Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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 |
| 5315733 | Paint brush bristle clamp This invention pertains to a paint brush bristle clamp which can be removed after paint brush use, and facilitates cleaning of paint from the brush. A removable paint brush bristle clamp comprising: (a) a pair of opposed end walls; (b) a first side wall l... | 05/31/1994 |
| 5314527 | Mercury contaminated mud treatment This invention relates to a hydrometallurgical process for the treatment of mercury contaminated muds. More particularly, this process pertains to a hydrometallurgical process for the treatment of Environmental Protection Agency designated K106 muds disch... | 05/24/1994 |
| 5287584 | Toothbrush This invention relates to a novel finger toothbrush. More particularly, this invention pertains to a unique toothbrush which can fit on a finger of a user for brushing the teeth of the user or the teeth of another human being or animal. The invention comp... | 02/22/1994 |
| 5285083 | Inverted heterojunction bipolar device having undoped amorphous silicon layer A heterojunction bipolar transistor having base, emitter and undoped amorphous silicon collector regions formed on a crystalline silicon substrate. A p-n junction is formed in the substrate, beneath the collector region. A single such transistor may be co... | 02/08/1994 |
| 5283988 | Manual vacuum sander Current manual vacuum sanders do not adequately capture dust from around the edges of the sander. The present invention provides a back-up pad for a vacuum hand sanding device for sanding a working surface, where the device is of the type comprising a tai... | 02/08/1994 |
| 5280980 | Self-aligning twin container spreader An alignment mechanism for aligning a twin container spreader for simultaneous engagement with two containers positioned beneath the spreader. A frame is connected between the spreader's main beams to position two cross beams transversely across the main ... | 01/25/1994 |
| 5277512 | Joint for detachable connection of structural members A simple joint is disclosed for detachably connecting structural members. The connection is made with a resilient T-shaped tongue on a first member which can be engaged in a T-shaped slot on a second member. The tongue is engaged in the slot by rotating i... | 01/11/1994 |
| 5278353 | Automatic splice An improved cable splice of the type in which first and second ends of a casing taper conically toward the casing's longitudinal axis. First and second cable-receiving apertures are provided in the respective first and second ends of the casing. A first s... | 01/11/1994 |
| 5274432 | Tow vehicle alignment method and apparatus A method and apparatus for monitoring towed vehicles, such as trailers and the like, which are not visible in a rear view mirror of a tow vehicle. The method consists of, firstly, attaching markers to a towed vehicle such that the markers are visible on e... | 12/28/1993 |
| 5271644 | Security device comprising optically variable data and method for making the same A security-printing device comprising: (i) a substrate; (ii) a toner image adhered to said substrate; and, (iii) a layer of an optically variable material adhered solely to said toner image, whereby said optically variable material is selected to provide ... | 12/21/1993 |
| 5267587 | Utilities shutoff system The present invention provides an automatic monitoring and shutoff system for utilities which allows the user to set the system to permit certain uses of gas or water without triggering the shutoff, depending on whether the user is home or away, and is ab... | 12/07/1993 |
| 5265681 | Landscape levelling and raking apparatus A landscape leveling and raking apparatus has a frame, a handle protruding upwardly from the frame, a rake pivotally coupled to the frame to protrude downwardly and rearwardly therefrom, a screed fixed to the frame forwardly of the rake, a plurality of ti... | 11/30/1993 |
| 5265504 | Cartridge type screwdriver A multiple bit screwdriver employs a breach loading magazine to store a plurality of bits. The magazine is enclosed inside the hollow handle of the screwdriver and is extracted along the axis of the screwdriver when the end-cap of the handle is pulled. Th... | 11/30/1993 |
| 5263691 | Helicopter load vibration damper A helicopter load vibration damper having an outer cylinder with closed upper and lower ends. A piston is slidably mounted within the cylinder to define a chamber between the piston and the cylinder's lower end. The chamber is pressurized with an inert ga... | 11/23/1993 |
| 5263796 | Self-closing clamping apparatus A clamping apparatus for lockingly engaging and supporting a length of conduit, such as a pipeline span extending above an irregular seabed. The clamping apparatus includes a saddle shaped to overlie the conduit span to be supported and a frame straddling... | 11/23/1993 |
| 5261584 | Collapsible mud pan bracket A belt-mountable bracket for removably supporting a mud pan for use by construction workers during drywall installation. The bracket is adjustable between a deployed position extending outwardly from the worker's waist belt and a collapsed position restin... | 11/16/1993 |
| 5253036 | Near-field photometric method and apparatus A near-field goniophotometric apparatus and method for measuring the three-dimensional near-field distribution of luminous flux surrounding a light source. The apparatus incorporates an imaging photometer mounted on a rotatable arm. The photometer is desi... | 10/12/1993 |
| 5251623 | Hair regrowth method and apparatus Hair regrowth is promoted by positioning one or more electrodes closely proximate a subject's scalp. A low voltage positive or negative polarity signal having a selected frequency of either 7.86 or 15.72 hertz is applied to the electrode(s) for about twel... | 10/12/1993 |
| 5251935 | Combination binder/book rest A combination binder/book rest having front and rear covers (10, 12) pivotally connected along opposed edges of a spine (14). A support element (52) is pivotally connected to the front cover to support the front cover at a selected angle of inclination. A... | 10/12/1993 |
| 5235724 | Roller-hinge assembly for retractable overhead door This invention pertains to a retractable roller-hinge assembly for use with retractable overhead doors. More particularly, this invention relates to a novel roller-hinge assembly which when installed on conventional retractable overhead doors, such as gar... | 08/17/1993 |
