |
| 7299574 | Advertising medium for helmet or hat A method of advertising comprising providing a sheet of advertising material having a front surface, front surface having advertising information thereon. The method also includes providing a sporting helmet having a head accepting portion and a facemask and connect... | 11/27/2007 |
| 7131227 | Advertising medium for helmet or hat A method of advertising comprising providing a sheet of advertising material having a front surface, front surface having advertising information thereon. The method also includes providing a sporting helmet having a head accepting portion and a facemask and connect... | 11/07/2006 |
| 7107624 | Headmount apparatus for attaching and supporting devices A headmount apparatus for mounting vision enhancement equipment thereon which is comprised of a mounting shell having at least one pad and having at least one mounting surface to which the vision enhancing equipment is mounted, where at least one pad is configured t... | 09/19/2006 |
| 7093302 | Helmet assembly with accessory attachment features A helmet assembly includes dedicated features that are configured to matingly engage with a mating structure attached to a distinct accessory unit. The corresponding mating configurations enable the operable securement of one or more of such distinct accessory units... | 08/22/2006 |
| 7081809 | Electronic pace regulating, timing, and coaching device and system This invention relates to systems to regulate pace. More particularly, this invention relates to providing a user with a regulated pace through the use of an electronic pace regulating, timing, and coaching device. In accordance with the instant invention, a portabl... | 07/25/2006 |
| 7075250 | Three-component protective head gear powered by a rechargeable battery A three-component, protective headgear or helmet is provided with a battery-powered LED head lamp, which may be used by construction workers, search and rescue persons, cyclists, police, fireman, and the like. The battery may be replaceable or rechargeable and has l... | 07/11/2006 |
| 7066179 | Patient interface and headgear connector A connection device for connecting a headgear and a mask and a system for supplying a flow of gas to a patient that incorporates such a connection device. The connection device allows independent rotation of each of two independently disconnecting headgear connector... | 06/27/2006 |
| 7044131 | Disposable face mask A disposable face mask includes a mask body covering substantially a nose and mouth of a wearer, and a connecting means included with the mask body. The connecting means includes a pair of ties, an elastic cord, and/or an extension having lateral panels which have a... | 05/16/2006 |
| 7028344 | Systems and methods for providing a headgear cooling liner Systems and methods for providing an article associated with headgear that keeps the wearer's head both cool and cushioned from the interior harness of the headgear. The article is a system, liner or pad that is inserted into the headgear or coupled to the headgear ... | 04/18/2006 |
| 7003801 | Helmet cover and shroud set for firefighter or emergency worker In a set of protective gear for a firefighter or for an emergency worker, a helmet is covered by an aluminized cover, which is joined to an aluminized shroud along an uninterrupted juncture, so as to eliminate any gap between the shroud and the cover, where the cove... | 02/28/2006 |
| 7003812 | Chinstrap for protective garment having collar and protective garment having chinstrap and having collar A protective garment having a collar has a chinstrap attached to the collar via an elongate member having two opposite ends, each of which is attached to the collar and one of which is attached detachably to the collar via a hook-and-loop fastener. The chinstrap is ... | 02/28/2006 |
| 6978480 | Protective garment, as for firefighter, with different front and back properties A protective garment, such as a coat, trousers, overalls, or coveralls, for a firefighter or an emergency worker, has a front portion and a back portion. The back portion is breathable to allow air to pass through the back portion, whereas substantially the entire f... | 12/27/2005 |
| 6969548 | Impact absorbing composite An impact absorbing composite structure (10), the impact absorbing composite structure including a plurality of impact absorbing members (18) and a flexible layer (16), each impact absorbing member (18) integral with the flexible layer ( | 11/29/2005 |
| 6969478 | Fiberglass composite firefighting helmet and method for making a fiberglass composite firefighting helmet A method for fabricating a protective helmet includes the steps of: (a) providing a fiber-based filler, such as a fiberglass sheeting; (b) mixing course ceramic particles into a thermoset resin; (c) impregnating the resin/ceramic particle mixture into the fiber-base... | 11/29/2005 |
| 6941952 | Athletic mouthpiece capable of sensing linear and rotational forces and protective headgear for use with the same A mouthpiece assembly for use in detecting impact forces on the neck and head of a user is disclosed. The mouthpiece assembly includes sensors which determine linear and rotational impact forces on the user. The mouthpiece assembly includes a mouth guard having a ch... | 09/13/2005 |
| 6933839 | Vehicle safety system A vehicle safety system used to enhance the safety of motorists by emitting warning signals from a remote unit. The vehicle safety system incorporates a local unit attached to an associated vehicle that detects the operating conditions of the associated vehicle and ... | 08/23/2005 |
| 6907882 | Ergonomic and adjustable respiratory mask assembly with headgear assembly A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a main body and a side frame member provided on each lateral side of the main body. Each side frame member includes an integrally formed first connector portion. A headgea... | 06/21/2005 |
| 6867154 | Patterned, flame resistant fabrics and method for making same The present disclosure relates to patterned, flame resistant fabrics and methods of making them. Generally speaking, the fabrics comprise a plurality of high tenacity, flame resistant fibers, and a plurality of cellulosic fibers containing a flame retardant compound... | 03/15/2005 |
| 6832393 | Safety visor A safety visor is produced by etching of metal and a grid that defines a large number of light-permeating holes. The safety visor has at least two zones where the holes are of different areas and/or configuration. An upper central zone has greater light transmission... | 12/21/2004 |
| 6775850 | Protective combination comprising face mask, protective garment having hood, and inflatable seal, for firefighter or emergency worker In a protective combination wearable by a firefighter or by an emergency worker, a face mask has a face-conformable gasket defining an outwardly opening trough. Further, a protective garment has a hood, which has a peripheral edge and which defines a tubular hem alo... | 08/17/2004 |
| 6766530 | Face mask, fitment, head harness, and protective hood for firefighter For a firefighter, rescue worker, or chemical worker or another wearer needing head protection, a protective hood, a fitment, a face mask, and a head harness are combined. The protective hood is adapted to cover the wearer's head, except for a frontal region of the ... | 07/27/2004 |
| 6691314 | Face mask, head harness, and protective hood for firefighter For a firefighter, a combination of protective gear comprises a face mask, a head harness, and a protective hood adapted to cover the wearer's head, except for at least a portion of the wearer's face, and to cover an outer perimeter of a window portion of... | 02/17/2004 |
| 6687910 | Smoke simulating shield covering SCBA faceplate A translucent shield (20) is provided for covering a self contained breathing apparatus mask faceplate (22) to simulate smoke. The shield consists of a die cut shape of thermoplastic sheet that duplicates the outline of the self contained breathing appara... | 02/10/2004 |
| 6609913 | Educational youth fireman helmet An educational youth fireman helmet includes a scaled replication of a working fireman's helmet and is provided with a pivoting face visor, a pair of headlights controllable by the wearer, and a selectable voice messaging system providing recorded message... | 08/26/2003 |
| 6564384 | Combined helmet and compass A helmet, such as used by firefighters, includes a compass mounted on the inside of the helmet in a location that will be easily visible to the wearer when necessary but will be positioned so it will not distract the wearer at other times.... | 05/20/2003 |
| 6505191 | Distributed computer database system and method employing hypertext linkage analysis A distributed computer database system includes one or more front end computers, one or more home nodes, one or more index nodes and one or more object nodes interconnected by a network into a search engine for retrieval of hypertext documents. A query fr... | 01/07/2003 |
| 6298249 | Radio apparatus head-protective helmet Radio interface apparatus in combination with a lapel mounted microphone and speaker and a radio and with or without a head-protective helmet, radio interface apparatus in combination with a lapel-mounted radio and with or without a head-protective helmet... | 10/02/2001 |
| 6266828 | Integrated facemask firefighting hood A firefighting hood and facemask combination removably fastened together.... | 07/31/2001 |
| 6260207 | Shroud for wearing with proximity fire fighting protective garments The shroud is made of a radiant-heat reflecting and thermo-insulating fabric material and is shaped to cover the shoulders, upper chest and back of a firefighter, and to be worn with a firefighting proximity garment. The shroud has a lower edge reaching t... | 07/17/2001 |
| 6260212 | Head-protective helmet with geodesic dome A head-protective helmet comprising a geodesic dome. A further feature is the geodesic dome in combination with other elements providing a head-protective helmet.... | 07/17/2001 |
| 6192360 | Methods and apparatus for classifying text and for building a text classifier A text classifier and building the text classifier by determining appropriate parameters for the text classifier.... | 02/20/2001 |
| 6121881 | Protective mask communication devices and systems for use in hazardous environments Protective mask communication systems are provided for use in hazardous environments, e.g., firefighting and hazardous waste clean-up operations. The systems allow wearers of protective masks working in a hazardous area to readily communicate both with ea... | 09/19/2000 |
| 6098197 | Leather firefighter helmet and method for making a leather firefighting helmet A method for fabricating the leather firefighting helmet includes the steps of: (a) providing an outer leather covering, where the covering includes a bowl-shaped head portion attached to a brim portion; (b) providing an inner leather liner, where the lin... | 08/08/2000 |
| 6032297 | Head-protective helmet and assemblies thereof Head-protective helmet including an outer shell, an impact cap, an inner shell, a head band, and mounting members mounting the head band to the inner shell. An assembly including the inner shell head band and mounting members mounting the head band to the... | 03/07/2000 |
| 6006360 | Protective hood for firefighters A head portion has an open front portion through which a face mask extends. The front portion is elastically biased into engagement with the mask to provide a good seal between the front portion and the face mask. A skirt extends from the lower part of th... | 12/28/1999 |
| 5990793 | Firefighters integrated communication and safety system An integrated safety and communication system for attachment to a standard type of firefighter's face mask includes a command post tracking and accountability monitor, and a mask attachment having means for transmitting the amplified voice of the wearer t... | 11/23/1999 |
| 5940891 | Goggle mounting system with removable eyelet A goggle mounting system for retaining a pair of goggles to the lower edge of a helmet or the like. The goggle retention system comprises a plurality of clips, each clip having a base mounted to a helmet, and a removable eyelet shaped to receive and retai... | 08/24/1999 |