| 5229374 | Method for treatment of lower gastrointestinal tract disorders This invention relates to the novel use of N-acetyl glucosamine for the treatment of gastrointestinal tract disorders by restoring and maintaining the integrity and normal function of the gastrointestinal tract. A method of treating gastrointestinal mucou... | 07/20/1993 |
| 5223678 | Replacement elevator call button unit A replacement elevator call button unit which may be electrically connected to an elevator controller having first and second power supply lines and having an elevator call registering terminal. The replacement unit includes an electronic switch (preferab... | 06/29/1993 |
| 5222563 | Mulching apparatus Mulching apparatus having a tapered tooth structure which prepares a planting spot such that, when the apparatus is withdrawn from the ground, mulched residue remains within or adjacent to the planting spot. The apparatus may be removably attached to the ... | 06/29/1993 |
| 5219845 | Phosphonates as anti-inflammation agents The invention pertains to the synthesis and use as therapeutic agents of a group of substances with a glycerol backbone or aliphatic chain structure linked to a phosphorus atom and a polar head group. Depending on the polar head group, the substance has a... | 06/15/1993 |
| 5219473 | Adjustable concrete formwork system This invention pertains to a novel adjustable formwork system which can be used in the manufacture of a wide range of structurally efficient cross-sectional shaped concrete beams, columns and structures. A cast-in-place concrete beam form comprising: (a) ... | 06/15/1993 |
| 5217962 | Method and composition for treating psoriasis This invention pertains to the novel use of N-acetyl glucosamine as a cytoprotective agent for persons afflicted with psoriasis by restoring integrity and normal function of skin. A method of treating psoriasis in a human being comprising feeding the huma... | 06/08/1993 |
| 5216793 | Hose fitting removal apparatus This invention relates to a novel apparatus which is useful for readily removing the fitting from a hose, particularly a hydraulic hose. An expansion guide for fitting on the end of a hose to enable a fitting at the opposite end of the hose to be loosened... | 06/08/1993 |
| 5215402 | Asphalt imprinting method and apparatus A method and apparatus for imprinting a predefined pattern in a freshly rolled asphalt surface to simulate the appearance of bricks, cobblestones, interlocking paving stones or the like. A pliable, grid-like template is progressively compressed into the a... | 06/01/1993 |
| 5199236 | Insulated glass/flush outer surface arrangement A pre-fabricated window assembly for flush-appearance glazing comprises a conventional single-pane or dual-pane assembly. In the latter case, the spacer elements are inset from the peripheral edges of the window assembly. One of two types of extrusion is ... | 04/06/1993 |
| 5192753 | Anti-rheumatoid arthritic drugs in the treatment of dementia This invention pertains to the novel use of anti-rheumatoid arthritic drugs in the treatment of dementia. A method of treating dementia in human beings which comprises administering to the human being a therapeutic amount of a non-steroidal anti-inflammat... | 03/09/1993 |
| 5192099 | Roller skate starting and stopping aids A roller skate brake in which the wheel support which rotatably couples the skate's wheels to the boot is slotted, allowing the support to flex when the skater bears down with the heel. Such flexing compresses the support, forcing a brake shoe against the... | 03/09/1993 |
| 5191935 | Universal table-top jig for table-mounted power tools A table-top jig for a table-mounted power tool comprises an apertured platform, the aperture extending longitudinally along the platform to allow free passage of the power tool saw through platform as the platform is slid over the table-top. The table-top... | 03/09/1993 |
| 5192750 | Method and composition for treatment of food allergy This invention pertains to the novel use of N-acetyl glucosamine to minimize or eliminate food intolerance or food allergy symptoms in human beings afflicted with these symptoms by maintaining the integrity and normal function of the gastrointestinal trac... | 03/09/1993 |
| 5189746 | Emergency patient evacuation system The invention relates to an apparatus for evacuating persons of decreased mobility from a building, such as a hospital, in the event of emergency. It provides a device for moving a supine person by lifting or sliding. The device comprises an elongated, pl... | 03/02/1993 |
| 5180167 | Golf swing practice net A golf swing practice device has a netting supported from a frame to provide a wedge-shaped pocket. The length of the sides of the wedge are adjustable to permit the open end of the wedge to be rotated by rotating the portion of the frame supporting the o... | 01/19/1993 |
| 5176282 | Dinner plate A dinner plate for serving, consuming and storing greasy foods, such as bacon, sausages or steaks. The plate has a central surface and a food-supporting plane raised above a portion of the central surface and having a plurality of channels for receiving g... | 01/05/1993 |
| 5175190 | Medium chain fatty acids of C8-10 for the treatment of skin lesions This invention pertains to the use of medium chain fatty acids (C8-10) in the treatment of skin lesions. More particularly, the invention relates to a preparation containing medium chain fatty acids (C8-10) which has beneficial effects when applied topica... | 12/29/1992 |
| 5172577 | Timed door locking device A door lock having a first member rigidly affixed adjacent a door and having a second member slidably coupled to the first member for slidably advancing the second member in a first direction into a locked position overlying the door. A latch member is ca... | 12/22/1992 |
| 5164033 | Electro-chemical etch device An electro-chemical etch device for selectively removing material from an electrically conductive surface. At least two electrodes are each at least partially immersed in an electrically conductive fluid and aligned across the surface, proximate to corres... | 11/17/1992 |
| 5163751 | Trouble light positioner A trouble light positioner having first and second hooks, a swivel for swivelably mounting the first hook atop a trouble light, a mechanism for retaining the swivel in a selected position, and a mechanism for slidably attaching the second hook to the trou... | 11/17/1992 |
